线性预测编码LPC(2)

Sample.h

#define PI 3.1415926 #define M 12 #define N 120 float *correlation(float a[]) { }

float *Read_Data(FILE *fp_speech) { }

short data; float static a[N]; for(int i=0;i<=N;i++) { } return a+1;

fread(&data,sizeof(short),1,fp_speech); a[i]=(float)data/(float)(1024*32); float static relate[M+1]; int i,k; float sum;

for(k=0;k<=M;k++) { }

return relate;

sum=0; for(i=k;i

relate[k]=sum;

sum+=a[i]*a[i-k];

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