The Federal Communications Commission (FCC) recently proposed requiring that when broadcast television stations or cable/satellite companies display emergency information visually during non-news programming, they must provide the same information aurally on a “secondary” audio stream.  When viewers tune to a channel, they ordinarily hear the primary audio stream; the secondary audio stream can be used to provide alternative audio, such as emergency information, translations of the programming into Spanish or other languages, or video description (meaning audio description of the actions taking place on screen).
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