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BSI BS 3383:1988

Normal equal-loudness contours for pure tones and normal threshold of hearing under free-field listening conditions
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BSI BS 3383:1988

Normal equal-loudness contours for pure tones and normal threshold of hearing under free-field listening conditions

PUBLISH DATE 1988
PAGES 12
BSI BS 3383:1988

REAFFIRMED IN 1999

Specifies, for the condition of equal loudness and certain other stated conditions, relationships between sound pressure levels and frequencies of pure continuous tones.

These are expressed by means of a bilinear equation for the preferred frequencies in the one-third octave series from 20 to 12500 Hz.

A graphical illustration is included.

SDO BSI: British Standards Institution
Document Number 3383
Publication Date Feb. 29, 1988
Language en - English
Page Count
Revision Level
Supercedes
Committee EH/1
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