Mobile DTV Reception - Advanced-Vestigial Side-Band (A-VSB)

[Rodolfo]

As I mentioned in my previous articles I am concerned with the bandwidth required for the A-VSB mobile transmission taken from the 8-VSB transmitted channel of DTV terrestrial television, an issue that I particularly consider a risky opportunity to further degrade the quality of full HDTV channels.

Many broadcasting stations are already using part of the HDTV 6 MHz channel (19.4 Mbps) to transmit several simultaneous multi-cast SD channels, and those are already degrading considerably the quality of the once alone HD channel, reducing its available bandwidth to close to half of the 19.4 Mbps, a bandwidth it requires to show acceptable quality.

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