17.140.50 电声学 标准查询与下载
共找到 948 条与 电声学 相关的标准，共 64 页
Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions
- ICS
- 17.140.50
- CCS
- 发布
- 2022-03-10
- 实施
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
- ICS
- 17.140.50
- CCS
- 发布
- 2022-02-04
- 实施
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
- ICS
- 17.140.50
- CCS
- 发布
- 2022-02-04
- 实施
This International Standard specifies the low frequency pressure calibration methods of hydrophones from 0,01 Hz to several kilohertz.
Underwater acoustics - Hydrophones - Calibration of hydrophones - Part 2: Procedures for low frequency pressure calibration (IEC 60565-2:2019); German version EN IEC 60565-2:2019
- ICS
- 17.140.50
- CCS
- 发布
- 2022-01-00
- 实施
- 2022-01-01
Electroacoustics - Hearing aids - Part 9: Methods of measurement of the performance characteristics of bone conduction hearing aids ((IEC 60118-9:2019) EN IEC 60118-9:2019) (german version)
- ICS
- 17.140.50
- CCS
- 发布
- 2021-11-01
- 实施
- 2021-11-01
Scales and sizes for plotting frequency characteristics and polar diagrams ((IEC 60263:2020) EN IEC 60263:2020) (german version)
- ICS
- 17.140.50
- CCS
- 发布
- 2021-11-01
- 实施
- 2021-11-01
Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration ((IEC 60645-3:2020) EN IEC 60645-3:2020) (german version)
- ICS
- 17.140.50
- CCS
- 发布
- 2021-11-01
- 实施
- 2021-11-01
Underwater acoustics - Hydrophones - Calibration of hydrophones - Part 1: Procedures for free-field calibration of hydrophones ((IEC 60565-1:2020) EN IEC 60565-1:2020) (german version)
- ICS
- 17.140.50
- CCS
- 发布
- 2021-10-01
- 实施
- 2021-10-01
This document specifies standard aspect ratios for logarithmic or decibel characteristics versus a logarithmic frequency axis and ranges for the radius of polar diagrams of level. Applications include hard copy printouts, electronic files (e. g., PDF files), scientific publicatio
Scales and sizes for plotting frequency characteristics and polar diagrams (IEC 60263:2020); German version EN IEC 60263:2020
- ICS
- 17.140.50
- CCS
- 发布
- 2021-10-00
- 实施
- 2021-10-01
This standard defines the STI model, test signals, measurement and prediction methods. The objective of this standard is to provide a comprehensive manual for all types of users of the STI model in the fields of audio, communications and acoustics.
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2020); German version EN IEC 60268-16:2020
- ICS
- 17.140.50
- CCS
- 发布
- 2021-10-00
- 实施
- 2021-10-01
Electroacoustics－Random incidence and diffuse-field calibration of sound level meters
- ICS
- 17.140.50
- CCS
- 发布
- 20210910
- 实施
- 20210910
Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 801: Acoustics and electroacoustics
- ICS
- 17.140.50
- CCS
- 发布
- 2021-09-03
- 实施
Ultrasonics -- Transducers -- Definitions and measurement methods regarding focusing for the transmitted fields (IEC 61828:2020)
- ICS
- 17.140.50
- CCS
- 发布
- 2021-09-02
- 实施
- 2021-09-02
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique (IEC 29/1084/CDV) (Amendment) (english version)
- ICS
- 17.140.50
- CCS
- 发布
- 2021-07-15
- 实施
- 2021-07-15
Electroacoustics -- Audiometric equipment -- Part 3: Test signals of short duration (IEC 60645-3:2020)
- ICS
- 17.140.50
- CCS
- 发布
- 2021-06-16
- 实施
- 2021-06-16
Electroacoustics - Simulators of human head and ear - Part 8: Acoustic coupler for highfrequency measurements of hearing aids and earphones coupled to the ear by means of ear inserts (IEC 29/1076/CDV) (english version)
- ICS
- 17.140.50
- CCS
- 发布
- 2021-06-01
- 实施
- 2021-06-01
Calculation of loudness for speech communication
- ICS
- 17.140.50
- CCS
- 发布
- 2021-06-00
- 实施
Head and torso simulator for telephonometry
- ICS
- 17.140.50
- CCS
- 发布
- 2021-06-00
- 实施
Electroacoustics -- Octave-band and 1/N (fractional) -octave-band filters -- Part 3: Periodic tests
- ICS
- 17.140.50
- CCS
- A47
- 发布
- 2021-05-20
- 实施
Electroacoustics -- Octave-band and 1/N (fractional) -octave-band filters -- Part 2: Pattern evaluation tests
- ICS
- 17.140.50
- CCS
- A47
- 发布
- 2021-05-20
- 实施
