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1 #ifdef HAVE_CONFIG_H
2 #include "config.h"
3 #endif
4 
5 #include "speex/speex_preprocess.h"
6 #include <stdio.h>
7 
8 #define NN 160
9 
main()10 int main()
11 {
12    short in[NN];
13    int i;
14    SpeexPreprocessState *st;
15    int count=0;
16    float f;
17 
18    st = speex_preprocess_state_init(NN, 8000);
19    i=1;
20    speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DENOISE, &i);
21    i=0;
22    speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_AGC, &i);
23    i=8000;
24    speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_AGC_LEVEL, &i);
25    i=0;
26    speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB, &i);
27    f=.0;
28    speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB_DECAY, &f);
29    f=.0;
30    speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB_LEVEL, &f);
31    while (1)
32    {
33       int vad;
34       fread(in, sizeof(short), NN, stdin);
35       if (feof(stdin))
36          break;
37       vad = speex_preprocess_run(st, in);
38       /*fprintf (stderr, "%d\n", vad);*/
39       fwrite(in, sizeof(short), NN, stdout);
40       count++;
41    }
42    speex_preprocess_state_destroy(st);
43    return 0;
44 }
45