diff options
Diffstat (limited to 'misc/de.c')
| -rw-r--r-- | misc/de.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/misc/de.c b/misc/de.c deleted file mode 100644 index 9726743..0000000 --- a/misc/de.c +++ /dev/null @@ -1,59 +0,0 @@ -/* - de.c - David Rowe - Sep 26 2012 - - Takes audio from a file, de-emphasises, and sends to output file. -*/ - -#include <assert.h> -#include <errno.h> -#include <math.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "lpc.h" - -#define N 80 - -int main(int argc, char *argv[]) { - FILE *fin, *fout; - short buf[N]; - float Sn[N], Sn_de[N]; - float de_mem = 0.0; - int i; - - if (argc != 3) { - printf("usage: de InputRawSpeechFile OutputRawSpeechFile\n"); - printf("e.g de input.raw output.raw"); - exit(1); - } - - if (strcmp(argv[1], "-") == 0) fin = stdin; - else if ( (fin = fopen(argv[1],"rb")) == NULL ) { - fprintf(stderr, "Error opening input speech file: %s: %s.\n", - argv[1], strerror(errno)); - exit(1); - } - - if (strcmp(argv[2], "-") == 0) fout = stdout; - else if ( (fout = fopen(argv[2],"wb")) == NULL ) { - fprintf(stderr, "Error opening output speech file: %s: %s.\n", - argv[2], strerror(errno)); - exit(1); - } - - while(fread(buf, sizeof(short), N, fin) == N) { - for(i=0; i<N; i++) - Sn[i] = buf[i]; - de_emp(Sn_de, Sn, &de_mem, N); - for(i=0; i<N; i++) - buf[i] = Sn_de[i]; - fwrite(buf, sizeof(short), N, fout); - } - - fclose(fin); - fclose(fout); - - return 0; -} |
