2010/5/25 Clemens Ladisch <clemens@xxxxxxxxxx> > Raymond Yau wrote: > > 2010/5/21 Clemens Ladisch <clemens@xxxxxxxxxx> > > > > > 0 == -infinity dB, full scale == 0 dB, and the mapping between mixer > > > control values and corresponding dB values it _not_ linear. > > > > 20 log10 rule This mean than 0.5 == -6 dB , 0.25 == -12 dB , 0.124 == -24dB . 0.625 == -48dB I have doubt why PA is at 15% when the volume control of HDA is -48dB _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
