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authorArun Raghavan <arun.raghavan@collabora.co.uk>2010-09-07 13:43:58 +0530
committerArun Raghavan <arun.raghavan@collabora.co.uk>2010-09-07 15:12:12 +0530
commit526277c97c8c1e77252d3c67186914789ba55c33 (patch)
treea535e826920ebe1cde10a90ddccc7367ce32dd1f /LICENSE
parent126e1336b214dacda511f3dbf5a463aaaa1f10ee (diff)
downloadpulseaudio-526277c97c8c1e77252d3c67186914789ba55c33.tar.gz
echo-cancel: Add alternative echo-cancellation implementation
This adds Andre Adrian's AEC implementation from his intercom project (http://andreadrian.de/intercom/) as an alternative to the speex echo cancellation routines. Since the implementation was in C++ and not in the form of a library, I have converted the code to C and made a local copy of the implementation. The implementation actually works on floating point data, so we can tweak it to work with both integer and floating point samples (currently we just use S16LE).
Diffstat (limited to 'LICENSE')
-rw-r--r--LICENSE4
1 files changed, 4 insertions, 0 deletions
diff --git a/LICENSE b/LICENSE
index 612c23415..3a82749e6 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,4 +10,8 @@ LGPL licensed and the server part ('libpulsecore') as being GPL licensed. Since
the PulseAudio daemon and the modules link to 'libpulsecore' they are of course
also GPL licensed.
+Andre Adrian's echo cancellation implementation is licensed under a less
+restrictive license - see src/modules/echo-cancel/adrian-license.txt for
+details.
+
-- Lennart Poettering, April 20th, 2006.