GB/T 4854.7-2008

Active

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions

声学校准测听设备的基准零级第7部分: 自由场与扩散场测听的基准听阈

Standard Type

GBT

ICS

17.140

CCS

A59

Status

现行

Issue Date

2008-07-02

Implementation

2009-02-01

Responsible Dept

中国科学院

Drafting Unit

N/A

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