Hi, Thanks for the reply. ? 2012?4?9? ??10:59?Colin Guthrie <gmane at colin.guthr.ie> ??? > 'Twas brillig, and fykcee1 at gmail.com at 09/04/12 15:05 did gyre and gimble: >> Hi all, >> >> I found the sound playback quality will become bad if I set volume >> over "base volume" in gnome-volume-control. >> Why? Does it boost volume by software way in the case of "over base >> volume"? If yes, who do the job? PA or alsa? > > Basically the "Base Volume" is what ALSA reports to us as it's 0dB > point. Going above the base volume may very well case clipping and > quality loss. This is why we show it clearly. Why it needs volume over 100%? (And it is done by alsa, right? ) I've read http://www.robotplanet.dk/audio/audio_gui_design/, but still have no idea in what situation we need volume over 100% ? Regards, -- cee1 -- Regards, - cee1
