ZH
RU
ES

Sound Absorption Coefficient Measurement Method

Sound Absorption Coefficient Measurement Method, Total:498 items.

In the international standard classification, Sound Absorption Coefficient Measurement Method involves: Acoustics and acoustic measurements, Protection of and in buildings, Construction materials, Audio, video and audiovisual engineering, Semiconductor devices, Non-destructive testing, Television and radio broadcasting, Electronic tubes, Floor treatment appliances, Protective equipment, Glass, Vocabularies, Fibre optic communications, Optics and optical measurements, Protection against fire, On-board equipment and instruments, Radiocommunications, Components for electrical equipment, Shipbuilding and marine structures in general, Fluid power systems, Road vehicle systems, Mining and quarrying, Radiation measurements, Road engineering, Metrology and measurement in general, Electricity. Magnetism. Electrical and magnetic measurements, Telecommunication terminal equipment, Testing of metals, Magnetic materials, Valves, Semiconducting materials, Ceramics, Photography, Internal combustion engines for road vehicles, Corrosion of metals, Occupational safety. Industrial hygiene, Ventilators. Fans. Air-conditioners, Telecommunication systems, Resistors, Optoelectronics. Laser equipment, Sports equipment and facilities, Non-ferrous metals, Air quality, Measurement of fluid flow, Medical equipment, Raw materials for rubber and plastics, Noise with respect to human beings, Surface treatment and coating, Gas and steam turbines. Steam engines, Cinematography, Linear and angular measurements, Wood, sawlogs and sawn timber, Earthworks. Excavations. Foundation construction. Underground works, Tyres, Geology. Meteorology. Hydrology, Wastes, Water quality, Hydraulic construction, Paper and board, Food products in general, Buildings, Plastics, Special measuring equipment for use in telecommunications, Elements of buildings, Power stations in general, Solar energy engineering, Information technology (IT) in general, Power transmission and distribution networks, Components and accessories for telecommunications equipment, Electrical and electronic testing, Nuclear energy engineering, Soil quality. Pedology, Welding, brazing and soldering, Interface and interconnection equipment, Microprocessor systems, Integrated Services Digital Network (ISDN).

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Sound Absorption Coefficient Measurement Method

GB/T 14369-2011 Acoustics.Measurement methods of insertion loss，echo reduction and sound absorption coefficient for underwater acoustical material samples
GBJ 88-1985 Measurement of sound-absorbing coefficient and sound-resistance rate by method of standing wave tubes
GBJ 47-1983 Acoustics-sound-abserbin coefficient measurement by method of reverbration room (Trial)
GB/T 32523-2016 Acoustics.Measurement of sound pressure reflection coefficient, sound pressure transmission coefficient and absorption coefficient for underwater acoustical material sample.Travelling wave tube method
GB/T 18696.2-2002 Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes Part 2: Transfer function method
GB/T 18696.1-2004 Acoustics-Determination of sound absorption coefficient and impedance in impedance tubes-Part 1:Method using standing wave ratio
GB/T 9388-1988 Methods of measurement for wireless microphone systems
GB/T 22122-2008 Methods of measurement of surround audio for digital TV
GB/T 7962.9-1987 Colourless optical glass test methods--Coefficient of optical absorption
GB/T 12060.4-2012 Sound system equipment.Part 4:Methods of measurement for microphones
GB 5266-2006 Acoustics—Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials—Pulse tube method
GB/T 5266-2006 Acoustics.Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials. Pulse tube method
GB/T 12060.3-2011 Sound system equipment.Part 3:Methods of measurement on audio amplifiers
GB/T 18022-2000 Acoustics-Methods for measuring the longitudinal sound speed and attenuation coefficient of rubbers and plastics in the frequency range 1MHz to 10MHz
GB/T 8382.1-1987 Technical parameters and measuring mothods for FM broadcasting transposer--Monophonic and stereophonic
GB/T 4312.1-1984 Technical parameters and measuring methods for FM broadcasting transmitters--Monophonic and stereophonic
GB/T 25439-2010/ISO/ASTM 51650:2005 Standard Method for Measuring Absorbed Dose Using a Cellulose Triacetate Dosimetry System
GB/T 25439-2010 Standard method for using cellulose triacetate dosimetry system to measure absorbed dose
GB/T 32561.4-2022 Measuring methods for chalcogenide infrared optical glass—Part 4: Coefficient of optical absorption
GB/T 21228.2-2023 Acoustic Surface Sound Scattering Properties Part 2: Free-field Directional Diffusion Coefficient Measurements
GB/T 3651-2008 Measuring method for thermal conductivity of metal at high temperature
GB/T 351-1995 Metallic materials--Resistivity measurement method
GB/T 3651-1983 Measuring method for thermal conductivity of metal at high temperature
GB/T 7962.9-2010 Test methods of colourless optical glass.Part 9:Ceofficient of optical absorption
GB/T 8617.1-1988 Technical parameters and measuring methods for FM broadcasting coder--Stereophonic
GB/T 7313-1987 Minimum performance requirements and methods of measurement for high fidelity loudspeaker systems
GB 7313-1987 Minimum performance requirements and measurement methods for hi-fi loudspeaker systems
GB/T 11297.2-1989 Test method for side direction scattering coefficient of laser rods
GB/T 27661-2011 Test methods for single-pass loss coefficient of laser robs
GB/T 32981-2016 Method for determination of equivalent thermal conductivity of wall materials
GB/T 12060.7-2013 Sound system equipment.Part 7:Methods of measurement on headphones and earphones
GB/T 24270-2009 Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials
GB/T 15053-1994 Standard method for using radiochromic film and polymthymethacrylate dosimetry systems to measure absorbed dose
GB/T 8382.2-1987 Technical parameters and measuring methods for FM stereophonic broadcasting transposer with supplementary channel
GB/T 4312.2-1984 Technical parameters and measuring methods for FM stereophonic broadcasting transmitters with supplementary channel
GB/T 15053-2008 Standard method for using radiochromic film and polymethylmethacrylate dosimetry system to measure absorbed dose
GB/T 4958.3-1988 Methods of measurement for equipment used in terrestrial radio-relay systems--Part 3: Simulated systems--Section Six Measurements for sound-programme transmission

American Society for Testing and Materials (ASTM), Sound Absorption Coefficient Measurement Method

