ZH

RU

ES

Low Frequency Noise Detection

Low Frequency Noise Detection, Total:162 items.

In the international standard classification, Low Frequency Noise Detection involves: Electrical wires and cables, Acoustics and acoustic measurements, Road engineering, Audio, video and audiovisual engineering, Linear and angular measurements, Semiconductor devices, Noise with respect to human beings, Machine tools, Vocabularies, Non-destructive testing, Electricity. Magnetism. Electrical and magnetic measurements, Road vehicle systems, Protection of and in buildings, Electronic tubes, Telecommunication systems, IT terminal and other peripheral equipment, Office machines, Information technology (IT) in general, Industrial trucks, Services, Aircraft and space vehicles in general, Fluid power systems, Quality, Textile machinery, Testing of metals, Metrology and measurement in general, Special measuring equipment for use in telecommunications, Fluid storage devices, Measurement of fluid flow, Compressors and pneumatic machines, Refrigerating technology, Telecommunication terminal equipment, Domestic electrical appliances in general, Rotating machinery, Cinematography, Television and radio broadcasting.


Defense Logistics Agency, Low Frequency Noise Detection

HU-MSZT, Low Frequency Noise Detection

RU-GOST R, Low Frequency Noise Detection

  • GOST 31300-2005 Noise of machines. Liquid pumps. Noise tests
  • GOST 19656.5-1974 Semiconductor UHF mixer and detector diodes. Measurement methods of output noise ratio
  • GOST R 52797.3-2007 Acoustics. Recommended practice for the design of low-noise workplaces containing machinery. Part 3. Sound propagation and noise prediction in workrooms
  • GOST 18604.20-1978 Transistors bipolar. Methods for measuring noise figure at low frequencies
  • GOST 8.314-1978 State system for ensuring the uniformity of measurements. Low-frequency generators. Methods and means of verification
  • 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 R 53556.3-2012 Sound broadcasting digital. Coding of signals of sound broadcasting with reduction of redundancy for transfer on digital communication channels. Part 3 (MPEG-4 audio). Code excited linear prediction

British Standards Institution (BSI), Low Frequency Noise Detection

  • BS EN 1793-3:1998 Road traffic noise reducing devices - Test method for determining the acoustic performance - Normalized traffic noise spectrum
  • BS EN 1793-1:2012 Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics of sound absorption
  • BS EN 61265:1995 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aircraft
  • BS EN 1793-2:2012 Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions
  • BS EN 1793-2:2018 Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Low Frequency Noise Detection

  • GB/T 17147-2012 Measurement of audio-frequency noise voltage level in sound broadcasting
  • GB/T 17147-1997 Measurement of audio-frequency noise voltage level in sound broadcasting

Association Francaise de Normalisation, Low Frequency Noise Detection

  • XP S31-135:2017 Acoustics - Low frequency noise - Measuring method
  • NF A09-350:1984 NON DESTRUCTIVE TESTING. VOCABULARY USED IN ACOUSTIC EMISSION.
  • NF S31-111:1992 Acoustics. Measurement of high-frequency noise emitted by computer and business equipment.
  • NF EN 352-9:2020 Protecteurs individuels contre le bruit - Exigences de sécurité et essais - Partie 9 : bouchons d'oreilles avec entrée audio-électrique
  • NF EN 352-10:2020 Protecteurs individuels contre le bruit - Exigences de sécurité et essais - Partie 10 : bouchons d'oreille avec entrée audio pour le divertissement
  • NF S31-600-3*NF EN ISO 11690-3:1999 Acoustics. Recommended practice for the design of low-noise workplaces containing machinery. Part 3 : sound propagation and noise prediction in workrooms.
  • NF S31-060:1977 TEST CODE FOR THE MEASUREMENT OF NOISE EMITTED BY TEXTILE MACHINERY.ENGINEERING AND SURVEY METHODS.
  • NF EN 15634-3:2023 Produits alimentaires - Détection des allergènes alimentaires par des méthodes d'analyse de biologie moléculaire - Partie 3 : noisette (Corylus avellana) - Détection qualitative d'une séquence d'ADN spécifique dans du chocolat, par PCR en tem...
  • NF EN 61243-3:2015 Travaux sous tension - Détecteurs de tension - Partie 3 : type bipolaire basse tension
  • NF S31-140:1995 Electroacoustics. Instruments for measurement of aircraft noise. Performance requirements for systems to measure one-thirs-octave band sound pressure levels in noise certification of transport-category aeroplanes.
  • NF E35-411:1989 Refrigerating machine. Noise emitted by refrigeration equipments with compressors drived by external power unit called "open". Test code for measuring the sound power.
  • NF EN ISO 15186-3:2011 Acoustique - Mesurage par intensité de l'isolation acoustique des immeubles et des éléments de construction - Partie 3 : mesurages en laboratoire à de basses fréquences
  • NF S31-006-2:1992 ACOUSTICS. TEST CODE FOR THE MEASUREMENT OF AIRBONE NOISE EMITTED BY ROTATING ELECTRICAL MACHINERY. PART 2 : SURVEY METHOD. (EUROPEAN STANDARD EN 21680-2).
  • NF S31-098-3*NF EN ISO 15186-3:2011 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Part 3 : laboratory measurements at low frequencies
  • NF S31-067:1986 ACOUSTICS. DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES. PART 7 : SURVEY METHOD USING A REFERENCE SOUND SOURCE.

