<div>quote them: "<span style="background-color:rgb(255,255,255);color:rgb(51,51,51);font-family:Arial,Helvetica,sans-serif;font-size:14px;line-height:20px;text-align:left">A recording, on the other hand, of all possible instruments each playing all possible notes at once wouldn’t be sparse — but neither would it be a signal that anyone cares about."</span></div>
<div><br></div>If I didn't get it wrong: I think they mention the "premise" is the opposite of white noise, thus signals do not exhibit the behavior of white noise (spread out through all spectrum). Once again, its just a tool, and tools are useful for certain cases, and not useful for other cases.<div>
<br></div><div>Like the hammer.</div><div><br></div><div>Best,</div><div>pedro<br><br><div class="gmail_quote">On Wed, Jan 25, 2012 at 11:03 PM, Mathieu Bouchard <span dir="ltr"><<a href="mailto:matju@artengine.ca">matju@artengine.ca</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Le 2012-01-20 à 23:55:00, Andy Farnell a écrit :<br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Considering the paper is unpublished and sparse decomposition is a pretty heavy topic I thought that is a really nice bit of science journalism by Larry Hardesty. Since periodic music signals probably fit the bill quite well it's good news for our kind of work.<br>
</blockquote>
<br>
Does it have better upper bounds ?<br>
<br>
If not, it doesn't change much for realtime.<br>
<br>
E.g. if I feed something somewhat like a white noise to this FFT, what exactly will it try skipping ? Every harmonic will be fairly nonzero.<br>
<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>Pedro Lopes (HCI Researcher / MSc)<br>contact: <a href="mailto:pedro.lopes@ist.utl.pt" target="_blank">pedro.lopes@ist.utl.pt</a><br>website: <a href="http://web.ist.utl.pt/pedro.lopes/" target="_blank">http://web.ist.utl.pt/pedro.lopes</a> / <a href="http://pedrolopesresearch.wordpress.com/" target="_blank">http://pedrolopesresearch.wordpress.com/</a> | <a href="http://twitter.com/plopesresearch" target="_blank">http://twitter.com/plopesresearch</a><br>
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