ASTM C423-02a Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-17 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-22 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-07a Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-07 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-99a Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-01 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-00 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-06 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-02 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-02ae1 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-08 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-08a Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-09 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-09a Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM C423-23 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
ASTM E1503-06 Standard Test Method for Conducting Outdoor Sound Measurements Using a Digital Statistical Sound Analysis System
ASTM E1503-97 Standard Test Method for Conducting Outdoor Sound Measurements Using a Digital Statistical Analysis System
ASTM F1334-12 Standard Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners
ASTM E1050-98 Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones, and a Digital Frequency Analysis System
ASTM E1050-19 Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
ASTM E1050-08 Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
ASTM E1050-07 Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
ASTM E1503-05 Standard Test Method for Conducting Outdoor Sound Measurements Using a Digital Statistical Analysis System
ASTM C1794-19 Standard Test Methods for Determination of the Water Absorption Coefficient by Partial Immersion
ASTM E1503-12 Standard Test Method for Conducting Outdoor Sound Measurements Using a Digital Statistical Sound Analysis System
ASTM E1503-97(2004) Standard Test Method for Conducting Outdoor Sound Measurements Using a Digital Statistical Analysis System
ASTM E1503-14 Standard Test Method for Conducting Outdoor Sound Measurements Using a Digital Statistical Sound Analysis System
ASTM C1794-15 Standard Test Methods for Determination of the Water Absorption Coefficient by Partial Immersion
ASTM E1408-91(2000) Standard Test Method for Laboratory Measurement of the Sound Transmission Loss of Door Panels and Door Systems
ASTM F1887-98 Standard Test Method for Measuring the Coefficient of Restitution (COR) of Baseballs and Softballs
ASTM F1887-14(2019) Standard Test Method for Measuring the Coefficient of Restitution (COR) of Baseballs and Softballs
ASTM F1887-14(2019)e1 Standard Test Method for Measuring the Coefficient of Restitution (COR) of Baseballs and Softballs
ASTM C1332-96 Standard Test Method for Measurement of Ultrasonic Attenuation Coefficients of Advanced Ceramics by Pulse-Echo Contact Technique
ASTM C1332-01(2013) Standard Test Method for Measurement of Ultrasonic Attenuation Coefficients of Advanced Ceramics by Pulse-Echo Contact Technique
ASTM D5389-93(1997) Standard Test Method for Open-Channel Flow Measurement by Acoustic Velocity Meter Systems
ASTM D5389-93(2019) Standard Test Method for Open-Channel Flow Measurement by Acoustic Velocity Meter Systems
ASTM D538-85(1997) Standard test method for open channel flow measurement by sonic anemometer systems
ASTM E1050-10 Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
ASTM F820-06 Test Method for Measuring Air Performance Characteristics of Central Vacuum Cleaning Systems
ASTM D5389-93(2007) Standard Test Method for Open-Channel Flow Measurement by Acoustic Velocity Meter Systems
ASTM D5389-93(2002) Standard Test Method for Open-Channel Flow Measurement by Acoustic Velocity Meter Systems
ASTM D5389-93(2013) Standard Test Method for Open-Channel Flow Measurement by Acoustic Velocity Meter Systems
ASTM C1332-01 Standard Test Method for Measurement of Ultrasonic Attenuation Coefficients of Advanced Ceramics by Pulse-Echo Contact Technique
ASTM C1332-01(2007) Standard Test Method for Measurement of Ultrasonic Attenuation Coefficients of Advanced Ceramics by Pulse-Echo Contact Technique
ASTM E1503-22 Standard Test Method for Conducting Outdoor Sound Measurements Using a Statistical Sound Analysis System
ASTM D427-04 Test Method for Shrinkage Factors of Soils by the Mercury Method
ASTM E1050-12 Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
ASTM E1050-98(2006) Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
ASTM F1977-04(2017) Standard Test Method for Determining Initial, Fractional, Filtration Efficiency of a Vacuum Cleaner System
ASTM F820-11 Standard Test Method for Measuring Air Performance Characteristics of Central Vacuum Cleaning Systems
ASTM F2117-10(2017) Standard Test Method for Vertical Rebound Characteristics of Sports Surface/Ball Systems; Acoustical Measurement
ASTM C770-98(2003) Standard Test Method for Measurement of Glass Stress8212;Optical Coefficient
ASTM C770-98 Standard Test Method for Measurement of Glass Stress--Optical Coefficient
ASTM C770-98(2013) Standard Test Method for Measurement of Glass Stressmdash;Optical Coefficient
ASTM C770-16 Standard Test Method for Measurement of Glass Stress—Optical Coefficient
ASTM D3349-17 Standard Test Method for Absorption Coefficient of Ethylene Polymer Material Pigmented with Carbon Black
ASTM C1199-14 Standard Test Method for Measuring the Steady-State Thermal Transmittance of Fenestration Systems Using Hot Box Methods
ASTM F2544-06e1 Standard Test Method for Determining A-Weighted Sound Power Level of Central Vacuum Power Units
ASTM F2544-06 Standard Test Method for Determining A-Weighted Sound Power Level of Central Vacuum Power Units
ASTM F1887-02 Standard Test Method for Measuring the Coefficient of Restitution (COR) of Baseballs and Softballs
ASTM C770-98(2008) Standard Test Method for Measurement of Glass Stress8212;Optical Coefficient
ASTM F1887-09 Standard Test Method for Measuring the Coefficient of Restitution (COR) of Baseballs and Softballs
ASTM C770-16(2020) Standard Test Method for Measurement of Glass Stress—Optical Coefficient
ASTM C1199-12 Standard Test Method for Measuring the Steady-State Thermal Transmittance of Fenestration Systems Using Hot Box Methods
ASTM E1195-01(2008) Standard Test Method for Determining a Sorption Constant (K_oc) for an Organic Chemical in Soil and Sediments
ASTM E1477-98a(2022) Standard Test Method for Luminous Reflectance Factor of Acoustical Materials by Use of Integrating-Sphere Reflectometers
ASTM E1875-13 Standard Test Method for Dynamic Young''s Modulus, Shear Modulus, and Poisson''s Ratio by Sonic Resonance

IN-BIS, Sound Absorption Coefficient Measurement Method

Group Standards of the People's Republic of China, Sound Absorption Coefficient Measurement Method

T/JAMIA 003-2023 Laboratory measurement of sound absorption coefficient: small reverberation chamber method
T/SUCA 037-2022 Methods of Measurement for Main Characteristics of Electronic Sound Field Enhancement System
T/SUCA 029-2022 Methods of Measurement for Main Characteristics of Directivity-changeable Loudspeaker Systems
T/CMA HG019-2020 Method for Measuring Friction Coefficient of Tire Test Pavement--Pendulum Measuring Method
T/DZJN 44-2021 Data Center IT System Dynamic Energy Efficiency Requirements and Measurement Methods

AT-ON, Sound Absorption Coefficient Measurement Method

ONORM S 5104-1986 Tests in building acoustics; measurement of the sound absorption coefficient in a reverberation room

YU-JUS, Sound Absorption Coefficient Measurement Method

JUS U.J6.059-1982 Measurement of absorption coefficient in a reverberatian roum

SE-SIS, Sound Absorption Coefficient Measurement Method

SIS SS 02 52 61-1986 Building acoustics - Acoustical screens -Measurement of sound absorption - Test methods

Professional Standard - Aviation, Sound Absorption Coefficient Measurement Method

HB 7126-1994 Measurement of Sound Absorption Coefficient of Aeronautical Materials and Components by Reverberation Chamber Method

Professional Standard - Machinery, Sound Absorption Coefficient Measurement Method

JB/T 9495.6-1999 Measuring method for coefficient of optical absorption of optical crystals
JB/T 8986-1999 Mehtods of measurement of temperature coefficient of permanent magnet materials
JB/T 8248.4-1999 Method for measuring the veiling glare index of photographic lenses
JB/T 5668-2014 Measuring method of photographic filter factor
JB/T 5668-1991 Measurement method of filter factor of photography filter

CZ-CSN, Sound Absorption Coefficient Measurement Method

CSN 73 0501-1988 Acoustics Measurement of the soundabsorption coefficient and the acoustic im- pedance by the tube method
CSN 35 8757 Cast.3-1984 Transistore. Method of noise figu?e measuring
CSN 36 9065-1985 Computers and data processing systems.Specifications and testing methods for the sound power level of noise.
CSN 36 9066-1987 Computers and data processing systems. Admissible level of noise at operators workstation. Methods of measurement
CSN 35 8767 Cast.1-1984 Semiconductor mixing diodes for ultrahigh frequency. Methods of measuring noise ratio and standardized noise figu?e
CSN 36 1005 Cast.17-1984 Electirical appliances for household and similar use. Critical walues, methods of measurement and evaluation of noise. Vacuum cleaners.
CSN 35 8571-1982 Television picture tubes. Methodes of determination of gas eontent ooeffieient
CSN 01 1612-1987 Acoustics. Determination of sound po-wer levels of noise sources. Survey me-thod using a reference sound source.

