• BS 3383:1988

BS 3383:1988

Specification for normal equal-loudness level contours for pure tones under free-field listening conditions

BSI Group , 02/29/1988

Publisher: BS

File Format: PDF

$95.00$190.50


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.

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