On Tue, 16.02.10 22:39, Mark Brown (broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx) wrote: > > On Tue, Feb 16, 2010 at 10:07:03PM +0100, Lennart Poettering wrote: > > On Tue, 16.02.10 17:29, Jaroslav Kysela (perex@xxxxxxxx) wrote: > > > > Basically, if I remember correctly the discussion, 0dB on all elements > > > should main unchanged volume, <0dB attenuation and >0dB gain. > > > But you need some kind of "anchor" for that. What you write above > > applies only for elements that have some kind of analog input and > > output. But the most interesting components are probably the DAC and > > ADC (i.e. the "innermost" elements), and it's not clear what level they > > output, so the "anchor" for the relative dB values is missing... > > Typically the DACs and ADCs will have a full scale signal at line > reference level - it should generally be a good approximation with > nothing else to go on. "line reference level"? What is that? Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net http://0pointer.net/lennart/ GnuPG 0x1A015CC4 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
