]> 4ch.mooo.com Git - 16.git/blob - src/lib/dl/ext/vorbis/barkmel.c
meh did some cleanings and i will work on mapread to mm thingy sometime soon! oops...
[16.git] / src / lib / dl / ext / vorbis / barkmel.c
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  last mod: $Id: barkmel.c 16037 2009-05-26 21:10:58Z xiphmont $
15
16  ********************************************************************/
17
18 #include <stdio.h>
19 #include "scales.h"
20 int main(){
21   int i;
22   double rate;
23   for(i=64;i<32000;i*=2){
24     rate=48000.f;
25     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
26             rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
27
28     rate=44100.f;
29     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
30             rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
31
32     rate=32000.f;
33     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
34             rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
35
36     rate=22050.f;
37     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
38             rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
39
40     rate=16000.f;
41     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
42             rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
43
44     rate=11025.f;
45     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
46             rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
47
48     rate=8000.f;
49     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n\n",
50             rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
51
52
53   }
54   {
55     float i;
56     int j;
57     for(i=0.,j=0;i<28;i+=1,j++){
58       fprintf(stderr,"(%d) bark=%f %gHz (%d of 128)\n",
59               j,i,fromBARK(i),(int)(fromBARK(i)/22050.*128.));
60     }
61   }
62   return(0);
63 }
64