diff options
Diffstat (limited to 'examples/rnnoise_demo.c')
-rw-r--r-- | examples/rnnoise_demo.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/examples/rnnoise_demo.c b/examples/rnnoise_demo.c new file mode 100644 index 0000000..83d0709 --- /dev/null +++ b/examples/rnnoise_demo.c @@ -0,0 +1,60 @@ +/* Copyright (c) 2018 Gregor Richards + * Copyright (c) 2017 Mozilla */ +/* + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <stdio.h> +#include "rnnoise.h" + +#define FRAME_SIZE 480 + +int main(int argc, char **argv) { + int i; + int first = 1; + float x[FRAME_SIZE]; + FILE *f1, *fout; + DenoiseState *st; + st = rnnoise_create(NULL); + if (argc!=3) { + fprintf(stderr, "usage: %s <noisy speech> <output denoised>\n", argv[0]); + return 1; + } + f1 = fopen(argv[1], "r"); + fout = fopen(argv[2], "w"); + while (1) { + short tmp[FRAME_SIZE]; + fread(tmp, sizeof(short), FRAME_SIZE, f1); + if (feof(f1)) break; + for (i=0;i<FRAME_SIZE;i++) x[i] = tmp[i]; + rnnoise_process_frame(st, x, x); + for (i=0;i<FRAME_SIZE;i++) tmp[i] = x[i]; + if (!first) fwrite(tmp, sizeof(short), FRAME_SIZE, fout); + first = 0; + } + rnnoise_destroy(st); + fclose(f1); + fclose(fout); + return 0; +} |