Sound and Vibration Standards


BS 3383 : ISO 226
Specification for normal equal-loudness level contours


Standard Number : BS 3383:1988, ISO 226:1987
Title : Specification for normal equal-loudness level contours for pure tones under free-field listening conditions
Status : Superseded, Withdrawn
Publication Date : 29 February 1988
Confirm Date : 15 July 1999
Withdrawn Date : 03 September 2003
Replaced By : BS ISO 226:2003
Replaces : BS 3383:1961
 
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