astra digital radio

Computing Dictionary

Astra Digital Radio definition

audio
Digital Radio over satellite, compatible with analog television transmissions. Alternatively the normal TV subcarriers can be modulated by a MPEG-1 Layer-2 48 kHz 192 kbps signal. Quality is better than analog carriers and only needs half the bandwidth (analog stereo = 2 carrier, digital stereo = 1 carrier). Quality is limited and the data rate can't be increased.
(2001-12-13)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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