[alsa-devel] Fast Track Ultra mixer - opinions anyone?

Felix Homann linuxaudio at showlabor.de
Mon Apr 16 14:45:25 CEST 2012

2012/4/16 Grant Diffey <gdiffey at gmail.com>:
>> ** dB values **
>> Currently alsamixer does not report any dB changes when you change a
>> control value. I  don't know how to fix it. Anyone else?
> What does dB value mean in this context given there's a hardware volume knob
> on the device? is it just the db difference or is supposed to be some sort
> of dBm absolute output level

What I meant was: At the moment we can just change raw control values
without knowing what they mean. E.g. if we put some control value to
50% do we get linear gain of 50% . Do we have a logarithmic scale or a
"M-Audio-we-work-on-standards-but-dont-support-them" scale?

More information about the Alsa-devel mailing list