International Telecommunication Union (ITU), Low Frequency Noise Detection

  • ITU-R BS.468-1986 Measurement of audio-frequency noise voltage level in sound broadcasting
  • ITU-R BS.468-4-1986 Measurement of Audio-Frequency Noise Voltage Level in Sound Broadcasting - Section 10C - Audio-Frequency Characteristics of Sound-Broadcasting Signals
  • ITU-R BS.468-4 SPANISH-1986 MEASUREMENT OF AUDIO-FREQUENCY NOISE VOLTAGE LEVEL IN SOUND BROADCASTING
  • ITU-R BS.559-2-1990 Objective Measurement of Radio-Frequency Protection Ratios in LF MF and HF Broadcasting - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
  • ITU-R BS.559-2 FRENCH-1990 OBJECTIVE MEASUREMENT OF RADIO-FREQUENCY PROTECTION RATIOS IN LF, MF AND HF BROADCASTING
  • ITU-R BS.559-2 SPANISH-1990 OBJECTIVE MEASUREMENT OF RADIO-FREQUENCY PROTECTION RATIOS IN LF, MF AND HF BROADCASTING
  • ITU-R BS.467-1970 Technical Characteristics to be Checked for Frequency-Modulation Stereophonic Broadcasting - Section 10B - Frequency-Modulation Sound Broadcasting in Bands 8 (VHF) and 9 (UHF)
  • ITU-R BS.467 SPANISH-1970 Technical Characteristics to be Checked for Frequency-Modulation Stereophonic Broadcasting - Section 10B - Frequency-Modulation Sound Broadcasting in Bands 8 (VHF) and 9 (UHF)

