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

[Tzafrir Cohen]

On Sat, Jan 27, 2007 at 10:20:40AM -0500, Matthew Rubenstein wrote:
> 	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
> required.
> 
> 	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?

H264 is video, not audio, right?

Are those all the patents relevant to H264 or are there any others that
Broadcom has aready licensed?

Anyway, GSM is nice. SPEEX is nicer and has no patent issues. It also 
works in other sample rates, which will eventually become handy.

-- 
               Tzafrir Cohen       
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