[pulseaudio-discuss] [PATCH] Documentation of known misuse of PulseAudio API

[Raymond Yau]

>> This is the only bit that I'd change in some way:

> >>
> >> > + * is too high. With flat volumes disabled (the default in Ubuntu),
> it
> >> > means
> >> > + * the maximum hardware volume attenuated by the sink volume. In most
> >> > cases,
> >> > + * this is appropriate.
> >>
> >> I think "the maximum hardware volume attenuated by the sink volume" is a
> >> bit hard to understand wording. Perhaps this would be better: "With flat
> >> volumes disabled (the default in Ubuntu), the sink input volume is
> >> relative to the sink volume, so 100% sink input volume means that the
> >> sink input is played at the current sink volume level."
> >>
> >
> > Do pulseaudio expect max. value of all hardware playback volume controls
> are
> > at 0dB ( just attentuation and no gain ) ?
> >
> > since it is using floating point 0.0 <--> 1.0 for (0% to 100%)
> >
> > How about capture volume as most mic inputs have boost (gain) ?
>


> Sorry, I can't answer that.
>

Refer to
http://cgit.freedesktop.org/pulseaudio/pulseaudio/plain/src/tests/volume-test.c

why 200% is equal to 18.06 dB ?

 160% / 12.25 dB
 120% / 4.75 dB
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