共找到 512 条与 声学计量 相关的标准,共 35 页
Covers a method of calculating the propagation of sound over distances of up to two kilometres, under a variety of meteorological and topographical conditions.
The calculation of sound propagation by the Concawe method
purpose of standard.
Methods for Manual Pure-Tone Threshold Audiometry
Guide for the measurement
Guide for the Measurement, Reporting, and Evaluation of Hull and Superstructure Vibration in Ships
이 규격은 음향 측정을 위한 추천 주파수에 대하여 규정한다. 추천 주파수는 ISO 3의
Acoustics-Preferred frequencies
이 규격은 특정 이어폰에서의 공기를 매개로 한 전도에서의 오디오미터의 보정에 적용되는
Acoustics-Reference zero for the cablibration of audiometric equipment-Part 5:Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
이 규격은 실제 귀에서 보청기의 음향학적 특성을 측정하는 절차와 요구되는 사항을 규정
Acoustics-Procedures for the measurement of real-ear acoustical characteristics of hearing aids
이 규격은 ISO 389:1991에서 규정된 것에 대한 추가적인 순음 청력 측정기의 교
Acoustics-Reference zero for the calibration of audiometric equipment-Part 2:Reference equivalent threshold sound pressure levelsfor pure tones and insert earphones
It is recommended to avoid extremely long rooms (Length >> Width, Height) and rooms with extremely low ceilings (Height
Speech processing devices for acoustic enhancement SERIES P: TELEPHONE TRANSMISSION QUALITY TELEPHONE INSTALLATIONS LOCAL LINE NETWORKS Subscribers' lines and sets Study Group 12; Covering Note Amendment 1: 9/2003
Guide for the Measurement and Evaluation of Vibration of Shipboard Machinery
Guide for the Measurement and Evaluation of Vibration of Shipboard Machinery
Guide for the measurement
Guide for the Measurement and Evaluation of Vibration of Machine Shafts on Shipboard Machinery
Acoustics Measurement of noise and vibration of small air-moving devices- Part 2: Structure-borne vibration Supersedes S12.11:1987
Acoustics ?Measurement of noise and vibration of small air-moving devices- Part 2: Structure-borne vibration
This standard specifies laboratory-based procedures for measuring, analyzing, and reporting the noise-reducing capabilities of hearing protection devices.
Acoustics ?Measurement of noise and vibration of small air-moving devices, Part 1: Airborne noise emission [Superseded: ASA S12.11]
Mechanical Vibration and Shock - Evaluation of Human Exposure to Whole Body Vibration - Part 4: Guidelines for the Evaluation of the Effects of Vibration and Rotational Motion on Passenger and Crew Comfort in Fixed-Guideway Transport Systems ISO 2631-4:2
Mechanical Vibration and Shock - Evaluation of Human Exposure to Whole Body Vibration - Part 4: Guidelines for the Evaluation of the Effects of Vibration and Rotational Motion on Passenger and Crew Comfort in Fixed-Guideway Transport Systems ISO 2631-4:2
Specifies two parameters of the audible emergency evacuation signal, that is, the temporal pattern and the required sound pressure level at all places within the intended signal reception area. It applies to the audible signal and not to the individual s
Acoustics - Audible emergency evacuation signal
Mechanical Vibration and ShockEvaluation of Human Exposure to Whole-Body VibrationPart 1: General Requirements ISO 2631-1:1997 [: ASA S2.72 PART 1]
Mechanical Vibration and ShockEvaluation of Human Exposure to Whole-Body VibrationPart 1: General Requirements ISO 2631-1:1997 [: ASA S2.72 PART 1]
American national standard specification for sound leval meters.
Guidelines for the Measurement and Evaluation of Vibration of Ship Propulsion Machinery
American national standards on acounstics.
Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools
Acoustics ?Determination of Sound Power Levels of Noise Sources using Sound Pressure Comparison Method in Situ
Acoustics ?Determination of Sound Power Levels of Noise Sources using Sound Pressure Comparison Method in Situ
Acoustics Determination of Sound Power Levels of Noise Sources using Sound Pressure Precision Method for Reverberation Rooms Technical Corrigendum 1 - 2001
Acoustics Determination of Sound Power Levels of Noise Sources using Sound Pressure Precision Method for Reverberation Rooms Technical Corrigendum 1 - 2001 [Replaced: ASA S12.31, ASA S12.32]
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