There's been considerable posting about these which you can find by searching the archives. I easily found one source by searching the archives for <beats mp3> (no brackets) On Wed, May 7, 2008 at 11:23 AM, Matthew Todd <toddpianoworks at att.net> wrote: > Isn't there a website that has audio files of bps? Do any of you know > where it's located? > > Matthew > > *Robert Scott <fixthatpiano at yahoo.com>* wrote: > > david at piano.plus.com wrote: > > > I came across a website that has a nice 440Hz tone, with a great > > demonstration of beats between 440, 441 and 442. It's at: > > http://www.indiana.edu/~emusic/acoustics/phase.htm<http://www.indiana.edu/%7Eemusic/acoustics/phase.htm> > > > Bottom of the page has the demo. I did wonder whether different sound > > cards might affect the accuracy, but I've tried it on several computers > > and get identical results. > > There is no magic way to get a tone that is more precise than the quartz > crystal in your sound card. I have a sound card that has a known offset > from its calibration in sound generating mode in TuneLab. When I go to that > website and play A400, I get a tone that is off by exactly the amount > indicated by the TuneLab calibration. So if you get exactly A440, then you > aare just lucky that your soundcard was not very far off. > > Robert Scott > Ypsilanti, Michigan > > > > > ____________________________________________________________________________________ > Be a better friend, newshound, and > know-it-all with Yahoo! Mobile. Try it now. > http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20080507/deec46c7/attachment.html
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