17.140.50 电声学 标准查询与下载
共找到 947 条与 电声学 相关的标准，共 64 页
Electroacoustics — Simulators of human head and ear — Part 5: 2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Audiometric equipment — Part 1: Equipment for pure-tone audiometry
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Measurement microphones — Part 6: Electrostatic actuators for determination of frequency response
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 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
- 2017-08-29
- 实施
Electroacoustics — Sound level meters — Part 3: Periodic tests
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Simulators of human head and ear — Part 6: Mechanical coupler for the measurement of bone vibrators
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 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
- 2017-08-29
- 实施
Electroacoustics — Measurement microphones — Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Hearing aids — Part 15: Methods for characterising signal processing in hearing aids with a speech-like signal
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Audiometric equipment — Part 2: Equipment for speech audiometry
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Audio-frequency induction loop systems for assisted hearing — Part 1: Methods of measuring and specifying the performance of system components
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics ― Simulators of human head and ear ― Part 7: Head and torso simulator for the measurement of hearing aids
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Simulators of human head and ear — Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Audiometric equipment — Part 1: Equipment for pure-tone audiometry
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 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
- 2017-08-29
- 实施
Hearing aids－Part 7：Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Hearing aids－Part 8：Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Octave-band and fractional-octave-band filters — Part 1: Specifications
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Measurement of real-ear acoustical performance characteristics of hearing aids
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
Electroacoustics — Simulators of human head and ear — Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts
- ICS
- 17.140.50
- CCS
- 发布
- 2017-08-29
- 实施
