GB/T 7584.1-2004 English Version, GB/T 7584.1-2004 Acoustics - Hearing Protectors - Part 1:Subjective method for the measurement of sound attenuation (English Version)

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Position: Chinese Standard in English/GB/T 7584.1-2004

GB/T 7584.1-2004 Acoustics - Hearing Protectors - Part 1:Subjective method for the measurement of sound attenuation (English Version)
Standard No.:	GB/T 7584.1-2004	Status:	valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	4000 words	Translation Price(USD):	120.0 remind me the price change Email:
Implemented on:	2004-12-1	Delivery:	via email in 1~3 business day

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Standard No.:	GB/T 7584.1-2004
English Name:	Acoustics - Hearing Protectors - Part 1:Subjective method for the measurement of sound attenuation
Chinese Name:	声学护听器第1部分：声衰减测量的主观方法
Chinese Classification:	C73 Articles for labor protection
Professional Classification:	GB National Standard
ICS Classification:	13.340.20 13.340.20 Head protective equipment 13.340.20
Source Content Issued by:	AQSIQ;SAC
Issued on:	2004-3-15
Implemented on:	2004-12-1
Status:	valid
Superseding:	GB 5893.3-1986 护耳器主观测量方法
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	120.0
Delivery:	via email in 1~3 business day

GB/T 7584.1-2004 is referred in:

*GB/T 12060.7-2013 Sound System Equipment - Part 7: Methods of Measurement on Headphones and Earphones
*GB/T 31422-2015 Personal protective equipment―General technical requirements for hearing protectors

Standard

GB/T 7584.1-2004 Acoustics - Hearing Protectors - Part 1:Subjective method for the measurement of sound attenuation (English Version)
Standard No.	GB/T 7584.1-2004
Status	valid
Language	English
File Format	PDF
Word Count	4000 words
Price(USD)	120.0
Implemented on	2004-12-1
Delivery	via email in 1~3 business day

Detail of GB/T 7584.1-2004

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Keywords

Introduction of GB/T 7584.1-2004

GB/T 7584的本部分规定了在听阈处测定护听器的声衰减值的主观测量方法。本方法和步骤，是为了测定接近于护听器的最大声衰减值而设计的，这种声衰减值在通常声场测试条件下是得不出来的。因为使用这种方法所得出的衰减值总是可以再现的，所以一直被广为采用。这些值只反映在使用者按“受试者”相同的方式戴护听器时的扩听器声衰减性能。此测量法是在低声压级(接近听阀)获得的数据，也可反映护听器在较高声压级下的衰减值。但对于声衰减与声压振幅密切相关的护听器，当声压级超过其相关特性有效点时，此测量方法不适用。因为在这种声压级，用本部分规定的方法常会低估护听器的声衰减值。

Contents of GB/T 7584.1-2004

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Keywords:
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