On 03/14/2010 06:17 PM, Colin Guthrie wrote: > Pulseaudio expects full control over the mixer levels and what you are > seeing here is a feature called "Flat Volumes" in action. At some point > the volume of the logout sound has been saved to be 22% (perhaps not > exactly that but some value). In order to achieve that result, PA will > try whenever possible to use h/w volume adjustments rather than software. > > As PA is a mixer, it will take the loudest volume of any running stream > and use that as the hardware volume and then attenuate in software any > other streams so that they are set to their relative values. > > e.g. say I have a stream running at 50%, then the h/w will be set to 50% > and the stream will not be attenuated at all in software. If I then play > a second stream at 75%, the h/w volume will increase to that value and > the current running stream @50% will be attenuated in software so that > it stays at 50% overall. > > So it's not exactly unusual to see the h/w volume jump around. What is > more interesting is why the logout sound is played more quietly... Can > you make sure the "System Sounds" slider in pavucontol has a sensible value? Sound system volume is now set to 70%. I believe original setting after install was 0%. > Chances are trashing your ~/.pulse folder in the existing setup will > have much the same effect as a reinstall... you may have to do the same > for the "kdm" user too if there is such a user - there is for gdm, but > don't know that much about kdm personally. I'll check this out in my original Fedora partition. > It's kinda expected behaviour in a way, so it makes sense. There are a > few unknowns relating to how the data got there in the first place but > the generally described behaviour sounds plausible enough. > If possible try and grab "pacmd ls" when the shutdown sound is playing > as it will say what "stream-restore.id" is being used for the logout > sound itself which may explain where the lower volume setting came from. > > Col I did run 'pacmd ls' while startup sound was playing. I can't interpret for myself contents of 'pacmd ls' so I created a pastebin of it: http://pastebin.ca/1841461 -- Thanks, Dwight Paige
