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2
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1 /* testdenoise.c
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2 * Jean-Marc Valin, www.speex.org
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3 * Changes Andre Adrian
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4 *
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5
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6 cc -O2 -o testdenoise testdenoise.c -lm -lspeex
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7
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8 */
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9
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10
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11 #ifdef HAVE_CONFIG_H
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12 #include "config.h"
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13 #endif
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14
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15 #include <speex/speex_preprocess.h>
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16 #include <stdio.h>
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17
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18 #define NN 160
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19
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20 typedef signed short MONO;
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21
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22 typedef struct {
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23 signed short l;
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24 signed short r;
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25 } STEREO;
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26
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27 int main()
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28 {
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29 STEREO in[NN];
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30 MONO inm[NN];
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31 int i;
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32 SpeexPreprocessState *st;
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33 int count=0;
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34 float f;
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35
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36 st = speex_preprocess_state_init(NN, 8000);
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37 i=1;
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38 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DENOISE, &i);
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39 i=0;
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40 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_AGC, &i);
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41 f=8000;
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42 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_AGC_LEVEL, &f);
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43 i=0;
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44 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB, &i);
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45 f=.4;
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46 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB_DECAY, &f);
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47 f=.3;
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48 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB_LEVEL, &f);
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49 while (1)
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50 {
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51 int vad;
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52 fread(in, sizeof(STEREO), NN, stdin);
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53 for (i = 0; i < NN; ++i) {
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54 inm[i] = in[i].l;
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55 }
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56
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57 if (feof(stdin))
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58 break;
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59 vad = speex_preprocess(st, inm, NULL);
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60 /*fprintf (stderr, "%d\n", vad);*/
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61 for (i = 0; i < NN; ++i) {
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62 in[i].l = inm[i];
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63 }
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64 fwrite(in, sizeof(STEREO), NN, stdout);
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65 count++;
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66 }
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67 speex_preprocess_state_destroy(st);
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68 return 0;
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69 }
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