Sound multiplex in broadcasting: Difference between revisions

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{{Short description|Method to deliver alternative audio feeds in television and radio}}

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

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==Standards==

{{Missing information|section|standard(s) for digital terrestrial TV, and another for satellite television|date=September 2018}}

;Analogue television

* [[EIAJ MTS]], a standard developed by [[Electronic Industries Association of Japan]] (EIAJ) in Japan

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** [[Second audio program]] (SAP), part of MTS

* [[NICAM|Near Instantaneous Companded Audio Multiplex]] (NICAM), a standard developed in the United Kingdom, and adopted in major European and Asia-Pacific countries

* [[Zweikanalton]] ({{aka}} A2 Stereo), a standard developed in Germany, and mainly adopted in Australia, Austria, Germany, Serbia, Croatia, Netherlands, South Korea and Switzerland

;Analogue radio

* [[Subsidiary communications authority]] (SCA), a standard developed in the United States, and also adopted in Canada

** [[FMeXtra]], a digital application of SCA

* [[HD Radio]], a proprietary digital standard also established and used in the U.S. and Canada

==External links==

* {{cite news |last1=Pollack |first1=Andrew |title=Japan's stereo TV system |url=https://www.nytimes.com/1984/06/16/business/japan-s-stereo-tv-system.html |accessdate=19 September 2018 |work=[[The New York Times]] |date=16 June 1984}}

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{{Video formats}}

{{Analogue TV transmitter topics}}

{{Audio broadcasting}}

{{Authority control}}

[[Category:Broadcasting]]

[[Category:Sound]]

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