U.S. Military Regulations and Norms, Low Frequency Noise Detection

German Institute for Standardization, Low Frequency Noise Detection

  • DIN 45680:2020-06 Measurement and assessment of low-frequency noise immissions / Note: Date of issue 2020-05-22*Intended as replacement for DIN 45680 (1997-03), DIN 45680 Beiblatt 1 (1997-03).
  • DIN EN ISO 11690-3:1999 Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms (ISO/TR 11690-3:1997); German version EN ISO 11690-3:1998
  • DIN 45680:1997-03 Measurement and assessment of low-frequency noise immissions in the neighbourhood / Note: To be replaced by DIN 45680 (2011-08), DIN 45680 (2013-09), DIN 45680 (2020-06).
  • DIN EN 1793-3:1997 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalised traffic noise spectrum; German version EN 1793-3:1997
  • DIN 52210-6:1989 Testing of acoustics in buildings; airborne impact and sound insulation; measurement of level difference
  • DIN 52210-6:2012 Testing of acoustics in buildings - Airborne impact and sound insulation - Measurement of level difference
  • DIN 45680:1997 Measurement and assessment of low-frequency noise immissions in the neighbourhood
  • DIN 52210-6:2013 Testing of acoustics in buildings - Airborne and impact sound insulation - Determination of the level difference by shafts
  • DIN 45680 Beiblatt 1:2013-09 Measurement and assessment of low-frequency noise immissions - Guidelines for the assessment - Technical equipment / Note: Date of issue 2013-09-20*Intended as replacement for DIN 45680 Beiblatt 1 (1997-03).
  • DIN EN 61265:1999 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes (IEC 61265:1995); German version EN 6126
  • DIN 45680 Beiblatt 1:1997-03 Measurement and assessment of low-frequency noise immissions in the neighbourhood - Guidelines for the assessment for industrial plants / Note: To be replaced by DIN 45680 (2011-08), DIN 45680 (2013-09), DIN 45680 (2020-06), DIN 45680 Beiblatt 1 (2013-...
  • DIN 45680 Bb.1:1997 Measurement and assessment of low-frequency noise immissions in the neighbourhood - Guidelines for the assessment for industrial plants
  • DIN EN ISO 15186-3:2010-12 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Part 3: Laboratory measurements at low frequencies (ISO 15186-3:2002); German version EN ISO 15186-3:2010
  • DIN EN ISO 11690-3:1999-01 Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms (ISO/TR 11690-3:1997); German version EN ISO 11690-3:1998
  • DIN CEN/TS 1793-4:2004 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In-situ values of sound diffraction; German version CEN/TS 1793-4:2003

Taiwan Provincial Standard of the People's Republic of China, Low Frequency Noise Detection

  • CNS 13544-1995 Frequency Weighting for the Measurement of Aircraft Noise (D-Weighting)

工业和信息化部, Low Frequency Noise Detection

  • SJ/T 11767-2020 Diode low frequency noise parameter testing method
  • SJ/T 11765-2020 Transistor low-frequency noise parameter testing method
  • SJ/T 11768-2020 Resistor low frequency noise parameter testing method
  • SJ/T 11766-2020 Test method for low-frequency noise parameters of optocoupler devices
  • SJ/T 11769-2020 General requirements for testing methods of low-frequency noise parameters of electronic components

Society of Motion Picture and Television Engineers (SMPTE), Low Frequency Noise Detection

  • SMPTE RP 142-2004 Stereo Audio Track Allocations and Identification of Noise Reduction for Video Tape Recording
  • SMPTE RP 18-1995 Specifications for Test Film for Subjective Checking of 16-mm Motion-Picture Audio Projectors

AT-ON, Low Frequency Noise Detection

  • ONORM S 5007-1996 Measurement and assessment of low-frequency noise immissions in the neighbourhood
  • ONORM EN 25135-1992 Acoustics - Determination of sound power levels of noise from air terminal devices, high/low velocity/ pressure assemblies, dampers and valves by measurement in a reverberation room

YU-JUS, Low Frequency Noise Detection

  • JUS Z.P1.002-1984 Acoustics. Aincraft noise. Measurement of external noise heard on the ground without frequency analysis
  • JUS N.N6.182-1978 Radiocommunications. Wired distribution systems. Methods of measurements. Television RF signal to noise ratio. Checks on the measuring eguipment.
  • JUS N.N6.180-1978 Radio Communications. Wired distribution sistems. Methods of measurements. RF signal to noise ratio. Correction factors.
  • JUS N.N6.181-1978 Radiocommunications. Wired distribution systems. Methods of measurements. Television RF signal to noise ratio. Equipment reguired-additional items.
  • JUS N.N6.183-1978 Radio Communications. Wire? distribution systems. Methods ofmeasurements. RF signal to noise ratio. Calibration ofthe selective voltmeter

