Re: [Qemu-devel] [PATCH] hw/usb/dev-audio.c: make USB audio card sound perfect

[Gerd Hoffmann]

  Hi,

> Is the problem the host sound API, QEMU's audio/mixing infrastructure,
> or guest responsiveness?

Didn't check in deep this time, but usually none of the above.

Latency problems *anywhere* in qemu can cause this, because the latency
spikes cause the guest not being scheduled for too long so it can't fill
the sound buffers in time.

cheers,
  Gerd