[Freeswitch-users] Recording background music and voice is out of sync

Daniel Liang Daniell at airg.com
Tue Feb 3 18:21:07 PST 2009


Hi,

I was trying to record a background music with a user's voice at the
same time. I did a playback and started recording. But the recorded
user's voice and the background music is about 0.5 second out of sync. I
also tried to use uuid_displace instead of playback, but I got the same
result.

I guess it was the transfer delay between freeswitch and the end user.
Is there a way to avoid that?

One of the solution that I can think of is to route the background music
to the end user and then route it back to freeswitch and let freeswitch
recorded user's voice and the routed music together. But I don't know
how I can do that in freeswitch.

Any idea?

Thanks.
Daniel




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