zenilib: zenilib/jni/external/libvorbis/lib/barkmel.c Source File

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barkmel.c
Go to the documentation of this file.
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
main
int main(int argc, char **argv)
Definition: bootstrap.cpp:102
j
int32_t j
Definition: e_log.c:102
fromBARK
#define fromBARK(z)
Definition: scales.h:80
scales.h
toBARK
#define toBARK(n)
Definition: scales.h:79
i
int i
Definition: pngrutil.c:1377