h.264 format is now open?

Dean Collins Dean at cognation.net
Sat Jan 27 18:33:54 CET 2007

There are some discussions going on in the asterisk list this morning
concerning this. It may not be as clear cut as indictaed.

(original asterisk email listed below)



Dean Collins
Cognation Pty Ltd
dean at cognation.net <mailto:dean@'spam-me'cognation.net>  
+1-212-203-4357 Ph


From: community-bounces at lists.openmoko.org
[mailto:community-bounces at lists.openmoko.org] On Behalf Of el jefe
Sent: Saturday, 27 January 2007 12:06 PM
To: community at lists.openmoko.org
Subject: h.264 format is now open?



It looks like the MP4 (or M4V) video format is now no longer covered by
patents, if I am readig this correctly (and if the article is accurate.)
Due to it being a high-resolution phone, and assuming that we'll watch
video on it anyway, there should be efforts towards implementing this! 







-----Original Message-----

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Matthew

Sent: Saturday, 27 January 2007 10:21 AM

To: Asterisk-Users

Subject: [asterisk-users] H.264 *Not Patented*


            The H.264 codec patent by Qualcomm has been ruled invalid by
a San Diego Federal jury:

http://www.eetimes.com/news/semi/showArticle.jhtml?articleID=197001066 .

That means that H.264 codecs can now be written, distributed and revised
freely under any license their authors choose, including GPL, public
domain, or any other, and $free now that royalties are no longer


            How does H.264 compare with GSM and G.729 in CPU demand
(MIPS:Kbps) and audio quality at low bitrates? GSM is $free, but G.729
is higher quality (tho patented with at least $10 per running codec
instance royalties).

Will H.264 become the favorite high-quality Asterisk codec, or will it
perhaps force G.729 to become free, or negligibly cheaper?



(C) Matthew Rubenstein



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