[opendtv] Re: USDTV switching to MPEG4

  • From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
  • To: <opendtv@xxxxxxxxxxxxx>
  • Date: Thu, 20 Apr 2006 15:35:04 -0400

Dale Kelly wrote:

> USDTV Switching to MPEG-4 AVC Compression

By means of a USB plug-in device, added to USDTV STBs, which transcodes
the incoming AVC into MPEG-2 H.262 compression, which is then processed
by the existing STB MPEG decoder.

Interesting approach. Not a software upgrade to the old STB, as I had
expected. This approach resolves the processing power shortcomings of
older MPEG decoders by adding an outboard co-processor, essentially,
rather than hope the old processor had enough umph to handle AVC.

The MPEG decoder will suddenly be presented with about twice as many
subchannels as it thought were possible.

Bert
 
 
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