发布时间：2024-05-27 17:49:26 - 更新时间：2024年06月29日 15:22
点击量：0
有样品要送检？试试一键送检，5分钟极速响应
在线提交检测需求
对接客服咨询检测
本标准规定了装有扩声设备的厅堂声学特性测量方法。 本标准适用于装有扩声设备的各类厅堂及其他场所的声学特性测量。 本标准不排斥能得到同等精度的其他测量方法
Methods of measurement for the characteristics of sound reinforcement in auditoria
本标准规定了装有扩声系统的厅堂声学特性测量方法。 本标准适用于装有扩声系统的各类厅堂(如剧院、多功能厅、会议厅、体育馆等及其他类似场所）的声学特性测量。体育场的声学特性测量也可参照
Methods of measurement for the characteristics of sound reinforcement in auditoria
Indices of acoustic characteristics for sound reinforcement system in halls and rooms
Acoustic performance indicators of sound reinforcement system in theatrical performance venues
Acoustics - Sound-scattering properties of surfaces - Part 2: Measurement of the directional diffusion coefficient in a free field
Acoustics. Sound-scattering properties of surfaces. Measurement of the directional diffusion coefficient in a free field
This part of ISO 17497 specifies a method of measuring the random-incidence scattering coefficient of surfaces as caused by surface roughness
Acoustics - Sound scattering properties of surfaces - Measurement of the random-incidence scattering coefficient in a reverberation room
Acoustical characteristics and measurement methods for the sound reinforcement system in ballroom
GB／T 21228的本部分规定了由表面粗糙度引起的表面规入射声散射系数的测量方法。应在混 响室中以足尺模型或实物缩尺模型进行测量。测量结果可用来描述有多少来自表面的声反射偏离了镜 面反射。其结果还可用于与室内声学和噪声控制有关的对比和设计计算。 本方法不适
Acoustics - Sound-scattering properties of surfaces - Part 1: Measurement of the random-incidence scattering coefficient in a reverberation room
Prezentul standard stabile?te principalele caracteristici telinice care se au ?n vedere la schimbul interna?ional de filme test pentru sunet
Cinematography PHOTOGRAPHIC - MONOPHONIC SOUND TESTTTT.MS Technical carachteristics
Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Intrinsic characteristics. Airborne sound insulation in the laboratory under diffuse sound field co
This European Standard specifies the laboratory method for measuring the airborne sound insulation of noise barriers. It covers the assessment
Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation in the laboratory under diffuse s
Integrated Services Digital Network (ISDN); Videotelephony Teleservice; Part 2: Electroacoustic Characteristics for 3,1 kHz Bandwidth Loudspeaking and Handsfree Terminals
This International Standard describes a test method for measuring, in situ, the sound absorption coefficient of road surfaces as a function
Acoustics - Measurement of sound absorption properties of road surfaces in situ - Part 1: Extended surface method (ISO 13472-1:2002)
Acoustics. Sound-scattering properties of surfaces. Part 2. Measurement of the directional diffusion coefficient in a free field
本标准规定了装有扩声设备的厅堂声学特性测量方法。 本标准适用于装有扩声设备的各类厅堂及其他场所的声学特性测量。 本标准不排斥能得到同等精度的其他测量方法
Methods of measurement for the characteristics of sound reinforcement in auditoria
本标准规定了装有扩声系统的厅堂声学特性测量方法。 本标准适用于装有扩声系统的各类厅堂(如剧院、多功能厅、会议厅、体育馆等及其他类似场所）的声学特性测量。体育场的声学特性测量也可参照
Methods of measurement for the characteristics of sound reinforcement in auditoria
Indices of acoustic characteristics for sound reinforcement system in halls and rooms
Acoustic performance indicators of sound reinforcement system in theatrical performance venues
Acoustics - Sound-scattering properties of surfaces - Part 2: Measurement of the directional diffusion coefficient in a free field
Acoustics. Sound-scattering properties of surfaces. Measurement of the directional diffusion coefficient in a free field
This part of ISO 17497 specifies a method of measuring the random-incidence scattering coefficient of surfaces as caused by surface roughness
Acoustics - Sound scattering properties of surfaces - Measurement of the random-incidence scattering coefficient in a reverberation room
Acoustical characteristics and measurement methods for the sound reinforcement system in ballroom
GB／T 21228的本部分规定了由表面粗糙度引起的表面规入射声散射系数的测量方法。应在混 响室中以足尺模型或实物缩尺模型进行测量。测量结果可用来描述有多少来自表面的声反射偏离了镜 面反射。其结果还可用于与室内声学和噪声控制有关的对比和设计计算。 本方法不适
Acoustics - Sound-scattering properties of surfaces - Part 1: Measurement of the random-incidence scattering coefficient in a reverberation room
Prezentul standard stabile?te principalele caracteristici telinice care se au ?n vedere la schimbul interna?ional de filme test pentru sunet
Cinematography PHOTOGRAPHIC - MONOPHONIC SOUND TESTTTT.MS Technical carachteristics
Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Intrinsic characteristics. Airborne sound insulation in the laboratory under diffuse sound field co
This European Standard specifies the laboratory method for measuring the airborne sound insulation of noise barriers. It covers the assessment
Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation in the laboratory under diffuse s
Integrated Services Digital Network (ISDN); Videotelephony Teleservice; Part 2: Electroacoustic Characteristics for 3,1 kHz Bandwidth Loudspeaking and Handsfree Terminals
This International Standard describes a test method for measuring, in situ, the sound absorption coefficient of road surfaces as a function
Acoustics - Measurement of sound absorption properties of road surfaces in situ - Part 1: Extended surface method (ISO 13472-1:2002)
Acoustics. Sound-scattering properties of surfaces. Part 2. Measurement of the directional diffusion coefficient in a free field
首页
点击咨询
