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Hi Claude,<br>
<br>
<div class="moz-cite-prefix">On 21/03/15 12:00,
<a class="moz-txt-link-abbreviated" href="mailto:pd-list-request@lists.iem.at">pd-list-request@lists.iem.at</a> wrote:<br>
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<blockquote
cite="mid:mailman.7.1426935601.12133.pd-list@lists.iem.at"
type="cite">
<blockquote type="cite" style="color: #000000;">
<pre wrap="">Hi Claude,
<span class="moz-txt-citetags">></span>
<span class="moz-txt-citetags">> </span>On 20/03/15 18:24, <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:pd-list-request@lists.iem.at">pd-list-request@lists.iem.at</a> wrote:
</pre>
<blockquote type="cite" style="color: #000000;">
<pre wrap=""><span class="moz-txt-citetags">>> </span>you can hear aliasing quite easily - you turn up the pitch dial on your
<span class="moz-txt-citetags">>> </span>oscillator and hear some other frequencies sweep downwards (and out of
<span class="moz-txt-citetags">>> </span>tune)
</pre>
</blockquote>
<pre wrap=""><span class="moz-txt-citetags">></span>
<span class="moz-txt-citetags">> </span>Could you explain this better? If I create a glissando effect using
<span class="moz-txt-citetags">> </span>[line~] and [osc~], I don't hear any of the aliasing you mention, only
<span class="moz-txt-citetags">> </span>the expected result of a pitch going up. In which situations would these
<span class="moz-txt-citetags">> </span>aliasing effects appear?
</pre>
</blockquote>
<pre wrap="">you don't hear it with a single sine osc~ until very high frequencies
(half the sample rate at best) as it doesn't have many partials
the higher frequency partials in the table in the attached patch fold
over even when the oscillator fundamental is fairly low</pre>
</blockquote>
<br>
But then you are talking about aliasing due to the Nyquist–Shannon
sampling theorem, right? I thought the aliasing was due to the
presence of [line~] and the glissando, not simply because of the
sampling theorem (the glissando simply helps to make the effect
obvious, but a single oscillator with high enough frequency would
produce the frequency folding, am I right?). in that case, I do
understand what you mean. <br>
<br>
Thanks and take care,<br>
Gilberto<br>
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