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

[Paul]

Steve Kennedy wrote:

>On Sat, Jan 27, 2007 at 10:20:40AM -0500, Matthew Rubenstein wrote:
>
>  
>
>>	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?
>>    
>>
>
>G.729 is $10 from Digium. If you want to go license several thousand
>codecs (or probably more like 10's of thousands) I think the Sipro
>license is more like a couple of bucks. Unfortunately you have to
>license a large number in one go, so the initial set-up is very high.
>
>Digium have done a deal (I presume) whereby they've taken the intial hit
>and are just sub-licensing at a cost which make it whorth while for them.
>  
>
Digium is providing a product that includes all the required software
and patent licenses. You could buy a million sipro licenses but you
still need to develop, buy or license software to implement the codec.