Re: human versus spectral resolution (Erik Larsen )

Subject: Re: human versus spectral resolution
From:    Erik Larsen  <elarsen@xxxxxxxx>
Date:    Wed, 2 Apr 2008 21:24:58 -0400

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content=3D"text/html;charset=3Dwindows-1252" http-equiv=3D"Content-Type"> <title></title> </head> <body bgcolor=3D"#ffffff" text=3D"#000000"> <tt>Hi Michael,<br> <br> if you don't set constraints on digital analysis, it can always outperform a human on any task (assuming you can come up with a smart enough algorithm). And a human shouldn't be able to do better than theory predicts - unless the theory is wrong...<br> <br> Erik<br> </tt><br> Michael Fulton wrote: <blockquote cite=3D"mid:BAY103-W24A2D2BF162B9AA4EBD372C8F40@xxxxxxxx" type=3D"cite"> <style> .hmmessage P { margin:0px; padding:0px } body.hmmessage { FONT-SIZE: 10pt; FONT-FAMILY:Tahoma } </style>Could anyone please direct me to any literature on what are the comparative limits of :<br> =A0<br> 1) Time/frequency resolution for digital signal spectral analysis , as (sort of) governed by Heisenberg's=A0uncertainty principle=A0with relatio= n to the duration, sampling rate, frequency content=A0and bandwidth of the sound.<br> =A0<br> and <br> =A0<br> 2) The limits of the ability of the human ear to distinquish between frequency/pitch and the exact time location of sounds, more or less the same task as above.<br> =A0<br> Essentially,can a human ear outperform=A0digital ( or even theoretical analysis ) of sounds. <br> =A0<br> Especially,=A0in=A0areas such as pitch discrimination=A0and temporal localisiation of events and not signal separation or some higher level analysis of the sound.<br> =A0<br> Any suggestions will be greatly appreciated.<br> =A0<br> Thanks in advance.=A0<br> <br> M Fulron<br> <br> <hr>News, Sports, Entertainment and Weather on your mobile. <a moz-do-not-send=3D"true" href=3D"" target=3D"_new">Te= xt MSN to 63463 Now.</a></blockquote> </body> </html>

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