RU-GOST R, Sound Absorption Coefficient Measurement Method

GOST R 53376-2009 Sound absorbing materials. Sound absorption measurement method in reverberation room
GOST 16122-1987 Loudspeakers. Methods of measuring electroacoustic parameters
GOST 20398.2-1974 Field-effect transistors. Noise figure measurement technique
GOST R 51107-1997 Stereophonic broadcasting systems. Main parameters. Methods of measurements
GOST 16123-1988 Microphones. Methods of measuring electroacoustic parameters
GOST 18604.20-1978 Transistors bipolar. Methods for measuring noise figure at low frequencies
GOST 11515-1991 Sound broadcasting channels. Basic quality parameters. Methods for measuring
GOST 18604.11-1988 Transistors bipolar. Method of measuring noise figure at high and ultra-high frequencies
GOST 19656.6-1974 Semiconductor UHF mixer diodes. Measurement methods of standard overall noise figure
GOST 28276-1989 Surface acoustic wave devices. Types, main parameters and methods of measurements
GOST R IEC 61828-2012 State system for ensuring the uniformity of measurements. Ultrasonics focusing transducers. General requirements to measurement methods of ultrasound radiation parameters
GOST R 59313-2021 Space systems. Measurement methods of solar radiation absorption coefficient and heat radiation coefficient of thermal control coatings and materials
GOST R 8.897-2015 State system for ensuring the uniformity of measurements. Ultrasonics. Methods of conditioning of water for ultrasonic measurements
GOST 23850-1985 Domestic radioelectonic equipment. Methods of electroacoustic parameters measurement
GOST 23667-1985 Non-destructive testing. Ultrasonic flaw detectors. Methods of measuring the main parameters
GOST 21107.14-1980 Gas discharge devices. Methods of the measurement of electrical parameters of tacitrons
GOST 8.334-1978 State system for ensuring the uniformity of measurements. Noise figure meters of UHF transistors and receivers. Methods and means of verification
GOST 8.653.3-2016 State system for ensuring the uniformity of measurements. Methods for zeta-potential determination. Part 3. Electroacoustic and acoustic methods
GOST R 50861-1996 Teletext system. Basic parameters. Measurement methods
GOST R 50712-1994 Sound broadcasting equipment room and connecting line. Technical data. Methods of measurement
GOST 12.2.028-1984 Occupational safety standards system. Ventilators for general purposes. Methods for determination of noise characteristics
GOST R 52742-2007 Sound broadcasting channels and sections. Typical structures. Basic quality parameters. Methods for measuring
GOST R 50725-1994 Sound broadcasting picture channels connecting line. Basic parameters. Methods of measurements
GOST 18604.7-1974 Transistors. Method for measuring current transfer coefficient
GOST 21342.15-1978 Resistors. Test method for temperature dependence of resistance
GOST 21815.2-1986 Image intensifier and image converter tubes. Method of measuring the conversion factor
GOST 8.383-1980 State system for ensuring the uniformity of measurements. State tests of means for measurements. General statements
GOST R 8.733-2011 State system for ensuring the uniformity of measurements. System for measuring of quantity and parameters of free oil gas. General metrological and technical requirements
GOST 12.1.050-1986 Occupational safety standards system. Methods of noise measurement at work-places
GOST 7845-1992 Television broadcasting system. Basic parameters. Measurement methods
GOST 19438.6-1975 Low-power electronic tubes and valves. Methods of measurement of ampleication factor
GOST 21342.10-1976 Varistors. Method of measuring non linearity coefficient
GOST 21815.7-1986 Image intensifier and image converter tubes. Method of measuring the contrast of the image
GOST R 8.862-2013 State system for ensuring the uniformity of measurements. Ultrasonic thickness gauges. Method for verification
GOST 21523.3-1987 Modified wood. Method for determination of thermal conductivity, heat conductivity and heat capacity
GOST R 53534-2009 Digital hifh- definition television. Measuring signals. Methods of measuremtnt. General requirements
GOST 18986.18-1973 Variable capacitance diodes. Method of measuring temperature coefficient of capacitance
GOST 21342.8-1976 Thermal resistors. Method of measuring resistance temperature coefficient
GOST 21815.3-1986 Image intensifier and image converter tubes. Method of measuring the luminance gain
GOST 23849-1987 Domestic radioelectronic equipment. Methods of measuring electric parameters of sound frequency signal amplifiers
GOST R 51657.5-2002 Water flow measurement in hydromelioration and water sypply systems. Manner of measurement of water discharge using the ultrasonic (acoustic) velocity meters. General technical requirements
GOST 11948-1978 Devices for measurement of wow, flatter, parasitic amplitude modulation and drift factors for sound recording and reproduction apparatus. Technical requirements and test methods
GOST R 51050-1997 Deflection yoke systems. Methods of measurement and control of parameters
GOST 18604.23-1980 Bipolar transistors. Method for measuring combination frequencies
GOST 18588-1973 Kinescopes for color and black-and-white television. Method of measuring coefficient of cathode quality
GOST R 54945-2012 Buildings and structures. Methods for measuring of illuminance pulsation factor
GOST 21185-1975 Quasypeak level meters of the sound frequency electrical signals. Types, basic parameters and methods of testing
GOST R 8.803-2012 State system for ensuring the uniformity of measurements. State verification schedule for means measuring absorbed dose rate and dose equivalent rate of neutron radiation
GOST R 8.732-2011 State system for ensuring the uniformity of measurements. State verification schedule for means measuring inductance
GOST R IEC 61391-1-2011 Medical ultrasonic diagnostic equipment. Part 1. General requirements for calibration methods for distance measurement systems
GOST 12.4.288-2015 Occupational safety standards system. Respiratory protective devices. Method for determinsation of carbon dioxide and oxygen content in the inhaled gas breathing mixture
GOST 21342.12-1976 Varistors. Method of measuring voltage and current temperature
GOST R 8.604-2004 State system for ensuring the uniformity of measurements. Medical diagnostic ultrasonic equipment. Portable foetal heartbeat detectors. General requirements for the declaration of parameters and measurement methods
GOST R 8.627-2007 State system for ensuring the uniformity of measurements. Measurements of coefficients of regular and diffuse transmittance of ultraviolet radiation. Methods for measurements
GOST 26329-1984 Computers and data processing systems. Tolerable noise levels of technical facilities and methods of their determination
GOST 28871-1990 Line transmission path equipment of digital optical-fibre transmission systems. Methods of measuring basic parameters

British Standards Institution (BSI), Sound Absorption Coefficient Measurement Method

BS EN ISO 10534-2:2001 Acoustics. Determination of sound absorption coefficient and impedance in impedance tubes - Transfer-function method
BS EN ISO 10534-2:1999 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Transfer-function method
BS EN ISO 10534-1:2001 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Method using standing wave ratio
BS ISO 10534-2:1999 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Transfer-function method
BS ISO 16900-14:2020 Respiratory protective devices. Methods of test and test equipment - Measurement of sound pressure level
BS ISO 16900-14:2015 Respiratory protective devices. Methods of test and test equipment. Measurement of sound level
BS EN ISO 10534-2:2023 Acoustics. Determination of acoustic properties in impedance tubes - Two-microphone technique for normal sound absorption coefficient and normal surface impedance
BS EN 62333-2:2006 Noise suppression sheet for digital devices and equipment - Measuring methods
BS EN 62333-2:2006+A1:2015 Noise suppression sheet for digital devices and equipment - Measuring methods
18/30366734 DC BS ISO 16900-14. Respiratory protective devices. Methods of test and test equipment. Part 14. Measurement of sound level
BS DD ISO/TS 7849-1:2010 Acoustics. Determination of airborne sound power levels emitted by machinery using vibration measurement. Survey method using a fixed radiation factor
BS DD ISO/TS 7849-1:2009 Acoustics - Determination of airborne sound power levels emitted by machinery using vibration measurement - Survey method using a fixed radiation factor
BS EN 60107-5:1999 Methods of measurement on receivers for television broadcast transmission. Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system
BS EN ISO 140-16:2006 Acoustics - Measurement of sound insulation in buildings and of building elements - Laboratory measurement of the sound reduction index improvement by additional lining
PD IEC/TR 62285:2005 Application guide for non-linear coefficient measuring methods
BS EN 60835-3-4:1993 Methods of measurement for equipment used in digital microwave radio transmission systems - Measurements on satellite earth stations - Low noise amplifier
BS 5293-10:2001 Sampling and testing carbon black for use in the rubber industry - Method for determination of iodine absorption number
BS PD IEC TR 63307:2020 Measurement methods of the complex relative permeability and permittivity of noise suppression sheet
PD IEC TR 63307:2020 Measurement methods of the complex relative permeability and permittivity of noise suppression sheet
PD CEN ISO/TS 7849-2:2022 Acoustics. Determination of airborne sound power levels emitted by machinery using vibration measurement. Engineering method including determination of the adequate radiation factor
BS EN 60835-3-4:1997 Methods of measurement for equipment used in digital microwave radio transmission systems. Measurements on satellite earth stations. Low noise amplifier
BS ISO 22234:2006 Cinematography - Relative and absolute sound pressure levels for motion-picture multi-channel sound systems - Measurement methods and levels applicable to analog photographic film audio, digital photographic film audio and D-cinema audio
BS EN 60835-2-1:1992 Methods of measurement for equipment used in digital microwave radio transmission systems - Measurements on terrestrial radio-relay systems - General
BS DD ISO/TS 7849-2:2010 Acoustics. Determination of airborne sound power levels emitted by machinery using vibration measurement. Engineering method including determination of the adequate radiation factor
BS DD ISO/TS 7849-2:2009 Acoustics - Determination of airborne sound power levels emitted by machinery using vibration measurement - Engineering method including determination of the adequate radiation factor
BS 7941-1:1999 Methods for measuring the skid resistance of pavement surfaces - Side-way force coefficient routine investigation machine
BS EN 61580-9:1997 Methods of measurement for waveguides. Reflection coefficient at rectangular waveguide interfaces
BS EN 61329:1996 Sound system equipment. Methods for measuring and specifying the performance of sounders (electroacoustic transducers for tone production)
BS 5944-2:1992 Measurement of airborne noise from hydraulic fluid power systems and components. Method of test for motors
BS 5944-1:1992 Measurement of airborne noise from hydraulic fluid power systems and components. Method of test for pumps
BS EN 50332-3:2017 Sound system equipment: headphones and earphones associated with personal music players. Maximum sound pressure level measurement methodology. Measurement method for sound dose management

International Organization for Standardization (ISO), Sound Absorption Coefficient Measurement Method