Korean Agency for Technology and Standards (KATS), Low Frequency Noise Detection

  • KS B ISO 230-5:2007 Test code for machine tools-Part 5:Determination of the noise emission
  • KS B ISO 230-5:2014 Test code for machine tools — Part 5: Determination of the noise emission
  • KS B ISO 4412-1:2002 Hydraulic fluid power-Test code for determination of airborne noise levels-Part 1:Pumps
  • KS B ISO 4412-2:2002 Hydraulic fluid power-Test code for determination of airborne noise levels-Part 2:Motors
  • KS C IEC 60704-3:2002 Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances-Part 3:Procedure for determining and verifying declared noise emission values
  • KS C IEC 60704-3:2015 Household and similar electrical appliances — Test code for the determination of airborne acoustical noise — Part 3: Procedure for determining and verifying declared noise emission values
  • KS A ISO 7832:2003 Cinematography-Photoelectric output factor of photographic-type audio-level test films-Measurement and calibration

Professional Standard - Electron, Low Frequency Noise Detection

  • SJ/T 11846-2022 Voltage regulator low-frequency noise parameter test method
  • SJ 429-1973 Methods of measurement for frequency ranges of low noise travelling wave tubes
  • SJ 20225-1993 Verification regulation of LF group delay measuring set

National Metrological Verification Regulations of the People's Republic of China, Low Frequency Noise Detection

SE-SIS, Low Frequency Noise Detection

  • SIS SS-ISO 9295:1989 Acoustics — Measurement of high frequency no/se emitted by computer and business equipment
  • SIS SS-ISO 6081:1989 Acoustics — Noise emittedby machinery and equipment — Guidelines for the preparation of test codes of engineering grade requiring noise measurements at the operator's or by st?nder's position
  • SIS SS-ISO 5135:1986 Acoustics - Determination of sound power levels ofnoise from air terminal devices, h/gfi/low velocitylpressure assemblies, dampers and valves by measurement in a reverberation room

PL-PKN, Low Frequency Noise Detection

  • PN T04811-1971 Low power electronic tub?* Me?hod o? measuremen? o? ?od noiset wi?h excitah'on by wibrafion
  • PN T04807-1966 Low-power electronic tubes. Method of measurement of equiv- alent noise resistance of grid- control tubes

Society of Automotive Engineers (SAE), Low Frequency Noise Detection

  • SAE J2521-2013 Disc and Drum Brake Dynamometer Squeal Noise Test Procedure
  • SAE J3002-2021 Disc and Drum Brake Dynamometer Low-Frequency Noise Test Procedure

American Society for Testing and Materials (ASTM), Low Frequency Noise Detection

  • ASTM E3207-21 Standard Classification for Determination of Low-Frequency Impact Noise Ratings

GB-REG, Low Frequency Noise Detection

Professional Standard - Post and Telecommunication, Low Frequency Noise Detection

  • YD/T 647-1994 Quality grading criteria of HF and LF noise testers
  • YD/T 704-1993 Inspection and test methods for voice band modem
  • YD/T 641-1993 Technical requirement and test method of LF connectors for communication equipment

CZ-CSN, Low Frequency Noise Detection

  • CSN ISO 9295:1993 Acoustics. Measurement of high-frequency noise emitted by computer and business equipment

Professional Standard - Aerospace, Low Frequency Noise Detection

  • QJ 1323.18-1987 Electromagnetic relay test method Particle impact noise detection

BE-NBN, Low Frequency Noise Detection

  • NBN-ISO 5130:1992 Acoustics - Measurement of noise emitted by stationary road vehicles - Survey method
  • NBN-ISO 3746:1992 Acoustics. Determination of sound power levels of noise sources. Survey method

Danish Standards Foundation, Low Frequency Noise Detection

  • DS/ISO 5130:1984 Acoustics. Measurement of noise emitted by stationary road vehicles. Survey method
  • DS/ISO 4412-1:1989 Hydraulic fluid power. Test code for determination of airborne noise levels. Part 1: Pumps
  • DS/ISO 6081:1991 Acoustics. Noise emitted by machinery and equipment. Guidelines for the preparation of test codes of engineering grade requiring noise measurements at the operator's or bystander's position
  • DS/ISO 4412-2:1989 Hydraulic fluid power. Test code for determination of airborne noise levels. Part 2: Motors
  • DS/EN ISO 11690-3:1999 Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms
  • DS/ISO 5131:1983 Acoustics. Tractors and machinery for agriculture and forestry. Measurement of noise at the operator's position. Survey method
  • DS/ISO 5135:1985 Acoustics. Determination of sound power levels of noise from air terminal devices, high/low velocity/pressure assemblies, dampers and valves by measurement in a reverberation room
  • DS/EN ISO 15186-3:2010 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Part 3: Laboratory measurements at low frequencies

