Mercurial > hg > audiostuff
comparison intercom/testdenoise.c @ 2:13be24d74cd2
import intercom-0.4.1
| author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
|---|---|
| date | Fri, 25 Jun 2010 09:57:52 +0200 |
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| 1:9cadc470e3da | 2:13be24d74cd2 |
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| 1 /* testdenoise.c | |
| 2 * Jean-Marc Valin, www.speex.org | |
| 3 * Changes Andre Adrian | |
| 4 * | |
| 5 | |
| 6 cc -O2 -o testdenoise testdenoise.c -lm -lspeex | |
| 7 | |
| 8 */ | |
| 9 | |
| 10 | |
| 11 #ifdef HAVE_CONFIG_H | |
| 12 #include "config.h" | |
| 13 #endif | |
| 14 | |
| 15 #include <speex/speex_preprocess.h> | |
| 16 #include <stdio.h> | |
| 17 | |
| 18 #define NN 160 | |
| 19 | |
| 20 typedef signed short MONO; | |
| 21 | |
| 22 typedef struct { | |
| 23 signed short l; | |
| 24 signed short r; | |
| 25 } STEREO; | |
| 26 | |
| 27 int main() | |
| 28 { | |
| 29 STEREO in[NN]; | |
| 30 MONO inm[NN]; | |
| 31 int i; | |
| 32 SpeexPreprocessState *st; | |
| 33 int count=0; | |
| 34 float f; | |
| 35 | |
| 36 st = speex_preprocess_state_init(NN, 8000); | |
| 37 i=1; | |
| 38 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DENOISE, &i); | |
| 39 i=0; | |
| 40 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_AGC, &i); | |
| 41 f=8000; | |
| 42 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_AGC_LEVEL, &f); | |
| 43 i=0; | |
| 44 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB, &i); | |
| 45 f=.4; | |
| 46 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB_DECAY, &f); | |
| 47 f=.3; | |
| 48 speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB_LEVEL, &f); | |
| 49 while (1) | |
| 50 { | |
| 51 int vad; | |
| 52 fread(in, sizeof(STEREO), NN, stdin); | |
| 53 for (i = 0; i < NN; ++i) { | |
| 54 inm[i] = in[i].l; | |
| 55 } | |
| 56 | |
| 57 if (feof(stdin)) | |
| 58 break; | |
| 59 vad = speex_preprocess(st, inm, NULL); | |
| 60 /*fprintf (stderr, "%d\n", vad);*/ | |
| 61 for (i = 0; i < NN; ++i) { | |
| 62 in[i].l = inm[i]; | |
| 63 } | |
| 64 fwrite(in, sizeof(STEREO), NN, stdout); | |
| 65 count++; | |
| 66 } | |
| 67 speex_preprocess_state_destroy(st); | |
| 68 return 0; | |
| 69 } |