A59 声学计量 标准查询与下载
共找到 511 条与 声学计量 相关的标准，共 35 页
GB/T7341 的本部分规定了3 种类型耳声阻抗/导纳的测量仪器的性能和为这些仪器提供的设施条件,及用于验收试验和指导常规校准的测试方法。 本部分适用于使用规定的纯音探测信号测量人外耳道中声阻抗/导纳的仪器,也适用于使用其他探测信号的本类仪器。 本部分旨在保证符合本部分的各类仪器,在可比的测试条件下的一致性。 本部分无意约束新特性的开发或引入,也不妨碍技术方法的革新。
Electroacoustics.Audiometric equipment.Part 5:Instruments for the measurement of aural acoustic impedance/admittance
- ICS
- 17.140.50
- CCS
- A59
- 发布
- 2018-06-07
- 实施
- 2019-01-01
Acoustics—Procedures for determination of transmission loss, flow noise and total pressure loss coefficient for arrayed element dissipative silencers—Equivalent measurement
- ICS
- 91.120.20
- CCS
- A59
- 发布
- 2018-03-15
- 实施
- 2018-10-01 00:00:00.0
Acoustics—Specification of test tracks for measuring noise emitted by road vehicles and their tyres
- ICS
- 17.140
- CCS
- A59
- 发布
- 2018-03-15
- 实施
- 2018-10-01 00:00:00.0
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 1: Airborne noise measurement
- ICS
- 17.140
- CCS
- A59
- 发布
- 2018-03-15
- 实施
- 2018-10-01 00:00:00.0
Acoustics—Audiometric test methods—Part 1: Pure-tone air and bone conduction audiometry
- ICS
- 17.140
- CCS
- A59
- 发布
- 2018-03-15
- 实施
- 2018-10-01 00:00:00.0
Acoustics—Measurement of room acoustic parameters—Part 1: Performance spaces
- ICS
- 91.120.20
- CCS
- A59
- 发布
- 2018-03-15
- 实施
- 2018-10-01 00:00:00.0
Acoustics—Measurement of room acoustic parameters—Part 3: Open plan offices
- ICS
- 91.120.20
- CCS
- A59
- 发布
- 2018-03-15
- 实施
- 2018-10-01 00:00:00.0
GB/T 36075的本部分规定了普通房间混响时间的测量方法、测量步骤、测量设备、测点数量、结果评价和测试报告式样。 测量结果可用于声源声压级测量和隔声测量等声学测量中修正项的计算，并可用于与房间的混响时间设计要求进行比较。
Acoustics—Measurement of room acoustic parameters—Part 2: Reverberation time in ordinary rooms
- ICS
- 91.120.20
- CCS
- A59
- 发布
- 2018-03-15
- 实施
- 2018-10-01 00:00:00.0
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 2: Structure-borne vibration measurements
- ICS
- 17.140
- CCS
- A59
- 发布
- 2018-03-15
- 实施
- 2018-10-01 00:00:00.0
Acoustics—Audiometric test methods—Part 3: Speech audiometry
- ICS
- 17.140
- CCS
- A59
- 发布
- 2017-12-29
- 实施
- 2018-04-01 00:00:00.0
Acoustics—Determination of dynamic stiffness—Part 1: Materials used under floating floors in dwellings
- ICS
- 91.120.20
- CCS
- A59
- 发布
- 2017-12-29
- 实施
- 2018-04-01 00:00:00.0
Acoustics—Measurement of sound insulation in buildings and of building elements—Part 18: Laboratory measurement of sound generated by rainfall on building elements
- ICS
- 91.120.30
- CCS
- A59
- 发布
- 2017-12-29
- 实施
- 2018-04-01 00:00:00.0
1.1 概述本标准规定了在满足给定条件的测试环境中,根据包围噪声源(机械或设备)表面上测得的声压级来确定噪声源声功率级或声能量级的方法。 利用这些测量可计算出噪声源所产生的A计权声功率级(或猝发声和瞬态噪声的A计权声能量级)。 注:不同形状测量面会对给定的同一噪声源得出不同声功率级估值。 GB/T19052—2003 中相应的测试规程给出了测量面选取的详细资料。 1.2 噪声及噪声源种类
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane
- ICS
- 17.140
- CCS
- A59
- 发布
- 2017-12-29
- 实施
- 2018-04-01 00:00:00.0
Acoustics—Measurements of sound pressure level emitted by stationary road vehicles
- ICS
- 17.140
- CCS
- A59
- 发布
- 2017-12-29
- 实施
- 2018-04-01 00:00:00.0
Sound system equipment—Part 16: Objective rating of speech intelligibility by speech transmission index
- ICS
- 17.140;33.160
- CCS
- A59
- 发布
- 2017-11-01
- 实施
- 2018-05-01 00:00:00.0
Electroacoustics—Measurement microphones—Part 6: Electrostatic actuators for determination of frequency response
- ICS
- 17.140.50
- CCS
- A59
- 发布
- 2017-11-01
- 实施
- 2018-05-01 00:00:00.0
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room
- ICS
- 17.140
- CCS
- A59
- 发布
- 2017-11-01
- 实施
- 2018-05-01 00:00:00.0
Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 5: Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion
- ICS
- 17.140
- CCS
- A59
- 发布
- 2017-11-01
- 实施
- 2018-05-01 00:00:00.0
Acoustics—Estimation of noise-induced hearing loss
- ICS
- 17.140
- CCS
- A59
- 发布
- 2017-11-01
- 实施
- 2018-05-01 00:00:00.0
Acoustics and vibration―Laboratory measurement of vibro-acoustic transfer properties of resilient elements―Part 4: Dynamic stiffness of elements other than resilient supports for translatory motion
- ICS
- 17.140
- CCS
- A59
- 发布
- 2017-11-01
- 实施
- 2018-05-01 00:00:00.0
