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BS 4198:1967

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BS 4198:1967 Method for calculating loudness

standard by BSI Group, 09/14/1967

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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.

Cross References: BS 3045*BS 3489*