ISO 10534-2:1998 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer-function method
ISO 10534-1:1996 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1: Method using standing wave ratio
ISO/DIS 10534-2 Acoustics — Determination of acoustic properties in impedance tubes — Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance
ISO 10534-2:2023 Acoustics — Determination of acoustic properties in impedance tubes — Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance
ISO 14934-3:2006 Fire tests Calibration and use of heat flux meters Part 3: Secondary calibration method (Second Edition)
ISO/FDIS 10534-2:2023 Acoustics — Determination of acoustic properties in impedance tubes — Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance
ISO 10534-2:2011 Acoustics — Determination of acoustic properties in impedance tubes — Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance
ISO 16900-14:2015 Respiratory protective devices - Methods of test and test equipment - Part 14: Measurement of sound level
ISO 16900-14:2020 Respiratory protective devices — Methods of test and test equipment — Part 14: Measurement of sound pressure level
ISO/TS 7849-1:2009 Acoustics - Determination of airborne sound power levels emitted by machinery using vibration measurement - Part 1: Survey method using a fixed radiation factor
ISO 22234:2005 Cinematography - Relative and absolute sound pressure levels for motion-picture multi-channel sound systems - Measurement methods and levels applicable to analog photographic film audio, digital photographic film audio and D-cinema audio
ISO/DIS 4678 Ships and marine technology — Noise measurement method for HVAC system in accommodation spaces
ISO/FDIS 4678:2023 Ships and marine technology — Noise measurement method for HVAC system in accommodation spaces
ISO 22234:2005/CD Amd 1 Cinematography — Relative and absolute sound pressure levels for motion-picture multi-channel sound systems — Measurement methods and levels applicable to analog photographic film audio, digital photographic film audio and D-cinema audio — Amendment 1
ISO/TS 7849-2:2009 Acoustics - Determination of airborne sound power levels emitted by machinery using vibration measurement - Part 2: Engineering method including determination of the adequate radiation factor

European Committee for Standardization (CEN), Sound Absorption Coefficient Measurement Method

EN ISO 10534-2:2001 Acoustics - Determination of Sound Absorption Coefficient and Impedance in Impedances Tubes - Part 2: Transfer-Function Method
EN ISO 10534-1:2001 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 1: Method using standing wave ratio (ISO 10534-1:1996)
prEN ISO 10534-2 Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance (ISO/DIS 10534-2:2022)
EN 1925:1999 Natural stone test methods - Determination of water absorption coefficient by capillarity
prEN 61079-4-1992 Methods of measurement on receivers for broadcasting satellite transmissions in the 12 GHz band; part 4: electrical measurements on sound/data decoder units for the digital subcarrier/NTSC system
HD 95.2 S2-1979 Aerials for the reception of sound and television broadcasting in the frequency range 30 MHz to 1 GHz; part 2: methods of measurement of electrical performance parameters
PD CEN/TR 16891:2016 Railway applications - Acoustics - Measurement method for combined roughness@ track decay rates and transfer functions
FprCEN ISO/TS 7849-1:2021 Acoustics - Determination of airborne sound power levels emitted by machinery using vibration measurement - Part 1: Survey method using a fixed radiation factor (ISO/TS 7849-1:2009)
CEN ISO/TS 7849-1:2022 Acoustics - Determination of airborne sound power levels emitted by machinery using vibration measurement - Part 1: Survey method using a fixed radiation factor (ISO/TS 7849-1:2009)

Military Standard of the People's Republic of China-General Armament Department, Sound Absorption Coefficient Measurement Method

GJB 9394-2018 Method for measuring sound field parameters of strong-sounding weapons
GJB 22.3-1984 Main technical performance parameters of sonar equipment and their measurement methods
GJB 9760-2020 Hypersonic inlet performance parameter definition and measurement methods
GJB 2165-1994 Method for determining absorbed dose of electronic devices using thermoluminescence dosimetry system
GJB 8878-2016 Test method for impulse coupling coefficient between short pulse laser and material Impulse pendulum method

Japanese Industrial Standards Committee (JISC), Sound Absorption Coefficient Measurement Method

JIS Z 2354:2012 Method for measurement of ultrasonic attenuation coefficient of solids
JIS A 1405-2:2007 Acoustics -- Determination of sound absorption coefficient and impedance in impedance tubes -- Part 2: Transfer-function method
JIS A 1405-1:2007 Acoustics -- Determination of sound absorption coefficient and impedance in impedance tubes -- Part 1: Method using standing wave ratio
JIS Z 2354:1992 Method for measurement of ultrasonic attenuation coefficient of solid by pulse echo technique
JIS B 2005:1995 Test procedures for flow coefficient of valves
JIS R 1651:2002 Method for measurement of pyroelectric coefficient of fine ceramics
JIS D 1616:1995 Road vehicles -- Measurement methods of noise emitted by exhaust systems
JIS H 7201:2007 Method for measurement of pressure-composition-temperature(PCT) relations of hydrogen absorbing alloys
JIS H 8453:2010 Measurement method for thermal conductivity of thermal barrier coatings
JIS H 8453:2018 Measurement method for thermal conductivity of thermal barrier coatings
JIS Z 2285:2003 Measuring method of coefficient of linear thermal expansion of metallic materials
JIS K 0400-66-20:1998 Water quality -- Determination of total mercury by flameless atomic absorption spectrometry -- Part 2: Method after pretreatment with ultraviolet radiation

Professional Standard-Ships, Sound Absorption Coefficient Measurement Method

CB 20113-2014 Measurement method for acoustical parameters of anechoic tile in acoustical tube
CB/T 4314-2013 Measurement and calculation methods for the properties of underwater practice piezoelectric ceramics element
CB/T 1194-1988 Measurement and Calculation Method of Performance Parameters of Piezoelectric Ceramic Components Used in Underwater Acoustics
CB/Z 162-1979 Measurement method of linear expansion coefficient a1 of piezoelectric ceramic materials

Professional Standard - Electron, Sound Absorption Coefficient Measurement Method

SJ/T 10661-1995 Electroacoustic parameters and testing methods of loudspeaker system for cinefilm projection
SJ 1129-1977 Method of measurement of acoustic parameters for loudspeaker system (provisional)
SJ 426-1973 Methods of measurement for noise figure for low noise travelling wave tubes
SJ/T 11158-1998 Basic technical parameter requirements and methods of measurement on multichannel sound television receivers using the NICAM two-channel digital sound-system
SJ/T 10296-1991 Testing methods of noise figure for marine radar receivers
SJ 2317-1983 Test methods for elasticity modulus and loss factor of paper stock for loudspeakers
SJ 1391-1978 Methods of measurement for voltage standing wave ratio on cold conditions of noise-generator diodes
SJ 1396-1978 Methods of measurement for voltage standing wave ratio of gas discharge noise tubes
SJ 1390-1978 Methods of measurement for nonliearity factor of excess noise power of noise-generator diodes
SJ/Z 9010.4-1987 Measurements of electrical properties of electronic tubes and valves--Part 4: Methods of measuring noise factor
SJ 20821-2002 Measurements method for coefficient of loss per pass of laser rods
SJ/T 10657-1995 Cabled distribution systems for television and signals Methods of measurement on head end equipments
SJ/T 10663-1995 Cabled distribution systems for television and sound signals Methods of measurement on fibre optic equipments and components
SJ/T 10612.2-1995 Aerials for the reception of sound and television broadcasting in the frequency range 30MHz to 1GHz.Part 2:Methods of measurement of electrical Performance parameters

BELST, Sound Absorption Coefficient Measurement Method

STB GOST R 51107-2000 Stereophonic broadcasting systems. Main parameters. Methods of measurements
STB 1629-2018 Sound broadcasting channels and paths. Basic parameters and measuring methods
STB 1629-2010 Sound broadcasting channels and paths. Basic parameters and measuring methods
STB GOST R 50861-2000 Tele-tekst system. Basic parameters. Measurement methods
STB 1682-2009 Circuits and paths of digital transmission systems. Main parameters, norms and measurement methods

BE-NBN, Sound Absorption Coefficient Measurement Method

NBN S 01-205-1979 Acoustics - Determination of sound power levels of noise sources -Prcecision methods for anechoic and semi-anechoic rooms
NBN-ISO 1996-2:1992 Acoustics. Description and measurement of environmental noise. Part 2: Acquisition of data pertinent to land use
NBN-EN 60107-5-1993 Recommended methods of measurement on receivers for television broadcast transmissions. Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system

German Institute for Standardization, Sound Absorption Coefficient Measurement Method

