replace in opening quotations
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@@ -82,7 +82,7 @@ the software package specifies the network, sometimes called a
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which essentially corresponds to the synthesis algorithm to be used, and then
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worries about how to control the various unit generators in time. In this
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section, we'll use abstract block diagrams to describe patches, but in the
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``examples" section (Page <A HREF="node18.html#sect1.examples"><IMG ALIGN="BOTTOM" BORDER="1" ALT="[*]"
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"examples" section (Page <A HREF="node18.html#sect1.examples"><IMG ALIGN="BOTTOM" BORDER="1" ALT="[*]"
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SRC="crossref.png"></A>), we'll choose a
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specific implementation environment and show some of the software-dependent
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details.
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@@ -158,13 +158,13 @@ Parts (c) and (d) show a more gently-varying possibility for <IMG
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ALT="$y[n]$"> and the
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result. Intuition suggests that the result shown in (b) won't sound like an
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amplitude-varying sinusoid, but instead like a sinusoid interrupted by
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an audible ``pop" after which it continues more quietly. In general, for
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an audible "pop" after which it continues more quietly. In general, for
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reasons that can't be explained in this chapter, amplitude control signals
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<IMG
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WIDTH="30" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
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SRC="img2.png"
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ALT="$y[n]$"> which ramp smoothly from one value to another are less likely to give
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rise to parasitic results (such as that ``pop") than are abruptly changing
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rise to parasitic results (such as that "pop") than are abruptly changing
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ones.
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<P>
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@@ -173,7 +173,7 @@ sinusoids are the signals most sensitive to the parasitic effects of
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quick amplitude change. So when you want to test an amplitude transition, if
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it works for sinusoids it will probably work for other signals as well.
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Second, depending on the signal whose amplitude you are changing, the amplitude
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control will need between 0 and 30 milliseconds of ``ramp" time--zero for the
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control will need between 0 and 30 milliseconds of "ramp" time--zero for the
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most forgiving signals (such as white noise), and 30 for the least (such as a
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sinusoid). All this also depends in a complicated way on listening levels and
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the acoustic context.
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