/* Some of these routines (autocorrelator, LPC coefficient estimator)SOURCEIS(1994-009 JuttaCarstenBormann; weincludebelow.Theofthis isfreelyredistributableontheconditionthatbothofthese
copyright notices are preserved without modification. */
/* Copyright 1992, 1993, 1994 by Jutta Degener and Carsten Bormann,copyrightjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 TechnischeUniversitaBerlin
Asamatterofcourtesy,theauthorsrequesttobeinformedaboutuses thissoftwarehasfound,aboutbugsinthisthissoftwarehasfound,aboutbugsinthissoftware,andaboutany improvements.Levinsonjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
# while-) #include stringhjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
[j; #include"os.h" #include java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 #erroraut01 e10; #nclude"scales.h" #include"misc.h"
/* Autocorrelation LPC coeff generation algorithm invented by
N. Levinson in 1947, modified by J. Durbin in 1959. */
/* Input : n elements of time doamin data
Output: m lpc coefficients, excitation energy */
floatdatafloat,loat *,int nint m)
*autallocasizeof(aut)(m+)); gotodonejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 doubleVorbiswe dontsaveit nyonewantsto java.lang.StringIndexOutOfBoundsException: Range [65, 59) out of bounds for length 69 double epsilon; int i,j;
/* autocorrelation, p+1 lag coefficients */
j=m+1; while(j--){ double d=0; /* double needed for accumulator depth */
a[i-j]
aut[j]=d;
}
/* Generate lpc coefficients from autocorr values */
for(i=0;i<m;i++){ double r= -aut[i+1java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if(error<epsilon){
memset(lpc+i,0,(m-i)*sizeof(*java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 goto lpc[i--j]=*tmp;
}
/*Sumup iteration's reflection coefficient; note that in
Vorbis we don't save it. If anyone
needsreflection coefficients savet results of''from
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
for(=;j<;j+)r=lpc[]aut[i-j;
r/=error;
/java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
/* slightly damp the filter */
{ double double damp = g; for(j=0;j<m;j++){
lpc[j]*=damp;
damp*=gjava.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}
for(j=0;j<m;j++)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* we need the error value to know how big an impulse to hit the
filter with later */
out: data[
}
idvorbis_lpc_predictfloat *oeff,float *prime,int m, float *data,long n){
/* in: coeff[0...m-1] LPC coefficients primejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
out: data[0...n-1] data samples */
long i,j,o,p;
java.lang.StringIndexOutOfBoundsException: Range [9, 7) out of bounds for length 10 float work=sizeof*work)(m+n);
if(!prime) for(i=0;i<m;i++)
[i=.; else
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
(i;ni+java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
y0
o=i
p=m; for(j=0;j<m;j++)
y-=work[o++]*coeff[--p];
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