2010/2/17 James Courtier-Dutton <james.dutton@xxxxxxxxx> > On 16 February 2010 23:56, Lennart Poettering <mznyfn@xxxxxxxxxxx> wrote: > > > > The reason I was asking how Jaroslav chose the 0dB position for his > > measurements was purely because I wanted to do my own measurements for > > that Aureon card. The dbmeasure tool I wrote for stuff like that puts > > 0dB at max amplification, however Jaroslav didn't, so I was wondering > > how he chose 0dB then. > > > > Lennart > > > > I think the digital side is clear. So I will not go into that. > The problem is at the digital side , The range between -inf dB and -48dB / -96dB software atten is lost during the conversion of the floating format format to S16_LE or S32_LE ( native format supported by hardware driver ) i.e. the bottom part of the pulseaudio volume control cannot be used _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel