
发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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Instruments for the measurement of aural acoustic impedance/admittance
本标准包括仪器设计,主要是用226Hz探头音测量外耳声阻抗/导纳的模量。本标准还明确了由生产厂规定的特性,给出了4种型别的性能指标以及为其中三种型别所应提供的设施。还规定了例行校准之外的型式批准测试所用的方法。 本标准旨在保证用符合本标准的不同仪器而测试条件可比的测量可以吻合。本标准
Instruments for the measurement of aural acoustic impedance/admittance
Program of Pattern Evaluation for Measuring Instruments of Aural Acoustic Impedance/Admittance
GB/T 7341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
Electroacoustics.Audiometric equipment.Part 5:Instruments for the measurement of aural acoustic impedance/admittance
本标准规定了单通道声阻抗检测仪(以下简称声阻仪)的术语和定义、要求、检验方法、检验规则和标志、包装、运输、贮存等内容。本标准适用于单通道声阻仪,对于多通道或者其他形式的声阻仪可参照执行
Non-destructive testing instruments - Single channel acoustic impedance instrument
Instruments for the measurement of aural acoustic impedance/admittance
Provides specifications for instruments designed to measure acoustic impedance, acoustic admittance, or both quantities, within the human external ear
Specifications for Instruments to Measure Aural Acoustic Impedance and Admittance (Aural Acoustic Immittance)
Provides specifications for instruments designed to measure acoustic impedance, acoustic admittance, or both quantities, within the human external ear
Specifications for Instruments to Measure Aural Acoustic Impedance and Admittance (Aural Acoustic Immittance)
Instruments for the measurement of aural acoustic impedance/admittance (IEC 1027:1991)
This standard specifies a procedure for calculating the monaural and binaural loudness experienced by listeners with normal hearing under
Specifications for Instruments to Measure Aural Acoustic Impedance and Admittance (Aural Acoustic Immittance)
本规范规定了耳声发射测量仪的计量特性、校准条件和校准方法。 本规范适用于耳声发射测量仪的校准
Calibration Specification for Measurement Instruments of Otoacoustic Emissions
Instruments for the measurement of aural acoustic impedance/admittance (IEC 1027:1991)
Electroacoustics-Audiometric equipment-Part 5:Instruments for the measurement of aural acoustic impedance/admittance
Electroacoustics — Audiometric equipment — Part 5:Instruments for the measurement of aural acoustic impedance/admittance
1.1 GB/T 18696的本部分规定了测定法向入射时吸声材料和结构的吸声系数、反射因数和表面声阻抗率或表面声导纳率的方法,这些数据是根据阻抗管中法向入射条件下入射正弦平面波和从试件反射回来的平面波叠加后产生的驻波图测定的。由于只需少量的吸声材料作试件,所以它对于吸声材料的参数研究和设计
Acoustics-Determination of sound absorption coefficient and impedance in impedance tubes-Part 1:Method using standing wave ratio
传递函数法测定法向入射条件下吸声材料的吸声系数,涉及阻抗管的使用、两个传声器的位置和数字频率分析系统。本方法也能用来测定吸声材料的表面声阻抗率或表面声导纳率。由于吸声材料的声阻抗率与它的物理特性(诸如流阻、孔隙率、弹性模量和密度)有关,所以本标准规定的测量方法在有关的基础研究和产品开发方面
Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes Part 2: Transfer function method
Calibration Specification for Audiometric Equipment—Instruments for the Measurement of Otoacoustic Emissions
Electroacoustics — Audiometric equipment — Part 6: Instruments for the measurement of otoacoustic emissions
Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions
Electroacoustics - Audiometric equipment - Part 6 : instruments for the measurement of otoacoustic emissions
Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions
Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions
Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions
Electroacoustics - Audiometric equipment - Part 5: Instruments for the measurement of aural acoustic impedance/admittance
本规范适用于吸收空气声的吸声材料和吸声构件。采用驻波管测量法向入射时的吸声系数和法向声阻抗率
Measurement of sound-absorbing coefficient and sound-resistance rate by method of standing wave tubes
Instruments for the measurement of aural acoustic impedance/admittance.
Specifies a method for the determination of the sound absorption coefficient, reflection factor, surface impedance or admittance of materials
Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1: Method using standing wave ratio
本标准规定一种阻塞耳道腔模拟器,用以校准耳塞机在100~10000Hz频率范围内人耳鼓膜处的声压。 设计本模拟器也为日后进一步模拟完整耳道供校准用的敞模器件或类似器件打下基础。此类模拟器件的文件正在考虑中。 本标准引用了SJ/Z 9144-87(IEC 126号)标准:测量助听器
Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts








