Astra Digital Radio

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)