Normal equal-loudness contours for pure tones under free field listening conditions

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GB 4963-1985 Normal equal-loudness contours for pure tones under free field listening conditions
Standard No.:	GB 4963-1985	Status:	ABOLISHED remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	3500 words	Price(USD):	105 (USD) remind me the price change Email:
Implemented on:	1985-10-01	Delivery:	via email in 1-3 business day
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Standard No.:	GB 4963-1985
Chinese Name:	自由场纯音标准等响线
English Name:	Normal equal-loudness contours for pure tones under free field listening conditions
Professional Classification:	A42 Physics and Mechanics
Professional Classification:	GB National Standard
Issued by:
Issued on:	1985-02-28
Implemented on:	1985-10-01
Status:	ABOLISHED
Replace By:	GB/T4963-2007 Acoustics—Normal equal-loudness-level contours
Replace By Date:	2008-05-01
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	105 (USD)
Delivery:	via email in 1-3 business day

GB 4963-1985 The following standards are cited：

GB 4963-1985 Cited by the following standards：

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