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replace '<A NAME=' with '<A ID='

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Lucas Cordiviola
2022-04-12 23:32:40 -03:00
parent 19822c017f
commit 2f20b9ef0d
202 changed files with 5110 additions and 5110 deletions
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@@ -30,43 +30,43 @@ original version by: Nikos Drakos, CBLU, University of Leeds
<BODY >
<!--Navigation Panel-->
<A NAME="tex2html749"
<A ID="tex2html749"
HREF="node15.html">
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next"
SRC="next.png"></A>
<A NAME="tex2html743"
<A ID="tex2html743"
HREF="node7.html">
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up"
SRC="up.png"></A>
<A NAME="tex2html737"
<A ID="tex2html737"
HREF="node13.html">
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous"
SRC="prev.png"></A>
<A NAME="tex2html745"
<A ID="tex2html745"
HREF="node4.html">
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents"
SRC="contents.png"></A>
<A NAME="tex2html747"
<A ID="tex2html747"
HREF="node201.html">
<IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index"
SRC="index.png"></A>
<BR>
<B> Next:</B> <A NAME="tex2html750"
<B> Next:</B> <A ID="tex2html750"
HREF="node15.html">About the Software Examples</A>
<B> Up:</B> <A NAME="tex2html744"
<B> Up:</B> <A ID="tex2html744"
HREF="node7.html">Sinusoids, amplitude and frequency</A>
<B> Previous:</B> <A NAME="tex2html738"
<B> Previous:</B> <A ID="tex2html738"
HREF="node13.html">Superposing Signals</A>
&nbsp; <B> <A NAME="tex2html746"
&nbsp; <B> <A ID="tex2html746"
HREF="node4.html">Contents</A></B>
&nbsp; <B> <A NAME="tex2html748"
&nbsp; <B> <A ID="tex2html748"
HREF="node201.html">Index</A></B>
<BR>
<BR>
<!--End of Navigation Panel-->
<H1><A NAME="SECTION00570000000000000000"></A>
<A NAME="sect1.fourier"></A>
<H1><A ID="SECTION00570000000000000000"></A>
<A ID="sect1.fourier"></A>
<BR>
Periodic Signals
</H1>
@@ -105,7 +105,7 @@ the smallest <IMG
WIDTH="12" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img135.png"
ALT="$\tau$"> if any at which a signal repeats is called the signal's
<A NAME="1175"></A><I>period</I>.
<A ID="1175"></A><I>period</I>.
In discussing periods of digital audio signals, we quickly run into the
difficulty of describing signals whose "period" isn't an integer, so that the
equation above doesn't make sense. For now we'll effectively
@@ -149,7 +149,7 @@ with frequencies <!-- MATH
SRC="img138.png"
ALT="$2 \pi / \omega$"> samples.
Such a sum is called a <I>Fourier Series</I>:
<A NAME="eq-fourierseries"></A>
<A ID="eq-fourierseries"></A>
<BR><P></P>
<DIV ALIGN="CENTER">
<!-- MATH
@@ -184,12 +184,12 @@ multiples of <IMG
WIDTH="14" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img27.png"
ALT="$\omega $">. They are called the
<A NAME="1187"></A><I>harmonics</I>
<A ID="1187"></A><I>harmonics</I>
of <IMG
WIDTH="14" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img27.png"
ALT="$\omega $">, which in turn is called the
<A NAME="1189"></A><I>fundamental</I>. In terms of pitch, the harmonics
<A ID="1189"></A><I>fundamental</I>. In terms of pitch, the harmonics
<!-- MATH
$\omega, 2 \omega, \ldots$
-->
@@ -205,7 +205,7 @@ pitches of the same scale; the third and sixth miss only by 2 cents and the
fifth misses by 14.
<P>
<A NAME="r-intervals"></A>Put another way, the frequency ratio 3:2 (a perfect fifth in Western
<A ID="r-intervals"></A>Put another way, the frequency ratio 3:2 (a perfect fifth in Western
terminology) is almost exactly
seven half-steps, 4:3 (a perfect fourth) is just as near to five half-steps,
and the ratios 5:4 and 6:5 (perfect major and minor thirds) are fairly close to
@@ -221,7 +221,7 @@ by the three component sinusoids.
<P>
<DIV ALIGN="CENTER"><A NAME="fig01.08"></A><A NAME="1196"></A>
<DIV ALIGN="CENTER"><A ID="fig01.08"></A><A ID="1196"></A>
<TABLE>
<CAPTION ALIGN="BOTTOM"><STRONG>Figure 1.8:</STRONG>
A Fourier series, showing three sinusoids and their sum. The
@@ -242,7 +242,7 @@ block diagram for doing this.
<P>
<DIV ALIGN="CENTER"><A NAME="fig01.09"></A><A NAME="1202"></A>
<DIV ALIGN="CENTER"><A ID="fig01.09"></A><A ID="1202"></A>
<TABLE>
<CAPTION ALIGN="BOTTOM"><STRONG>Figure 1.9:</STRONG>
Using many oscillators to synthesize a waveform with desired harmonic
@@ -256,43 +256,43 @@ amplitudes.</CAPTION>
<P>
This is an example of
<A NAME="1205"></A><I>additive synthesis</I>; more generally the term can be applied to networks
<A ID="1205"></A><I>additive synthesis</I>; more generally the term can be applied to networks
in which the frequencies of the oscillators are independently controllable.
The early days of computer music rang with the sound of additive synthesis.
<P>
<HR>
<!--Navigation Panel-->
<A NAME="tex2html749"
<A ID="tex2html749"
HREF="node15.html">
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next"
SRC="next.png"></A>
<A NAME="tex2html743"
<A ID="tex2html743"
HREF="node7.html">
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up"
SRC="up.png"></A>
<A NAME="tex2html737"
<A ID="tex2html737"
HREF="node13.html">
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous"
SRC="prev.png"></A>
<A NAME="tex2html745"
<A ID="tex2html745"
HREF="node4.html">
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents"
SRC="contents.png"></A>
<A NAME="tex2html747"
<A ID="tex2html747"
HREF="node201.html">
<IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index"
SRC="index.png"></A>
<BR>
<B> Next:</B> <A NAME="tex2html750"
<B> Next:</B> <A ID="tex2html750"
HREF="node15.html">About the Software Examples</A>
<B> Up:</B> <A NAME="tex2html744"
<B> Up:</B> <A ID="tex2html744"
HREF="node7.html">Sinusoids, amplitude and frequency</A>
<B> Previous:</B> <A NAME="tex2html738"
<B> Previous:</B> <A ID="tex2html738"
HREF="node13.html">Superposing Signals</A>
&nbsp; <B> <A NAME="tex2html746"
&nbsp; <B> <A ID="tex2html746"
HREF="node4.html">Contents</A></B>
&nbsp; <B> <A NAME="tex2html748"
&nbsp; <B> <A ID="tex2html748"
HREF="node201.html">Index</A></B>
<!--End of Navigation Panel-->
<ADDRESS>