[opendtv] Re: wm trials at different telcos using wm series
- From: Kon Wilms <kon@xxxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Tue, 17 May 2005 15:36:06 -0700
On Wed, 2005-05-18 at 02:31 +0530, Prashant Desai wrote:
> I have read that VC1 which is just subset of wm9 deliver the same quality
> video at approx half of the rate at which the mpeg-4 avc delivers the same
> video with same quality
I'd call that statement a bold-faced lie. :-)
> I personally have never seen the quality of video for any of these MPEG-4
> AVC or wm9 or VC1 on a TV set at same rate ......
See below.
> Are there any test results that been published by an independent entity for
> these ? If there is please point me to it, since we really in dilemma
> whether to go with mpeg-4 AVC or with VC1 or with proprietary wm9?
My personal suggestion would be AVC because you don't end up with vendor
lock-in. Check the forum section on www.doom9.org section 'new codecs'.
You'll find a number of comparison tests on encoded material. Nero
Digital pretty much has the best H.264 codec implementation on PCs
today. x264 will be the solution to use for cross-platform
Linux/BSD/Windows implementations - it is moving along rapidly.
Cheers
Kon
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