[opendtv] Re: (S) DTV adaptors available for less than 50 euros in France
- From: Gary Hughes <ghughesml@xxxxxxxxxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Tue, 20 Sep 2005 14:30:58 -0400
At 01:58 PM 9/20/2005 -0400, Manfredi, Albert E wrote:
>One thing I was wondering was why not create a "default"
>I frame in the receiver, built from the first available
>P frame and some place fillers. So when channel surfing,
>the receiver would sync up quickly, provide audio, a
>bad picture at first, then improved picture as real I
>frames show up or after a scene change?
That is how existing decoders deal with the "infinite GOP"/
"progressive refresh" MPEG-2 streams. The visible effect is
that the picture builds up as a mosaic over a few seconds
until you have a complete picture. Looks cool the first time
you see it; after that it is just annoying.
gary
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