Is audio included in the BT.565 decoder output?
NTSC Video decoder chips make no mention of audio.
I believe that Ancillary digital information covers Audio, closed captioning, teletext etc. That may be transmitted during blanking interval.
I will check with someone here to provide a definitive answer for this
The BT.656 standard is only for video, not audio. Please explain what do you want to do like transmit over HDMI? This would help us to provide the best solution for you.
NTSC only defines video data. Audio is carried in a separate frequency band that requires a different chip to decode.
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