On Fri, 01.05.09 16:39, Colin Guthrie (gmane at colin.guthr.ie) wrote: > > 'Twas brillig, and Daniel Mack at 01/05/09 12:09 did gyre and gimble: >> 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! > > > Is this a specific change since 0.9.15 release? If so do you know if > there are specific commits that can be backported to a 0.9.15 build to > address this. > > I'm thinking for packagers here who are not allowed to just upgrade > things willy nilly, but want to provide bugfixes? > > Lennart is pretty good at letting people know when he pushes specific > commits into the fedora package which is usually a good indicator, but > if you've got a heads-up, it'll keep us all on our toes :D http://git.0pointer.de/?p=pulseaudio.git;a=patch;h=d2b5ae5525e9036c4f91b1615879a5a07aac5bf2 http://git.0pointer.de/?p=pulseaudio.git;a=patch;h=3a7b287c7ebd4e1b23ab076700201d0acb5a00c2 http://git.0pointer.de/?p=pulseaudio.git;a=patch;h=076830af191306e0f6e5c6c783042345fcbca2be http://git.0pointer.de/?p=pulseaudio.git;a=patch;h=d4b10d838a79a46f18876dbb4a3206b5e1c7bc09 http://git.0pointer.de/?p=pulseaudio.git;a=patch;h=e0f08219bb6b5ed9fd92623997074410051ed671 Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net http://0pointer.net/lennart/ GnuPG 0x1A015CC4
