On Mon, 15 Dec 2008, James Courtier-Dutton wrote: > Paulo Moura Guedes wrote: >> For my case where I connect to the Benchmark DAC1 via USB (which supports >> 24bit 96khz), does my sound card have any influence in the process? >> > No. > > If the sound card does 24bit 96khz, and the original sound file is 24bit > 96khz, ALSA will not touch/modify the samples. If the original sound > file is 24bit 44.1khz, and the usb sound device can only do 24bit 96khz, > ALSA will have to resample them to get 44.1khz into the 96khz pipe.
What kind of resampling does ALSA do these days-- linear interpolation ( which is fast and does not have any delay, but introduces loads and loads of distortion and noise) or what? > > Kind Regards > > James > > ------------------------------------------------------------------------------ > SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. > The future of the web can't happen without you. Join us at MIX09 to help > pave the way to the Next Web now. Learn more and register at > http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ > _______________________________________________ > Alsa-user mailing list > Alsa-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/alsa-user > -- William G. Unruh | Canadian Institute for| Tel: +1(604)822-3273 Physics&Astronomy | Advanced Research | Fax: +1(604)822-5324 UBC, Vancouver,BC | Program in Cosmology | un...@physics.ubc.ca Canada V6T 1Z1 | and Gravity | www.theory.physics.ubc.ca/ ------------------------------------------------------------------------------ SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