DIN 44402-6:1972-03 Measurement of the electrical properties of electronic tubes and valves; methods of measuring noise factor
DIN EN ISO 10534-2:2001 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer-function method (ISO 10534-2:1998); German version EN ISO 10534-2:2001
DIN EN ISO 10534-2 Berichtigung 1:2007-11 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer-function method (ISO 10534-2:1998); German version EN ISO 10534-2:2001, Corrigenda to DIN EN ISO 10534-2:2001-10 / Note: To be replaced by DIN...
DIN EN ISO 10534-2 Berichtigung 1:2007 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer-function method (ISO 10534-2:1998); German version EN ISO 10534-2:2001, Corrigenda to DIN EN ISO 10534-2:2001-10
DIN EN ISO 10534-1:2001 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 1: Method using standing wave ratio (ISO 10534-1:1996); German version EN ISO 10534-1:2001
DIN EN ISO 10534-2:2001-10 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer-function method (ISO 10534-2:1998); German version EN ISO 10534-2:2001 / Note: To be replaced by DIN EN ISO 10534-2 (2022-10).
DIN EN ISO 10534-1:2001-10 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 1: Method using standing wave ratio (ISO 10534-1:1996); German version EN ISO 10534-1:2001
DIN 44402-6:1972 Measurement of the electrical properties of electronic tubes and valves; methods of measuring noise factor
DIN EN 61290-3:2009-03 Optical amplifiers - Test methods - Part 3: Noise figure parameters (IEC 61290-3:2008); German version EN 61290-3:2008 / Note: DIN EN 61290-3 (2001-06) remains valid alongside this standard until 2011-10-01.
DIN EN 1925:1999 Natural stone test methods - Determination of water absorption coefficient capillarity; German version EN 1925:1999
DIN EN 1925:1999-05 Natural stone test methods - Determination of water absorption coefficient capillarity; German version EN 1925:1999
DIN EN 61290-3-1:2004-05 Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method (IEC 61290-3-1:2003); German version EN 61290-3-1:2003
DIN EN 61290-3-2:2009-06 Optical amplifier - Test methods - Part 3-2: Noise figure parameters - Electrical spectrum analyzer method (IEC 61290-3-2:2008); German version EN 61290-3-2:2008 / Note: DIN EN 61290-3-2 (2003-08) remains valid alongside this standard until 2011-10-01....
DIN 45578-1:1987 Magnet systems for moving coil loudspeakers; definitions, dimensions, methods of measurement
DIN EN 61329:1996 Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production) (IEC 61329:1995); German version EN 61329:1996
DIN EN 1015-18:2003 Methods of test for mortar for masonry - Part 18: Determination of water absorption coefficient due to capillary action of hardened mortar; German version EN 1015-18:2002
DIN EN 62333-2:2007 Noise suppression sheet for digital devices and equipment - Part 2: Measuring methods (IEC 62333-2:2006); German version EN 62333-2:2006
DIN EN 62333-2:2016-07 Noise suppression sheet for digital devices and equipment - Part 2: Measuring method (IEC 62333-2:2006 + A1:2015); German version EN 62333-2:2006 + A1:2015 / Note: DIN EN 62333-2 (2007-03) remains valid alongside this standard until 2018-09-09.*Applies...
DIN 45578-1:1987-02 Magnet systems for moving coil loudspeakers; definitions, dimensions, methods of measurement
DIN IEC 60510-2-3:1993 Methods of measurement for radio equipment used in satellite earth-stations; measurement for sub-systems; low-noise amplifier; identical with IEC 60510-2-3:1989
DIN EN 60835-3-4:1995 Methods of measurement for equipment used in digital microwave radio transmission systems - Part 3: Measurements on satellite earth stations; section 4: Low noise amplifier (IEC 60835-3-4:1993); German version EN 60835-3-4:1995
DIN EN 60107-5:1999 Recommended methods of measurement on receivers for television broadcast transmissions - Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system (IEC 60107-5:1992 + A1:1999); German versi
DIN EN 61606-1:2010 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 1: General (IEC 61606-1:2009); German version EN 61606-1:2009
DIN EN 60107-5:1999-12 Recommended methods of measurement on receivers for television broadcast transmissions - Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system (IEC 60107-5:1992 + A1:1999); German ve...
DIN EN 50332-3:2018-04 Sound system equipment: headphones and earphones associated with personal music players - maximum sound pressure level measurement methodology - Part 3: measurement method for sound dose management; German version EN 50332-3:2017
DIN CEN/TR 16891:2017-03*DIN SPEC 38451:2017-03 Railway applications - Acoustics - Measurement method for combined roughness, track decay rates and transfer functions; German version CEN/TR 16891:2016
DIN IEC 60510-1-5:1991 Methods of measurement for radio equipment used in satellite earth stations; measurement common to sub-systems and combinations of sub-systems; noise temperature measurements; identical with IEC 60510-1-5:1988
DIN EN 61290-3-3:2014-11 Optical amplifiers - Test methods - Part 3-3: Noise figure parameters - Signal power to total ASE power ratio (IEC 61290-3-3:2013); German version EN 61290-3-3:2014

Association Francaise de Normalisation, Sound Absorption Coefficient Measurement Method

NF S31-079-2*NF EN ISO 10534-2:2003 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2 : transfer-function method
NF EN ISO 10534-2:2003 Acoustique - Détermination du facteur d'absorption acoustique et de l'impédance des tubes d'impédance - Partie 2 : méthode de la fonction de transfert
NF EN ISO 10534-1:2003 Acoustique - Détermination du facteur d'absorption acoustique et de l'impédance acoustique à l'aide du tube d'impédance - Partie 1 : methode du taux d'ondes stationnaires
NF S31-079-1*NF EN ISO 10534-1:2003 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1 : method using standing wave ratio
NF EN 61290-3:2009 Amplificateurs optiques - Méthodes d'essais - Partie 3 : paramètres du facteur de bruit
NF EN 61329:1996 Équipements pour systèmes électroacoustiques - Méthodes de mesure et de spécification de la qualité de fonctionnement des sondeurs (transducteurs électroacoustiques de production de sons).
NF ISO 16900-14:2020 Appareils de protection respiratoire - Méthodes d'essai et équipement d'essai - Partie 14 : mesurage du niveau sonore
NF ISO 17208-2:2020 Acoustique sous-marine - Grandeurs et modes de description et de mesurage de l'acoustique sous-marine des navires - Partie 2 : détermination des niveaux de source à partir des mesures par grands fonds
NF EN 61290-3-1:2004 Amplificateurs optiques - Méthodes d'essai - Partie 3-1 : paramètres du facteur de bruit - Méthode d'analyseur du spectre optique
NF EN 61290-3-2:2009 Amplificateurs optiques - Méthodes d'essais - Partie 3-2 : paramètres du facteur de bruit - Méthode de l'analyseur spectral électrique
NF EN 1925:1999 Méthodes d'essai pour pierres naturelles - Détermination du coefficient d'absorption d'eau par capillarité.
NF B10-613*NF EN 1925:1999 Natural stone test methods. Determination of water absorption coefficient by capillarity.
NF C93-305-2*NF EN 62333-2:2006 Noise suppression sheet for digital devices and equipment - Part 2 : measuring methods
NF C93-305-2/A1*NF EN 62333-2/A1:2016 Noise suppression sheet for digital devices and equipment - Part 2 : measuring methods
NF C97-300*NF EN 61329:1996 Sound system equipment. Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production).
NF ISO 16900-12:2016 Appareils de protection respiratoire - Méthodes d'essai et équipement d'essai - Partie 12 : détermination du travail respiratoire en fonction du volume respiratoire et détermination des pics de pressions respiratoires
NF C92-297*NF EN 60107-5:1993 Recommended methods of measurement on receivers for television broadcast transmissions - Part 5 : electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system
NF EN 60107-5:1993 Méthodes recommandées pour les mesures sur les récepteurs de télévision - Partie 5 : mesures électriques sur les récepteurs de télévision à plusieurs voies son utilisant le système à deux voies son numérique NICAM
NF EN 60107-5/A1:1999 Méthodes recommandées pour les mesures sur les récepteurs de télévision - Partie 5 : mesures électriques sur les récepteurs de télévision à plusieurs voies son utilisant le système à deux voies son numérique NICAM
NF EN 14617-1:2013 Pierre agglomérée - Méthodes d'essai - Partie 1 : détermination de la masse volumique apparente et du coefficient d'absorption d'eau
NF C92-297/A1*NF EN 60107-5/A1:1999 Recommended methods of measurement on receivers for television broadcast transmissions - Part 5 : electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system
NF C97-210:1997 Audio and audiovisual equipment. Digital audio parts. Basic methods of measurement of audio characteristics.
NF C90-303-4*NF EN 60835-3-4:1996 Methods of measurement for equipment used in digital microwave radio transmission systems. Part 3 : measurements on satellite earth stations. Section 4 : low noise amplifier.
NF C97-357-3*NF EN 50332-3:2017 Sound system equipment: headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 3 : measurement method for sound dose management
FD F01-891*FD CEN/TR 16891:2016 Railway applications - Acoustics - Measurement method for combined roughness, track decay rates and transfer functions
FD CEN/TR 16891:2016 Applications ferroviaires - Acoustique - Méthode de mesurage pour la rugosité combinée, les taux de décroissance de la voie et les fonctions de transfert
NF EN 61290-3-3:2014 Amplificateurs optiques - Méthodes d'essais - Partie 3-3 : paramètres du facteur de bruit - Rapport puissance du signal sur puissance totale d'ESA
NF EN 60315-7:1996 Méthodes de mesure applicables aux récepteurs radioélectriques pour diverses classes d'émission - - Partie 7 : méthodes de mesure pour les récepteurs de radiodiffusion sonore numérique par satellite (DSR)
NF EN 50332-1:2014 Équipement de systèmes acoustiques : casques et écouteurs associés avec un baladeur - Méthode de mesure de niveau maximal de pression acoustique - Partie 1 : méthode générale pour "un équipement complet"
NF EN 1015-18:2003 Méthodes d'essai des mortiers pour maçonnerie - Partie 18 : détermination du coefficient d'absorption d'eau par capillarité du mortier durci

