6 Jun
2010
6 Jun
'10
2:12 a.m.
2010/5/28 Colin Guthrie gmane@colin.guthr.ie
'Twas brillig, and Colin Guthrie at 27/05/10 15:43 did gyre and gimble:
PA should play nice with the softvol plugin so I don't think this is the bit that is at fault.
I strongly suspect that the reason has already been correctly identified a while ago, which is that this card considers -48dB silent where as PA assumes this level is -200dB. I believe it was Raymond who pointed out the -48dB level in the HDA spec before on this list.
if floating point 0.0 is -inf dB , and 1.0 is 0dB ,
0.5 is -6dB , 0.25 is -12 dB , 0.125 is -24dB and 0.0625 is -48dB
how can PA master volume control at 10~15% equivalent to HDA 's -48dB ?
Can you provide the pulseaudio log when you change the volume from 100% to 0% ?