Bill Unruh wrote: > Sorry > www.theory.physics.ubc.ca/soundcard/soundcard.html > for the program xsndtest > The synth is a different program whose purpose is to create sounds for my > physics of music class ( in paticular to demonstrate that the phases of the > fourier components are inaudible) > > The xsndtest program is to present the card with a very stringent test and > to measure the distortion produced. It basically sends pink noise (whose > spectrum is close to that real musical sound) and measure the distortion > produced by that signal in the soundcard. It measures total distortion-- > input to output. You can play with teh sliders to see where the distorition > begins to rise. I found on a cheap card that any input level above about > 70% caused distortion, even if the input was reduced. Ie, the level of the > input sound did not matter. This was not clipping, since the input level > could be adjusted so that clipping did not occur. On a better card ( Maudio > Transit) this problem did not appear.
Hi, the link for the test files http://www.theory.physics.ubc.ca/soundcard/sndcard-output.tar.gz didn't work for me. As soon as I can get the right link and download the file, I'll give your program a try. Regards, Arthur. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
