On Fri, 30 Nov 2007 12:19:55 +0100 Paolo Saggese <pmsa4-alsa@xxxxxxxx> wrote: [snip] I am sorry, but all the above said can be summarized in very few sentences: 1) any phase/frequency modulation produces a signal with infinite spectrum; 2) analog recordings additionally have jitter due to tape elasticity and surface imperfections - has anyone ever observed analog taper recorder signal using an oscilloscope ? - I have; 3) one may argue about similarities and differences of spectra produced by analog era and digital era jitter; 4) any high end digital receiver should have a PLL-based receiver that resamples (with the same frequency) input signal end eliminates jitter - rather, the jitter becomes the one of the PLL; 5) from my experience the decisive factor nowadays is analog circuitry in the power amplifier and speakers, not digital jitter. Regards, Sergei. ------------------------------------------------------------------------- SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user