Jisho

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おんせいじゅうほうそう 音声多重放送
Noun
1. multiplex broadcast or transmission
Wikipedia definition
2. Second audio programSecond audio program (SAP), also known as secondary audio programming, is an auxiliary audio channel for analog television that can be broadcast or transmitted both over the air and by cable TV.
Read “Second audio program” on English Wikipedia
Read “音声多重放送” on Japanese Wikipedia
Read “Second audio program” on DBpedia

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