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Diffstat (limited to 'gr-vocoder/lib/codec2/defines.h')
| -rw-r--r-- | gr-vocoder/lib/codec2/defines.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/gr-vocoder/lib/codec2/defines.h b/gr-vocoder/lib/codec2/defines.h deleted file mode 100644 index 75064fae1..000000000 --- a/gr-vocoder/lib/codec2/defines.h +++ /dev/null @@ -1,88 +0,0 @@ -/*---------------------------------------------------------------------------*\ - - FILE........: defines.h - AUTHOR......: David Rowe - DATE CREATED: 23/4/93 - - Defines and structures used throughout the codec. - -\*---------------------------------------------------------------------------*/ - -/* - Copyright (C) 2009 David Rowe - - All rights reserved. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License version 2.1, as - published by the Free Software Foundation. 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 Lesser General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. -*/ - -#ifndef __DEFINES__ -#define __DEFINES__ - -/*---------------------------------------------------------------------------*\ - - DEFINES - -\*---------------------------------------------------------------------------*/ - -/* General defines */ - -#define N 80 /* number of samples per frame */ -#define MAX_AMP 80 /* maximum number of harmonics */ -#define PI 3.141592654 /* mathematical constant */ -#define TWO_PI 6.283185307 /* mathematical constant */ -#define FS 8000 /* sample rate in Hz */ -#define MAX_STR 256 /* maximum string size */ - -#define NW 279 /* analysis window size */ -#define FFT_ENC 512 /* size of FFT used for encoder */ -#define FFT_DEC 512 /* size of FFT used in decoder */ -#define TW 40 /* Trapezoidal synthesis window overlap */ -#define V_THRESH 6.0 /* voicing threshold in dB */ -#define LPC_MAX 20 /* maximum LPC order */ -#define LPC_ORD 10 /* phase modelling LPC order */ - -/* Pitch estimation defines */ - -#define M 320 /* pitch analysis frame size */ -#define P_MIN 20 /* minimum pitch */ -#define P_MAX 160 /* maximum pitch */ - -/*---------------------------------------------------------------------------*\ - - TYPEDEFS - -\*---------------------------------------------------------------------------*/ - -/* Structure to hold model parameters for one frame */ - -typedef struct { - float Wo; /* fundamental frequency estimate in radians */ - int L; /* number of harmonics */ - float A[MAX_AMP]; /* amplitiude of each harmonic */ - float phi[MAX_AMP]; /* phase of each harmonic */ - int voiced; /* non-zero if this frame is voiced */ -} MODEL; - -/* describes each codebook */ - -struct lsp_codebook { - int k; /* dimension of vector */ - int log2m; /* number of bits in m */ - int m; /* elements in codebook */ - const float * cb; /* The elements */ -}; -extern const struct lsp_codebook lsp_cb[]; -extern const struct lsp_codebook lsp_cbd[]; -extern const struct lsp_codebook lsp_cbdvq[]; - -#endif |