BS 3383:1961
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Normal equal-loudness contours for pure tones and normal threshold of hearing under free-field listening conditions
Hardcopy
English
19-05-1961
23-07-2013
Frequency range 20 to 15 000 c/s, under stated conditions, relations between sound pressure level and frequency for pure-tones of equal loudness, values for threshold of hearing. For otologically normal persons aged 18 to 25. Correction formulae for otologically normal persons up to 60 years.
| Committee |
EH/1
|
| DevelopmentNote |
PARTIALLY SUPERSEDED BY BS 6951(1988)
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| DEFSTAN 00-25(PT8)/1(1989) : 1989 | HUMAN FACTORS FOR DESIGNERS OF EQUIPMENT - PART 8: AUDITORY INFORMATION |
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