Hi Anthony - thanks for the info. 
So, "channels" is already set to 2 in conf/autoload_configs/conference.conf.xml 

 <profile name="video-mcu-stereo">

      <param name="domain" value="$${domain}"/>

      <param name="rate" value="48000"/>

      <param name="channels" value="2"/>

      <param name="interval" value="20"/>

      <param name="energy-level" value="200"/>


Does freeswitch test for actual stereo (as opposed to two channel mono) and if it sees 2 chan mono does it downsample to mono?

thanks!

chris


On Tue, Jun 23, 2015 at 6:26 PM, Anthony Minessale <anthony.minessale@gmail.com> wrote:
Yes its interleaved.

If you are calling into a conference you will have to run the conference in stereo or the channel will be downsampled to mono to match.
Set channels to 2 in the mod_conference profile.




On Tue, Jun 23, 2015 at 5:21 PM, Chris Mandra <mandra@gmail.com> wrote:
Hi guys, I have another question about freeswitch, conferences and stereo.

When I make a webrtc call into 3500 on my freeswitch server, mod_ladspa is reporting the number of samples as 1920 (20 ms stereo interleaved I assume) fine for a few seconds, and then the number of samples drops to 960 (20 ms mono) Any idea why this might be happening?

Also, I have been assuming that stereo in freeswitch is interleaved - is that the case? Is that assumption incorrect? If not interleaved, how does fs handle stereo. 


thanks!
chris


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