[pulseaudio-tickets] [Bug 97352] Very low volume with jack sink

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97352

--- Comment #2 from trondsg+bugzilla+freedesktop at gmail.com ---
(In reply to Tanu Kaskinen from comment #1)
> Do other jack applications have normal volume?
Good question, yes they do.

I found the problem: in the output tab of pa volume control, "jack sink" wasn't
set to 100% volume, and I didn't see it, because it was hidden (I needed to
scroll down).

1. I think this output should be set to 100% by default.

2. Another problem: all input clients don't get their volume preserved. I start
jack and set spotify to 100%. Then stop jack, and the volume is set to 14%
(almost unhearable). I set it to 100% again, then start jack. Volume is 14%.
Stop jack, volume is 14%. Bug in spotify or pulseaudio?

3. Also, now that I can switch between audio outputs, I notice that when
running output from audacity through pulseaudio jack sink I get better/clearer
sound quality than when using pulseaudio analog output. Why? This can't be
right. The sound file is 32-bit float.

It seems to be the same with Spotify, although it's more difficult to compare
because the volume is set to 14% every time I turn jack on/off. I have been
blaming Spotify for the poor sound quality, maybe it's pulseaudio that's the
culprit.

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