Korean Agency for Technology and Standards (KATS), Sound Absorption Coefficient Measurement Method

KS F 2814-2-2002(2022) Acoustics-determination of sound absorption coefficient and impedance in impedance tubes－Part 2：Transfer-function method
KS F 2814-2-2002(2017) Acoustics-determination of sound absorption coefficient and impedance in impedance tubes－Part 2：Transfer-function method
KS B 0532-2005 Method for measurement of ultrasonic attenuationcoefficient of solid by pulse echo technique
KS F 2609-2008 Determination of the water absorption coefficient of building materials
KS C IEC 60151-4:2004 Measurements of the electrical properties of electronic tubes and valves-Part 4:Methods of measuring noise factor
KS C IEC 60151-4:2013 Measurements of the electrical properties of electronic tubes and valves－Part 4：Methods of measuring noise factor
KS B 0532-1995 Method for measurement of ultrasonic attenuation coefficient of solid by pulse echo technique
KS B 0532-2005(2010) Method for measurement of ultrasonic attenuationcoefficient of solid by pulse echo technique
KS F 2814-1996 METHODS OF TEST FOR SOUND ABSORPTION OF ACOUSTICAL MATERIALS BY THE TUBE METHOD
KS F 2814-1986 METHODS OF TEST FOR SOUND ABSORPTION OF ACOUSTICAL MATERIALS BY THE TUBE METHOD
KS F 2814-1-2016 Determination of sound absorption coefficient and impedance in impedance tubes Part 1：Method using standing wave ratio
KS F 2814-1-2016(2021) Determination of sound absorption coefficient and impedance in impedance tubes Part 1：Method using standing wave ratio
KS C IEC 60151-4-2004(2009) Measurements of the electrical properties of electronic tubes and valves－Part 4：Methods of measuring noise factor
KS B 6352-2007(2017) Measuring methods for coefficient of discharge of safety valves
KS C IEC 60107-5-2011(2021) Recommended methods of measurements on receivers for television broadcast transmissions－Part 5：Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital so
KS B 6352-2007(2022) Measuring methods for coefficient of discharge of safety valves
KS C IEC 60107-5-2011(2016) Recommended methods of measurements on receivers for television broadcast transmissions－Part 5：Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital so
KS D 0293-2009 Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique
KS A ISO 22234-2011(2016) Cinematography－Relative and absolute sound pressure levels for motion-picture multi-channel sound systems－Measurement methods and levels
KS A ISO 22234-2011(2021) Cinematography－Relative and absolute sound pressure levels for motion-picture multi-channel sound systems－Measurement methods and levels
KS C IEC 60107-5:2011 Recommended methods of measurements on receivers for television broadcast transmissions－Part 5：Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system
KS I ISO 10843-2007(2017) Acoustics－Methods for the description and physical measurement of single impulses or series of impulses
KS C 8529-1995(2020) Temperature coefficient measuring methods for crystalline solar cells and modules

未注明发布机构, Sound Absorption Coefficient Measurement Method

BS EN ISO 10534-2:2001(2002) Acoustics — Determination of sound absorption coefficient and impedance in impedance tubes — Part 2 : Transfer - function method
DIN EN 1265:2000 Noise measurement method DIN for foundry machines and systems
BS EN 61290-3-1:2003(2004) Optical amplifiers — Test methods — Part 3 - 1 : Noise figure parameters — Optical spectrum analyzer method
DIN EN 61606:1997 Audio and audiovisual devices – Digital sound components – Basic measurement methods for audio properties DIN
BS EN 61329:1996(1999) Sound system equipment — Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production)
BS EN 60835-3-4:1997(2000) Methods of measurement for equipment used in digital microwave radio transmission systems — Part 3 : Measurements on satellite earth stations — Section 3.4 Low noise amplifier

Danish Standards Foundation, Sound Absorption Coefficient Measurement Method

DS/EN ISO 10534-2:2001 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer-function method
DS/EN ISO 10534-1:2001 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1: Method using standing wave ratio
DS/EN 61290-3:2008 Optical amplifiers - Test methods - Part 3: Noise figure parameters
DS/EN 1925:1999 Natural stone test methods - Determination of water absorption coefficient by capillarity
DS/EN 61290-3-1:2004 Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method
DS/EN 61290-3-2:2008 Optical amplifiers - Test methods - Part 3-2: Noise figure parameters - Electrical spectrum analyzer method
DS/ISO 17497-2:2012 Acoustics - Sound-scattering properties of surfaces - Part 2: Measurement of the directional diffusion coefficient in a free field
DS/IEC 107-5:1993 Recommended methods of measurement on receivers for television broadcast transmissions. Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system
DS/EN 62333-2:2006 Noise suppression sheet for digital devices and equipment - Part 2: Measuring methods
DS/ISO 10843/Corr. 1:2009 Acoustics - Methods for the description and physical measurement of single impulses or series of impulses
DS/ISO 10843:1998 Acoustics - Methods for the description and physical measurement of single impulses or series of impulses
DS/EN 61329:1996 Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production)
DS/EN 958+A1:2011 Mountaineering equipment – Energy absorbing systems for use in klettersteig (via ferrata) climbing – Safety requirements and test methods

NZ-SNZ, Sound Absorption Coefficient Measurement Method

AS/NZS 1935.1:1998 Acoustics - Determination of Sound Absorption Coefficient and Impedance in Impedance Tubes Part 1: Method Using Standing Wave Ratio

RO-ASRO, Sound Absorption Coefficient Measurement Method

STAS 10046/1-1992 Buildings acoustics. Determination of absorption coefficient of materials and specific acoustic absorption of bodies by reverberation room method
STAS 8871/7-1973 Electric vacuum cleaners for household use METHODS FOR MEASURING THE PERFORMANCE Measurement of air data
STAS 10125-1975 MULTI-PARAMETER SYSTEMS FOR DATA MEASURING AND PROCESSING Methods for measuring the basic parameters

American National Standards Institute （ANSI), Sound Absorption Coefficient Measurement Method

ANSI/ASTM F1334:2012 Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners
ANSI S4.51-1991 Standard method for digital audio equipment - Measurement of digital audio equipment
ANSI/ASTM F1887:2003 Test Method for Measuring the Coefficient of Restitution COR of Baseballs and Softballs
ANSI/ASTM F1887:2009 Test Method For Measuring The Coefficient Of Restitution Cor Of Baseballs And Softballs
ANSI/AWS B2.1-1/8-227:2002 Standard Welding Procedure Specification (WPS) for Gas Tungsten Arc Welding of Carbon Steel to Austenitic Stainless Steel (M-1/P-1/S-1 Groups 1 and 2 Welded to M-8/P-8/S-8, Group 1) 1/16 through 1-1/2 inch thick, ER309, As-Welded Condition, Primarily Pip

International Electrotechnical Commission (IEC), Sound Absorption Coefficient Measurement Method

IEC 60151-4:1963 Measurements of the electrical properties of electronic tubes and valves - Part 4: Methods of measuring noise factor
IEC 62333-2:2006 Noise suppression sheet for digital devices and equipment - Part 2: Measuring methods
IEC 62333-2:2006+AMD1:2015 CSV Noise suppression sheet for digital devices and equipment - Part 2: Measuring methods
IEC TR 63307:2020 Measurement methods of the complex relative permeability and permittivity of noise suppression sheet
IEC 60107-5:1999 Recommended methods of measurements on receivers for television broadcast transmissions - Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system
IEC 60107-5:1992 Recommended methods of measurement on receivers for television broadcast transmissions; part 5: electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system
IEC 60107-5:1992/AMD1:1999 Recommended methods of measurement on receivers for television broadcast transmissions - Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system; Amendment 1
IEC 62333-2:2006/AMD1:2015 Amendment 1 - Noise suppression sheet for digital devices and equipment - Part 2: Measuring methods
IEC 60728-1:2001 Cabled distribution systems for television and sound signals - Part 1: Methods of measurement and system performance
IEC 60835-3-4:1993 Methods of measurement for equipment used in digital microwave radio transmission systems; part 3: measurements on satellite earth stations; section 4: low noise amplifier

