📄 sinexpo.htm
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<!-- This file create by Bob L. Sturm Sept 02 2003, using vi. Originally inspired by the MATLAB Auditory Demonstrations package created by Univ. of Sheffield, UK.--><HTML><HEAD> <TITLE>SSUM: Sinusoidal Explorer</TITLE> <link href="style.css" rel="stylesheet" type="text/css"></HEAD><BODY><table cellpadding=0 cellspacing=0 align=center border=0 width="100%"><tr> <td> <IMG SRC="sinexpo_t.jpg" WIDTH=137 HEIGHT=146 > </td> <td align=center> <H1>Sinusoidal Explorer</H1> </td></tr><tr> <td colspan=2 align=center bgcolor=black> <H6><A HREF="#introduction">Introduction</A> <A HREF="#demonstration">Demo</A> <A HREF="#investigate">Investigate</A> <A HREF="#reading">Reading</A> <A HREF="#credits">Credits</A> <A HREF="SSUM.htm">Home</A></H6> </td></tr></table><H2>Introduction</H2><p>This is a demonstration of sinusoids and their parameters: frequency, phase,amplitude, and offset. You can sum two sine waves or multiply them to see thedifferent effects.</p><br><A NAME="demonstration"></A><H2>The tool</H2><P>You can choose to plot either sinewave. These are shown in the top plot;the bottom plot shows the result from either summing or multiplying thesignals. You can also choose to send the resultant signal to the <a href="fourierexpo.htm">Fourier Explorer</a>, or the<a href="sonoexpo.htm">Sonogram Explorer</a> to look at its spectrum.</p><br><CENTER><IMG SRC="sinexpo.jpg"></CENTER><br><A NAME="investigate"></A><H2>Things to investigate</H2><OL> <LI>What factors determine constructive and deconstructive interference? <LI>Why is the sound so different when multiplying or adding sines?</OL><A NAME="reading"></A><H2>Further reading</H2><br><A NAME="credits"></a><H2>Credits</H2><hr noshade><P class="credits">Produced by Bob L. Sturm and Dr. Jerry Gibson.<br>Release date: September 2, 2003<br>Copyright 2003 University of California, Santa Barbara</p></BODY></HTML>⌨️ 快捷键说明
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