[speex-dev] Coding used in Ultra Wide Band

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Sat Apr 3 00:14:20 PST 2004

> Can u kindly tell me what kind of coding does speex
> use in Ultra Wide Band ? And from where can I read the
> details of it ?

The coding is the same as the low bit-rate wideband and basically it
encodes the LPC coefficients for the high-band and then it uses aliasing
as the high-band excitation. I don't think it's really described
anywhere, sorry (you can always look at the code).


Jean-Marc Valin
Université de Sherbrooke, Québec, Canada

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 190 bytes
Desc: Ceci est une partie de message numériquement signée.
Url : http://lists.xiph.org/pipermail/speex-dev/attachments/20040403/7385d616/signature-0001.pgp

More information about the Speex-dev mailing list