-----Original Message----- From: Grant <emailgrant@xxxxxxxxx> To: alsa-user@xxxxxxxxxxxxxxxxxxxxx Date: Fri, 13 Jun 2008 16:15:51 -0700 Subject: Re: Testing digital perfection > > >> Is there any way to test the digital contents of a FLAC file against > >> the digital stream sent to the sound card for a match? > >> > >> - Grant > >> > >> ------------------------------------------------------------------------- > >> Check out the new SourceForge.net Marketplace. > >> It's the best place to buy or sell services for > >> just about anything Open Source. > >> http://sourceforge.net/services/buy/index.php > >> _______________________________________________ > >> Alsa-user mailing list > >> Alsa-user@xxxxxxxxxxxxxxxxxxxxx > >> https://lists.sourceforge.net/lists/listinfo/alsa-user > >> > > > > Do you want to test FLAC encoder + decoder quality or do you want to test PCM stream > > playback quality ? > > I want to test the integrity of the chain between FLAC file and final > output to DAC. I guess that's PCM stream playback quality? > > Is digital out -> digital in the only way to do it? > > - Grant > > ------------------------------------------------------------------------- > Check out the new SourceForge.net Marketplace. > It's the best place to buy or sell services for > just about anything Open Source. > http://sourceforge.net/services/buy/index.php > _______________________________________________ > Alsa-user mailing list > Alsa-user@xxxxxxxxxxxxxxxxxxxxx > https://lists.sourceforge.net/lists/listinfo/alsa-user > If you distrust FLAC encoder/decoder, start checking them, but you do not need ALSA and soundcard for that. If you want to test quality of PCM stream playback, start capturing stream output, probably with another card, but this is is independent of FLAC or any other compression (lossless or lossy) format. Regards, Sergei. ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