RO-ASRO, Low Frequency Noise Detection

  • STAS SR EN 29295-1995 Acoustics - Measurement of high-frecquency noise emitted by computer and business equipment
  • STAS 6661-1982 Transport acoustics NOISE EMITTED BY RAILWAY VE1I1CLES Methods for mcasurement and admissible limits

Standard Association of Australia (SAA), Low Frequency Noise Detection

  • AS 3756:1990 Acoustics - Measurement of high-frequency noise emitted by computer and business equipment

American Society of Mechanical Engineers (ASME), Low Frequency Noise Detection

  • ASME B56.11.5-1992 Measurements of sound emitted by low lift, high lift, and rough terrain powered industrial trucks
  • ASME B56.11.5-1992(R2000) Measurements of sound emitted by low lift, high lift, and rough terrain powered industrial trucks
  • ASME B56.11.5a Addenda-1994 Measurements of sound emitted by low lift, high lift, and rough terrain powered industrial trucks; Addenda

TIA - Telecommunications Industry Association, Low Frequency Noise Detection

  • TSB-30-1990 Sideband Spectrum Measurement Procedure for Transmitters Not Equipped with Audio Low-Pass Filter

PT-IPQ, Low Frequency Noise Detection

  • NP EN 1793-1-2000 Road traffic noise reducing devices Test method for determining the acoustic performance Part1:Intrinsic characteristics of sound absorption

Group Standards of the People's Republic of China, Low Frequency Noise Detection

  • T/CITS 0006-2022 Requirements for evaluating forerunner standard — Inspection and testing services of audio, video and similar electronic apparatus
  • T/GDCKCJH 063-2022 Performance requirements and testing methods for ultra-low frequency withstand voltage testers
  • T/CSTM 00422-2022 Non-destructive testing — B-scan test method for low and medium frequency ultrasonic guided waves based on magnetostrictive effect
  • T/CSTM 00423-2022 Non-destructive testing — Characterization and verification of low and medium frequency ultrasonic guided wave testing equipment based on magnetostrictive effect

International Electrotechnical Commission (IEC), Low Frequency Noise Detection

  • IEC PAS 62171:2000 Guidelines for particle impact noise detection (PIND) testing, operator training and certification

(U.S.) Joint Electron Device Engineering Council Soild State Technology Association, Low Frequency Noise Detection

  • JEDEC JEP114-1989 Guidelines for Particle Impact Noise Detection (PIND) Testing, Operator Training and Certification

IX-ECMA, Low Frequency Noise Detection

  • ECMA 108-2010 Measurement of High-frequency Noise emitted by Information Technology and Telecommunications Equipment (5th Edition)

Professional Standard - Press and Publication, Low Frequency Noise Detection

  • CY/T 64-2009 General parameters of Compact Disc Digital Audio (CD-DA)

European Committee for Standardization (CEN), Low Frequency Noise Detection

  • EN 23742:1991 Acoustics; determination of sound power levels of noise sources; precision method for discrete-frequency and narrow-band sources in reverberation rooms (identical with ISO 3742:1988)
  • EN 29295:1991 Acoustics - Measurement of High-Frequency Noise Emitted by Computer and Business Equipment
  • EN 23741:1991 Acoustics; determination of sound power levels of noise sources; precision methods for broad-band sources in reverberation rooms (identical with ISO 3741:1988)
  • EN 1793-3:1997 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum
  • EN 25135:1991 Acoustic; determination of sound power levels of noise from air terminal devices, high/low velocity/pressure assemblies, dampers and valves by measurement in a reverberation room (identical with ISO 5135:1984)
  • EN 1793-1:2017 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions
  • EN 1793-1:1997 Road Traffic Noise Reducing Devices - Test Method for Determining the Acoustic Performance - Part 1: Intrinsic Charateristics of Sound Absorption

