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Diffstat (limited to 'vocoder~/lpc.h')
| -rw-r--r-- | vocoder~/lpc.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/vocoder~/lpc.h b/vocoder~/lpc.h new file mode 100644 index 0000000..c8d5d63 --- /dev/null +++ b/vocoder~/lpc.h @@ -0,0 +1,33 @@ +/* +vox - a musical real-time vocoder. version 1.0 +Copyright (C) 2000 Simon MORLAT (simon.morlat@free.fr) + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ + +/* variables globales */ +extern int dsp_fd; +extern int bsize; +extern double voix[512+256]; +extern double synth[512+256]; +extern double sortie[512+12]; +extern double *out; + +void lev_durb(double *corr,double *lpc_coef); +void comp_lpc(double *buf_x,double *corr,double *lpc_coef,int n); +void lpc_filter(double *buf_ppf, double *lpc_coef, double *buf_sy,int n); +void lsp2lpc(double *lsp_coef,double *lpc_coef); +void lpc2lsp(double lpc_coef[],double *f1,double *f2,double lsp_coef[]); +double evalc(double cw,double *fonc); |