Comments on: Wideband codecs and IPR http://www.wirevolution.com/2008/12/04/wideband-codecs-and-ipr/ Mobile Unified Communications Sat, 10 Jul 2010 23:44:18 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: Wirevolution » Skype’s SILK codec available royalty free to third parties http://www.wirevolution.com/2008/12/04/wideband-codecs-and-ipr/comment-page-1/#comment-844 Wirevolution » Skype’s SILK codec available royalty free to third parties Fri, 03 Apr 2009 02:40:36 +0000 http://www.wirevolution.com/2008/12/04/wideband-codecs-and-ipr/#comment-844 [...] wrote earlier about the need for royalty-free wideband codecs, and about a conversation with Jonathan Christensen about SILK, Skype’s new super-wideband [...] [...] wrote earlier about the need for royalty-free wideband codecs, and about a conversation with Jonathan Christensen about SILK, Skype’s new super-wideband [...]

]]> By: Michael http://www.wirevolution.com/2008/12/04/wideband-codecs-and-ipr/comment-page-1/#comment-810 Michael Tue, 06 Jan 2009 15:31:09 +0000 http://www.wirevolution.com/2008/12/04/wideband-codecs-and-ipr/#comment-810 Xiph.org codecs are released under <a href="http://www.speex.org/docs/manual/speex-manual/node15.html#sec:Speex-License" rel="nofollow">Xiph's version of the (revised) BSD license</a>, which means that you can distribute them provided you include a notice in the documentation. There is no patent pool for G.722.2 (AMR-WB). Each of the companies that currently claims patent rights on AMR-WB (<a href="http://www.voiceage.com/licensing.php" rel="nofollow">VoiceAge</a>, <a href="http://www.nokia.com/A4126689" rel="nofollow">Nokia</a> and Ericsson) must be negotiated with individually. Wideband versions of G.711 and G.729 are licensed from <a href="http://www.sipro.com/" rel="nofollow">Sipro</a>. None of these (xiph, VoiceAge, Sipro, Nokia, Ericsson) appear as members of IPsupermarket.com. Xiph.org codecs are released under Xiph’s version of the (revised) BSD license, which means that you can distribute them provided you include a notice in the documentation.

There is no patent pool for G.722.2 (AMR-WB). Each of the companies that currently claims patent rights on AMR-WB (VoiceAge, Nokia and Ericsson) must be negotiated with individually.

Wideband versions of G.711 and G.729 are licensed from Sipro.

None of these (xiph, VoiceAge, Sipro, Nokia, Ericsson) appear as members of IPsupermarket.com.

]]> By: keanu http://www.wirevolution.com/2008/12/04/wideband-codecs-and-ipr/comment-page-1/#comment-809 keanu Tue, 06 Jan 2009 04:31:30 +0000 http://www.wirevolution.com/2008/12/04/wideband-codecs-and-ipr/#comment-809 Can this wideband codecs can be licensed or commercialized at IP portal such as http://www.ipsupermarket.com, design-reuse or chipestimate etc? Can this wideband codecs can be licensed or commercialized at IP portal such as http://www.ipsupermarket.com, design-reuse or chipestimate etc?

]]> By: Michael Graves http://www.wirevolution.com/2008/12/04/wideband-codecs-and-ipr/comment-page-1/#comment-804 Michael Graves Thu, 18 Dec 2008 20:00:40 +0000 http://www.wirevolution.com/2008/12/04/wideband-codecs-and-ipr/#comment-804 Michael, Have you had a look at the new CELT codec being developed by Xiph.org? It claims to support, amongst other things, sample rates as high as 48 khz in bit rates from 48 kbps. It's from the same group responsible for Speex. I wonder if it might achieve greater acceptance, or if such efforts are doomed to limited uptake by commercial entities? Michael Graves Michael,

Have you had a look at the new CELT codec being developed by Xiph.org? It claims to support, amongst other things, sample rates as high as 48 khz in bit rates from 48 kbps.

It’s from the same group responsible for Speex. I wonder if it might achieve greater acceptance, or if such efforts are doomed to limited uptake by commercial entities?

Michael Graves

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