[speex-dev] regarding CELP/ACELP/others patentes
av at polynet.lviv.ua
Thu Apr 1 00:03:41 PST 2004
First of all, I'm sorry if my question is offtopic on this list. In such
case please ignore this post and/or contact me directly. I'm asking my
questions there because I feel you had similar problem before starting
my friend developed 3gpp content creator and he would distribute it in
But there is problem with AMR licensing (the terms are unacceptable for
him). VoiceAge asked him to pay some huge amount of USD for (as they
said) AMR license.
He contacted me to clarify situation with licensing issue. (I'm working
in video coding area. So, please be patient if I missed something in
As I understood the problem is in ACELP algorithm which AMR uses in
6.7kbs mode. Other modes use CELP. He can disable this mode and this
will allow him to dont break law. Am I right?
And second question: how can I get full list of patented algorithms used
in AMR standard? Could you point me to some resource?
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