Standard Number BS 4198:1967
Title Method for calculating loudness
Abstract Procedures for calculating the loudness experienced by a typical listener. Method A is designed specifically for the
types of broad band spectrum most commonly encountered, whilst method B may be used with all types of spectrum.
The procedures are designed for noises that are steady rather than intermittent.
Status Withdrawn
Publication Date 14 September 1967
Confirm Date 15 September 1992
Withdrawn Date 01 June 2007
Cross References BS 3045, BS 3489
International Relationships ISO/R 532 Equivalent
Draft Superseded D65/791 DC
Descriptors Volume (sound), Acoustic properties and phenomena, Mathematical calculations, Graphical methods,
Audiofrequencies, Acoustic measurement
ICS 17.140.01 (Acoustic measurements and noise abatement in general)
Committee EH/1
Notes This standard has been withdrawn as it is no longer used in industry.
| BSI approved for the hire of noise and vibration instruments |