Hi all,
I'm reading about the feedback mechanism for USB audio. I'm trying to see
if I can implement asynchronous mode.
Basically I am feeding the USB gadget with PCM writes at a fixed rate, but
I am very slowly filling the buffer out to the sink on the other end.
Eventually, the buffer fills, and I am only able to write the available
free space, and I stat to develop latency problems. I believe this is due
to the subtle clock skew between my clocks.
What is a good strategy to prevent this? I found this link (
http://www.electronicdesign.com/embedded/achieving-bit-perfect-usb-audio),
and am curious if the ALSA users here have implemented something like this
(or with the g_audio kernel module).
Thanks,
Rob
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