Lithuanian Standards Office , Sound Absorption Coefficient Measurement Method

LST EN ISO 10534-2:2002 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 2: Transfer-function method (ISO 10534-2:1998)
LST EN ISO 10534-1:2002 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 1: Method using standing wave ratio (ISO 10534-1:1996)
LST EN 1925-2000 Natural stone test methods - Determination of water absorption coefficient by capillarity
LST EN 61290-3-2008 Optical amplifiers - Test methods - Part 3: Noise figure parameters (IEC 61290-3:2008)
LST EN 61290-3-1-2004 Optical amplifiers. Test methods. Part 3-1: Noise figure parameters. Optical spectrum analyzer method (IEC 61290-3-1:2003)
LST EN 61290-3-2-2008 Optical amplifiers - Test methods - Part 3-2: Noise figure parameters - Electrical spectrum analyzer method (IEC 61290-3-2:2008)
LST EN 62333-2-2006 Noise suppression sheet for digital devices and equipment - Part 2: Measuring methods (IEC 62333-2:2006)

AENOR, Sound Absorption Coefficient Measurement Method

UNE-EN ISO 10534-2:2002 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 2: Transfer-function method. (ISO 10534-2:1998)
UNE-EN ISO 10534-1:2002 Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 1: Method using standing wave ratio. (ISO 10534-1:1996)
UNE-EN 1925:1999 NATURAL STONE TEST METHODS. DETERMINATION OF WATER ABSORPTION COEFFICIENT BY CAPILLARITY
UNE-EN 61329:1997 SOUND SYSTEM EQUIPMENT. METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SOUNDERS (ELECTROACOUSTIC TRANSDUCERS FOR TONE PRODUCTION).

PL-PKN, Sound Absorption Coefficient Measurement Method

PN T04752-1988 Loudspeakers and loudspeaker systems Methods of electrical and electroacoustical measurements
PN T01505-19-1987 Field-effect transistors Measuring method Noise factor F and equivalent input noise yoltage U?
PN M44011-1986 Centrifugal pumps imit leve!s of acoustical paramelers nd methodes of measurements

Society of Motion Picture and Television Engineers (SMPTE), Sound Absorption Coefficient Measurement Method

SMPTE EG 16-2014 Measurement Methods for Film and Digital Motion-Picture Camera Acoustical Noise - Field Method

Standard Association of Australia （SAA）, Sound Absorption Coefficient Measurement Method

AS/NZS 16900.14:2021 Respiratory protective devices — Methods of test and test equipment, Method 14: Measurement of sound pressure level (ISO 16900-14:2020, MOD)
AS/NZS 1301.510:2016 Methods of test for pulp and paper, Method 510: Measurement of diffuse radiance factor (diffuse reflectance factor)
IEC 60107-5:1992+AMD1:1999 CSV Recommended methods of measurements on receivers for television broadcast transmissions — Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system
AS/NZS 1301.452rp:2006 Methods of test for pulp and paper - Determination of weight factors by the comparison method
AS/NZS 1301.545:2018 Methods of test for pulp and paper, Method 545: Determination of light scattering and absorption coefficients (using Kubelka-Munk theory) (ISO 9416:2017, MOD)
AS/NZS 1301.515:2017 Methods of test for pulp and paper, Method 515: Measurement of diffuse radiance factor (diffuse reflectance factor) — Indoor daylight conditions (ISO brightness)
IEC 62333-2/AMD1:2015 Amendment 1 — Noise suppression sheet for digital devices and equipment — Part 2: Measuring methods
AS/NZS 4713:2002 Ultrasonics - Physiotherapy systems - Performance requirements and methods of measurement in the frequency range 0.5 MHz to 5 MHz
AS 1289.2.3.1:1998 Methods of testing soils for engineering purposes - Soil moisture content tests - Establishment of correlation - Subsidiary method and the standard method

European Committee for Electrotechnical Standardization（CENELEC）, Sound Absorption Coefficient Measurement Method

EN 61290-3:2008 Optical amplifiers - Test methods - Part 3: Noise figure parameters
EN 61290-3-2:2008 Optical amplifiers - Test methods - Part 3-2: Noise figure parameters - Electrical spectrum analyzer method
EN 60107-5:1992 Recommended Methods of Measurement on Receivers for Television Broadcast Transmissions Part 5: Electrical Measurements on Multichannel Sound Television Receivers Using the NICAM Two-Channel Digital Sound-System (Incorporates Amendment A1: 1999)
EN 50332-3:2017 Sound system equipment: headphones and earphones associated with personal music players - maximum sound pressure level measurement methodology - Part 3: measurement method for sound dose management
EN 62333-2:2006 Noise suppression sheet for digital devices and equipment Part 2: Measuring methods
EN 60835-3-4:1995 Methods of Measurement for Equipment Used in Digital Microwave Radio Transmission Systems Part 3: Measurements on Satellite Earth Stations Section 4: Low Noise Amplifier
EN 61329:1996 Sound System Equipment Methods of Measuring and Specifying the Performance of Sounders (Electroacoustic Transducers for Tone Production)
EN 61290-3-3:2014 Optical amplifiers - Test methods - Part 3-3: Noise figure parameters - Signal power to total ASE power ratio

ES-UNE, Sound Absorption Coefficient Measurement Method

UNE-EN 61290-3:2008 Optical amplifiers - Test methods -- Part 3: Noise figure parameters (Endorsed by AENOR in February of 2009.)
UNE-EN 61290-3-1:2003 Optical amplifiers - Test methods -- Part 3-1: Noise figure parameters - Optical spectrum analyzer method (Endorsed by AENOR in April of 2004.)
UNE-EN 61290-3-2:2008 Optical amplifier test methods -- Part 3-2: Noise figure parameters - Electrical spectrum analyzer method (Endorsed by AENOR in February of 2009.)
UNE-EN 13223:2015 Noise suppression sheet for digital devices and equipment - Part 2: Measuring method (Endorsed by AENOR in January of 2016.)
UNE-EN 62333-2:2006/A1:2015 Noise suppression sheet for digital devices and equipment - Part 2: Measuring method (Endorsed by AENOR in January of 2016.)
UNE-EN 62333-2:2006 Noise suppression sheet for digital devices and equipment -- Part 2: Measuring methods (IEC 62333-2:2006 ) (Endorsed by AENOR in September of 2006.)
UNE-EN 50332-3:2017 Sound system equipment: headphones and earphones associated with personal music players - maximum sound pressure level measurement methodology - Part 3: measurement method for sound dose management (Endorsed by Asociación Española de Normalización i...
UNE-CEN/TR 16891:2016 Railway applications - Acoustics - Measurement method for combined roughness, track decay rates and transfer functions (Endorsed by AENOR in August of 2016.)
UNE-EN 61290-3-3:2014 Optical amplifiers - Test methods - Part 3-3: Noise figure parameters - Signal power to total ASE power ratio (Endorsed by AENOR in March of 2014.)
UNE-EN 60835-3-4:1994 METHODS OF MEASUREMENT FOR EQUIPMENT USED IN DIGITAL MICROWAVE RADIO TRANSMISSION SYSTEMS. PART 3: MEASUREMENTS ON SATELLITE EARTH STATIONS. SECTION 4: LOW NOISE AMPLIFIER. (Endorsed by AENOR in May of 1995.)

