02-10-2023, 09:46 AM
Audio description is one use for it, as long as other viewers didn't mind watching the same programme in mono. Not really a long term solution especially when they were promoting stereo so much.
However it was an option looked at for AD as mentioned in here about the Audetel project that the IBAs successors were part in 1991
cordis.europa.eu
AIUI a working Audetel system was developed, using VBI lines for the audio, but it wasn't cost effective and of course required a seperate set top box.
However it was an option looked at for AD as mentioned in here about the Audetel project that the IBAs successors were part in 1991
cordis.europa.eu
AIUI a working Audetel system was developed, using VBI lines for the audio, but it wasn't cost effective and of course required a seperate set top box.