On Sun, 21 Dec 2008 22:04:37 +0000 Jamie Lokier <jamie@xxxxxxxxxxxxx> wrote: > Sergei Steshenko wrote: > > On Sun, 21 Dec 2008 03:34:50 +0000 > > Jamie Lokier <jamie@xxxxxxxxxxxxx> wrote: > > > > > > > Even 2x upsampling introduces distortion. > > > > No, it doesn't. > > > > It can be implemeted as a pure linear transform with constant coefficients, > > thus it would be a simple FIR LPF. > > It depends what you are calling distortion. I meant IMD in this case. I do not care about slight linear distortions in higher part of audible band, i.e. slight attenutation (probably 1..2db) at 20kHz. Believe me, there much more things to worry about than this. Regards, Sergei. ------------------------------------------------------------------------------ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