PT-IPQ, Sound Absorption Coefficient Measurement Method

NP EN 1925-2000 Natural stone test methods Determination of water absorption coefficient by capillary
NP EN 1793-1-2000 Road traffic noise reducing devices Test method for determining the acoustic performance Part1:Intrinsic characteristics of sound absorption

Consumer Electronics Association （U.S.), Sound Absorption Coefficient Measurement Method

CEA-2031 ERTA-2007 Testing and Measurement Methods for Mobile Loudspeaker Systems
CEA-2031-2006 Testing and Measurement Methods for Mobile Loudspeaker Systems

Professional Standard - Culture, Sound Absorption Coefficient Measurement Method

WH 0301-1993 Acoustical characteristics and measurement methods for the sound reinforcement system in ballroom

National Metrological Technical Specifications of the People's Republic of China, Sound Absorption Coefficient Measurement Method

JJF 1877-2020 Calibration Specification for Acoustic Performance Parameters Measurement Systems of Underwater Acoustic Materials(Pulse Tube Method)

工业和信息化部, Sound Absorption Coefficient Measurement Method

QC/T 1132-2020 Measurement method of electric powertrain noise for electric vehicles

CO-ICONTEC, Sound Absorption Coefficient Measurement Method

ICONTEC 1503-1979

Professional Standard - Radio Television Film, Sound Absorption Coefficient Measurement Method

GY/T 149-2000 Methods of measurement for satellite digital television receive-only earth station.system measurement
GY/T 221-2006 Specifications and methods of measurement of digital cable television system

KR-KS, Sound Absorption Coefficient Measurement Method

KS F ISO 17497-2-2017 Acoustics - Sound scattering properties of surfaces - Part 2 : Measurement of the directional diffusion coefficient in a free field

Shandong Provincial Standard of the People's Republic of China, Sound Absorption Coefficient Measurement Method

DB37/T 2641-2015 Technical requirements and detection methods of portable multi-gas measurement system by ultraviolet absorption method

Taiwan Provincial Standard of the People's Republic of China, Sound Absorption Coefficient Measurement Method

CNS 11446-5-2000 Methods of measurements on receivers of television broadcasting transmissions - Part 4 : Electrical measurements on miltichannel sound television reciivers using the NICAM two-channel digital sound-system
CNS 11446.5-2000 Methods of measurements on receivers of television broadcasting transmissions - Part 4 : Electrical measurements on miltichannel sound television reciivers using the NICAM two-channel digital sound-system
CNS 6801-1980 Standard for Measurement of Transistor Noise Figure at Frequencies up to 20 KHz by Sinusoidal Sigual-Generator Method

Institute of Electrical and Electronics Engineers (IEEE), Sound Absorption Coefficient Measurement Method

SMPTE EG 16:2014 SMPTE EG 16:2014 - SMPTE Engineering Guideline - Measurement Methods for Film and Digital Motion-Picture Camera Acoustical Noise — Field Method

Professional Standard - Medicine, Sound Absorption Coefficient Measurement Method

YY/T 0748.1-2009 Ultrasonics.Pulse-echo scanner.Part 1:Techniques for calibrating spatial measurement systems and measurement of system point-spread function response

国家市场监督管理总局、中国国家标准化管理委员会, Sound Absorption Coefficient Measurement Method

GB/T 9966.13-2021 Test methods for natural stone—Part 13: Determination of water absorption coefficient by capillarity
GB/T 40675.2-2021 Noise suppression sheet for digital devices and equipment—Part 2: Measuring methods

CENELEC - European Committee for Electrotechnical Standardization, Sound Absorption Coefficient Measurement Method

EN 61290-3:2000 Optical Fibre Amplifiers - Basic Specification - Part 3: Test Methods for Noise Figure Parameters
EN 61290-3-2:2003 Optical amplifiers Part 3-2: Test methods for noise figure parameters Electrical spectrum analyzer method

国家煤矿安全监察局, Sound Absorption Coefficient Measurement Method

MT/T 1173-2019 Measuring method of coal seam permeability coefficient—radial flow method

卫生健康委员会, Sound Absorption Coefficient Measurement Method

WS/T 676-2020 Measurement method of radon emission coefficient of building materials

国家广播电影电视总局, Sound Absorption Coefficient Measurement Method

GY/T 248-2011 Technical requirements and measurement methods for audio power amplifiers for use in mid-range and mobile projection systems for digital cinema

Professional Standard - Ocean, Sound Absorption Coefficient Measurement Method

HY/T 133-2010 Determination of spectral absorption coefficient of particles and dissolved material for seawater-Spectrophotometry

International Telecommunication Union (ITU), Sound Absorption Coefficient Measurement Method

ITU-R QUESTION 124/6-2006 Measurement methods for the verification and validation of digital television and sound broadcasting planning procedures
ITU-R QUESTION 1246-2006 Measurement methods for the verification and validation of digital television and sound broadcasting planning procedures
ITU-R RAPPORT SM.2157 FRENCH-2009 MEASUREMENT METHODS FOR POWER LINE HIGH DATA RATE TELECOMMUNICATION SYSTEMS
ITU-R INFORME SM.2157 SPANISH-2009 MEASUREMENT METHODS FOR POWER LINE HIGH DATA RATE TELECOMMUNICATION SYSTEMS
ITU-T J.142-2000 Methods for the Measurement of Parameters in the Transmission of Digital Cable Television Signals Series J: Transmission of Television Sound Programme and Other Multimedia Signals Measurement of the Quality of Service Study Group 9

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, Sound Absorption Coefficient Measurement Method

QUESTION 124/6-2006 Measurement methods for the verification and validation of digital television and sound broadcasting planning procedures
REPORT SM.2157-2009 MEASUREMENT METHODS FOR POWER LINE HIGH DATA RATE TELECOMMUNICATION SYSTEMS

ZA-SANS, Sound Absorption Coefficient Measurement Method

SANS 10843:1997 Acoustics - Methods for the description and physical measurement of single impulses or series of impulses

AR-IRAM, Sound Absorption Coefficient Measurement Method

IRAM 12510-1949

Canadian Standards Association (CSA), Sound Absorption Coefficient Measurement Method

CSA C61400-11-07-CAN/CSA-2007 Wind turbine generator systems ?Part 11: Acoustic noise measurement techniques First Edition

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Sound Absorption Coefficient Measurement Method

GB/T 32671.1-2016 Colloidal systems—Methods for zeta potential determination—Part 1: Electroacoustic and electrokinetic phenomena

Professional Standard - Post and Telecommunication, Sound Absorption Coefficient Measurement Method

YD/T 828.34-1996 Measuring method of equipments used in digital microwave transmission system Part 3 Measurement of satellite communication earth stations Section 4: Low-noise amplifier

GOSTR, Sound Absorption Coefficient Measurement Method

GOST IEC 62127-1-2015 State system for ensuring the uniformity of measurements. Parameters of ultrasonic fields. General requirements to measuring methods and characterization of fields in the frequency range 0,5 to 40 MHz

TR-TSE, Sound Absorption Coefficient Measurement Method

TS 2444-1976 MEASUREMENTS OF THE ELECTRIC AL PROPERTIES OF ELECTRONIC TUBES AND VALVES PART 4 : METHODS OF MEASURING NOISE FACTOR

JSAE - Society of Automotive Engineers of Japan@ Inc., Sound Absorption Coefficient Measurement Method

JASO D004-1991 Methods of Measurement of Radio Noise Suppressor Characteristics for Internal Combustion Engine Spark Ignition System

(U.S.) Telecommunications Industries Association , Sound Absorption Coefficient Measurement Method

TIA/EIA-455-222-2001 FOTP-222 IEC 61290-3 Optical Fiber Amplifiers Basic Specification Part 3: Test Methods for Noise Figure Parameters
TIA SP3696-2000 Accelerated Measurement of BER and Q-Factor in Digital Optical Transmission Systems Using the Sinusoidal Interference Method Comment Period Expires: July 26, 2000; TIA/EIA-526-8

Professional Standard - Electricity, Sound Absorption Coefficient Measurement Method

DL/T 1522-2016 Guide for ultrasonic waterflow measuring method and evaluation of internal water cooling system for generator stator windings
DL/T 1721-2017 Measuring method of soil thermal resistivity along power cable line

Professional Standard - Aerospace, Sound Absorption Coefficient Measurement Method

QJ 2840-1996 An Antenna Coefficient Calibration Method for Electromagnetic Compatibility Measuring Antennas

International Commission on Illumination (CIE), Sound Absorption Coefficient Measurement Method

CIE 182-2007 CALIBRATION METHODS AND PHOTOLUMINESCENT STANDARDS FOR TOTAL RADIANCE FACTOR MEASUREMENTS

Professional Standard - Nuclear Industry, Sound Absorption Coefficient Measurement Method

EJ/T 581-1991 The characteristics and test methods of the parts matched with the count rate meter in the count rate measurement system

BR-ABNT, Sound Absorption Coefficient Measurement Method

ABNT NBR IEC 60118-13:2020 Electroacoustics - Hearing aids Part 13: Requirements and methods of measurement for electromagnetic immunity to mobile digital wireless devices

European Telecommunications Standards Institute (ETSI), Sound Absorption Coefficient Measurement Method

ETSI TS 103 224-2015 Speech and multimedia Transmission Quality (STQ); A sound field reproduction method for terminal testing including a background noise database (V1.2.1)

ETSI - European Telecommunications Standards Institute, Sound Absorption Coefficient Measurement Method

TS 103 224-2015 Speech and multimedia Transmission Quality (STQ); A sound field reproduction method for terminal testing including a background noise database (V1.2.1)
TS 103 224-2017 Speech and multimedia Transmission Quality (STQ); A sound field reproduction method for terminal testing including a background noise database (V1.3.1)
TS 103 224-2014 Speech and multimedia Transmission Quality (STQ); A sound field reproduction method for terminal testing including a background noise database (V1.1.1)