[LAD] [alsa-devel] Fw: Using loopback card to Connect GSM two way call to the real sound card UDA1345TS

Clemens Ladisch clemens at ladisch.de
Wed Jul 1 14:11:31 UTC 2015

Srinivasan S wrote:
> Am facing overrun & underrun issues, when I run the the above GSM application with the attached asound.conf

The sound card and the GSM streams are not synchronized.
You need to compensate for the drift between the clocks, typically by resampling.
(Jack's alsa_in/alsa_out would automatically do this.)


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