2010/2/19 Lennart Poettering <mznyfn@xxxxxxxxxxx> > On Thu, 18.02.10 14:15, Raymond Yau (superquad.vortex2@xxxxxxxxx) wrote: > > > VLC media player has a slider from 0% to 300% , so the user are easily to > > know 100% is the point which there is no software gain and no software > > autentation > > > > How did PA expose these software amplication in the UI so that ordinary > user > > can know that point ? > > Depends on the UI program. gnome-volume-control currently only puts a > marker at the ALSA 0dB point, but not a second one where software amp > starts. > For example , your program dbmeasure.c generate a full amplitude sine wave , the sine wave will be clipped for any software gain by pulseaudio , any hardware att. by DAC cannot change the clipped sine wave _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
