1 /********************************************************************
2 * *
3 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
7 * *
8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
9 * by the Xiph.Org Foundation http://www.xiph.org/ *
10 * *
11 ********************************************************************
12
13 function: bark scale utility
14
15 ********************************************************************/
16
17 #include <stdio.h>
18 #include "scales.h"
main()19 int main(){
20 int i;
21 double rate;
22 for(i=64;i<32000;i*=2){
23 rate=48000.f;
24 fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
25 rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
26
27 rate=44100.f;
28 fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
29 rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
30
31 rate=32000.f;
32 fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
33 rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
34
35 rate=22050.f;
36 fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
37 rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
38
39 rate=16000.f;
40 fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
41 rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
42
43 rate=11025.f;
44 fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
45 rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
46
47 rate=8000.f;
48 fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n\n",
49 rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
50
51
52 }
53 {
54 float i;
55 int j;
56 for(i=0.,j=0;i<28;i+=1,j++){
57 fprintf(stderr,"(%d) bark=%f %gHz (%d of 128)\n",
58 j,i,fromBARK(i),(int)(fromBARK(i)/22050.*128.));
59 }
60 }
61 return(0);
62 }
63
64