[pulseaudio-tickets] [Bug 46236] Microsoft LifeChat LX-3000 USB Audio Headset DB issue with Volume Scale

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=46236

--- Comment #16 from Tanu Kaskinen <tanuk at iki.fi> ---
(In reply to comment #13)
> Yes, adjusting the speaker volume using alsamixer worked as expected. 
> Within alsamixer, Speaker volume 0 was reported as dB gain: -28.37, -28.37. 
> Speaker volume 100 was reported as dB gain: -0.06, -0.06.  The change was
> smooth across the range 0 to 100.

Within alsamixer, when you set the Speaker volume to 0, is it muted? If it is
(as I suspect), then this is clearly a bug in ALSA, because ALSA tells that the
attenuation is -28.37 dB, while in reality it's -inf dB (muted).

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