American Gear Manufacturers Association, Low Frequency Noise Detection

  • AGMA 97FTM15-1997 Design, Generation, Stress Analysis and Test of Low-Noise, Increased Strength Face - Milled Spiral Bevel Gears

Guangxi Provincial Standard of the People's Republic of China, Low Frequency Noise Detection

  • DB45/T 1751-2018 Specification for low-frequency electromagnetic detection of atmospheric pressure metal storage tank bottom plate

International Organization for Standardization (ISO), Low Frequency Noise Detection

  • ISO 11843-7:2012 Capability of detection - Part 7: Methodology based on stochastic properties of instrumental noise
  • ISO 11843-7:2018 Capability of detection - Part 7: Methodology based on stochastic properties of instrumental noise
  • ISO 7832:1987 Cinematography; Photoelectric output factor of photographic-type audio-level test films; Measurement and calibration
  • ISO 7832:2014 Cinematography - Photoelectric output factor of photographic-type audio-level test films - Measurement and calibration

Professional Standard - Commodity Inspection, Low Frequency Noise Detection

  • SN/T 3194.1-2012 Methods for the test of audio,video and similar electronic apparatus for import and export.Part 1:Measurement for the power consumption of audio,video and related equipment
  • SN/T 1667.1-2005 Methods for the test of import and export mechanical and electrical commodity--Part 1:Measurement for the power consumption of audio,video and related equipment

Canadian Standards Association (CSA), Low Frequency Noise Detection

  • CSA Z107.4-M86-CAN3-1986 Pure Tone Air Conduction Audiometers for Hearing Conservation and for Screening Second Edition; General Instruction No 1
  • CSA Z107.6-M90-CAN/CSA-1990 Pure Tone Air Conduction Threshold Audiometry for Hearing Conservation First Edition; General Instruction No 1-2

European Committee for Electrotechnical Standardization(CENELEC), Low Frequency Noise Detection

  • EN 60704-3:2019 Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 3: Procedure for determining and verifying declared noise emission values
  • EN 60704-3:2006 Household and similar electrical appliances Test code for the determination of airborne acoustical noise Part 3: Procedure for determining and verifying declared noise emission values

CENELEC - European Committee for Electrotechnical Standardization, Low Frequency Noise Detection

  • EN 60704-3:1994 Test Code for the Determination of Airborne Acoustical Noise Emitted by Household and Similar Electrical Appliances Part 3: Procedure for Determining and Verifying Declared Noise Emission Values

Acoustical Society of America (ASA), Low Frequency Noise Detection

  • ASA S12.9 PART 7-2016 American National Standard Quantities and Procedures for Description and Measurement of Environmental Sound, Part 7: Measurement of Low-frequency Noise and Infrasound Outdoors in the Presence of Wind and Indoors in Occupied Spaces

ETSI - European Telecommunications Standards Institute, Low Frequency Noise Detection

  • TS 103 281-2017 Speech and multimedia Transmission Quality (STQ); Speech quality in the presence of background noise: Objective test methods for super-wideband and fullband terminals (V1.1.1; Includes Diskette)
  • TS 103 281-2018 Speech and multimedia Transmission Quality (STQ); Speech quality in the presence of background noise: Objective test methods for super-wideband and fullband terminals (V1.2.1; Includes Diskette)

Lithuanian Standards Office , Low Frequency Noise Detection

  • LST EN ISO 11690-3:2002 Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms (ISO/TR 11690-3:1997)

AENOR, Low Frequency Noise Detection

  • UNE-EN ISO 11690-3:1999 ACOUSTICS - RECOMMENDED PRACTICE FOR THE DESING OF LOW-NOISE WORKPLACES CONTAINING MACHINERY - PART 3: SOUND PROPAGATION AND NOISE PREDICTION IN WORKROOMS (ISO/TR 11690-3:1997).

(U.S.) Telecommunications Industries Association , Low Frequency Noise Detection

  • TIA/EIA-136-250-2001 TDMA Third Generation Wireless - Minimum Performance Standards for ACELP Voice Activity Detection (VAD)




Copyright ©2007-2023 ANTPEDIA, All Rights Reserved