Hi, I am going through the algorithm used in the speex echo cancellation and speex preprocessing. I could find algorithm used from the soucre code file header. I wanted to know wheater these documents which are mentioned in the files are patent algorithm or public algorithms. Thanks In advance. Regards, Neelufar. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/speex-dev/attachments/20090124/16461a0f/attachment.htm