Thanks Michael and Moises. Is frame synchronisation important when mixing frames from different sources? /Kaiduan On Wednesday, May 10, 2017 12:15 PM, Moises Silva <moises.silva@gmail.com> wrote: On Thu, May 4, 2017 at 1:36 PM, Michael Jerris <mike@jerris.com> wrote: you add signed linear samples together. On Apr 12, 2017, at 10:05 AM, kaiduan xie <kaiduanx@yahoo.ca> wrote: Hi, Can anyone explain how audio mixing works in Freeswitch audio conference and where is the source code? Thanks a lot in advance, /Kaiduan And to be more precise and answer your second question: https://freeswitch.org/stash/projects/FS/repos/freeswitch/browse/src/mod/app... Professional FreeSWITCH Consulting Services: consulting@freeswitch.org http://www.freeswitchsolutions.com Official FreeSWITCH Sites http://www.freeswitch.org http://wiki.freeswitch.org http://www.cluecon.com FreeSWITCH-dev mailing list FreeSWITCH-dev@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev http://www.freeswitch.org