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Sound multiplex in broadcasting

From Wikipedia, the free encyclopedia

In broadcasting, sound multiplex is a method to deliver alternative audio feeds on television and radio channels.

Usage

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This way, a television or radio channel can carry surround sound (like stereo or 5.1 surround sound), or alternative audio programming where an audio track in different language, alternative sports commentary, or audio description for people with visual impairment can be heard.

Standards

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Analogue television
Analogue radio
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  • Pollack, Andrew (16 June 1984). "Japan's stereo TV system". The New York Times. Retrieved 19 September 2018.