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I see where I becoming confused with moving-autocorrelation. Makes sense now.</div>
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Thank you,</div>
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Jim</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> bil@ccrma.Stanford.EDU <bil@ccrma.Stanford.EDU><br>
<b>Sent:</b> Thursday, December 4, 2025 10:24 AM<br>
<b>To:</b> James Hearon <j_hearon@hotmail.com><br>
<b>Cc:</b> cmdist@ccrma.Stanford.EDU <cmdist@ccrma.Stanford.EDU><br>
<b>Subject:</b> Re: [CM] moving-autocorrelation</font>
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<div class="PlainText">The moving-autocorrelation mus-data array does not<br>
have any data until you call the generator.<br>
<br>
(let* ((n 512)<br>
(hop 128)<br>
(ac (make-moving-autocorrelation (make-readin "oboe.snd") n hop <br>
))<br>
(mydata (make-float-vector hop)))<br>
;; call it to get some data:<br>
(moving-autocorrelation ac) ; fill mus-data<br>
(format #t "mus-data:\n")<br>
(let* ((data (mus-data ac))<br>
(len (length data)))<br>
(format #t "length data: ~A\n " len )<br>
(set! mydata (mus-data ac))<br>
(do ((i 0 (+ i 1)))<br>
((= i hop))<br>
(format #t "~A ~0,12F\n " i (mydata i) ) )))<br>
<br>
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