[pulseaudio-discuss] PA volume effects

[Daniel Mack]

On Mon, Apr 27, 2009 at 06:18:59PM +0200, Daniel Mack wrote:
> I'm observing strange audio artefacts with my audio driver which seem to
> be related to audio material overamplification. IOW, the effect is only
> audible at waveform peaks. When I attenuate the playback volume
> pavucontrol, things get a lot worse - horrible distortion all over
> the place, even in more quite audio sections.
> 
> Also, when comparing the audio output of 'aplay -Dpulse foo.wav' with
> 'aplay -Dplughw foo.wav', it is clearly audible that PA adds some kind
> of amplification to the material (I would guess ~3dB), even though all
> GUI accessible levels are set to 100%.

Just for the records: this is fixed now in upstream git. Thanks a lot!

Daniel