📄 plain_c.mht
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Date: Wed, 27 Sep 2006 22:35:08 +0800
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charset="gb2312"
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Content-Location: http://www.oxbad.com/DSP/maindoc/arithmetic_source/c/PLAIN.C
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; charset=3Dgb2312">
<META content=3D"MSHTML 6.00.2900.2963" name=3DGENERATOR></HEAD>
<BODY><PRE>/* plain.c - plain reverberator with circular delay line */
double tap();
void cdelay();
double plain(D, w, p, a, x) /* usage: =
y=3Dplain(D,w,&p,a,x); */
double *w, **p, a, x; /* \(p\) is passed by =
address */
int D;
{
double y, sD;
sD =3D tap(D, w, *p, D); /* \(D\)th tap delay =
output */
y =3D x + a * sD; /* filter output */
**p =3D y; /* delay input */
cdelay(D, w, p); /* update delay line */
return y;
}
</PRE></BODY></HTML>
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