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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - module-loopback ignores latency_msec option"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80770#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - module-loopback ignores latency_msec option"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80770">bug 80770</a>
from <span class="vcard"><a class="email" href="mailto:ifyoudieinthegameyoudieforreal@gmail.com" title="ifyoudieinthegameyoudieforreal@gmail.com">ifyoudieinthegameyoudieforreal@gmail.com</a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=80770#c1">comment #1</a>)
<span class="quote">> any reason not using line playback volume of your onboard sound card or
> analog input monitor of your oxygen mixer instead of the software loopback
> which have high latency at least one capture period and one plpayback
> period ?</span >
Yes, there's a reason that I'm using PulseAudio's loopback module instead of
the ALSA monitor, directly. That doesn't have anything to do with this bug,
though.
Since I last commented, I was able to reduce the 'Sink Latency' (and the
module-loopback 'buffer latency') dramatically by correcting my PulseAudio
default fragment size from the default 25 down to a more suitable 3.
Although the 'Buffer Latency' value is no longer ~200ms, which defeats my
theory that module-loopback always uses the recorded default value of 200ms,
the latencies are still exactly the same regardless of whether I supply
latency_msec=1 or latency_msec=2000. I'm not sure of exactly how
module-loopback settles on its latency, but it still appears that the
latency_msec option is ignored, as far as I can tell.</pre>
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