A recent innovation in FM broadcasting provides extended-range noise-reduced stereo reception, compatibly, with the existing service. Signal redundancy permits the use of an infinity-to-one slope amplitude compressor at the transmitter; at the receiver, an expander is employed which adapts to be precisely complementary to the compressor. This novel form of audio companding offers major advantages over conventional noise reduction methods.

Authors: Gravereaux, Daniel W.; Stebbings, David W.; Kadin, Jeffrey B.; Cugnini, Aldo G.
Affiliation: CBS Technology Center, Stamford, CT
AES Convention: 78 (May 1985) Paper Number: 2257
Publication Date: May 1, 1985
Subject: Audio Engineering in Broadcasting

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