[Speex-dev] Stereo AEC, transition to Git

Ashhar Farhan farhan at phonestack.com
Tue Jun 3 22:16:40 PDT 2008

is it possible to have binaural audio through stereo channels? I am
looking at this in order to enhance our speex conferencing library. If
i can 'place' people in a telecon inside my head like 'jim is next to
me, across me is jane and on the right corner is jack', it would help
me avoid confusion.

for those who are unaware of binaural audio, i would ask you to put on
your headphones and listen to this:

- farhan

On Tue, Jun 3, 2008 at 12:52 PM, Jean-Marc Valin
<jean-marc.valin at usherbrooke.ca> wrote:
> Hi,
> Two related news here. First, I've merged in support for stereo (or more
> channels) acoustic echo cancellation in mainline. The standard AEC
> remains the same, but I added a speex_echo_state_init_mc() call that
> takes the number of speakers and microphones.
> Now, one of the consequence of this new work is that by merging this
> work into the main tree, I had to do things in git that svn just doesn't
> support. So it means I can't keep svn updated as I used to and Git is
> now the place to get the latest version of Speex. For those not familar
> with git, here's how to "checkout" (clone in Git's terms) the repository:
> git clone http://git.xiph.org/speex.git
> And to update with the latest changes, simply do:
> git pull
> You can also visualise the development using the "gitk" tool. Whenever I
> figure out how to do it, I might setup a "fake CVS server" from which to
> checkout the git repo and/or automate the copying of the git tree to the
> current svn. Any help with that would be appreciated.
> Cheers,
>        Jean-Marc
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