From b409a4b0c6131e01fc5a03c0fc31caa4829b0dec Mon Sep 17 00:00:00 2001 From: Johnathan Corgan <jcorgan@corganenterprises.com> Date: Mon, 18 Jul 2011 15:54:43 -0700 Subject: gr-vocoder: re-implemented gr-codec2-vocoder inside gr-vocoder --- gr-vocoder/lib/codec2/globals.c | 49 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 gr-vocoder/lib/codec2/globals.c (limited to 'gr-vocoder/lib/codec2/globals.c') diff --git a/gr-vocoder/lib/codec2/globals.c b/gr-vocoder/lib/codec2/globals.c new file mode 100644 index 0000000000..f2182f79a5 --- /dev/null +++ b/gr-vocoder/lib/codec2/globals.c @@ -0,0 +1,49 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: globals.c + AUTHOR......: David Rowe + DATE CREATED: 11/5/94 + + Globals for sinusoidal speech coder. + +\*---------------------------------------------------------------------------*/ + +/* + 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/>. +*/ + +#include "sine.h" /* global defines for coder */ + +/* Globals used in encoder and decoder */ + +int frames; /* number of frames processed so far */ +float Sn[M]; /* float input speech samples */ +MODEL model; /* model parameters for the current frame */ +int Nw; /* number of samples in analysis window */ +float sig; /* energy of current frame */ + +/* Globals used in encoder */ + +float w[M]; /* time domain hamming window */ +COMP W[FFT_ENC]; /* DFT of w[] */ +COMP Sw[FFT_ENC]; /* DFT of current frame */ + +/* Globals used in decoder */ + +COMP Sw_[FFT_ENC]; /* DFT of all voiced synthesised signal */ +float Sn_[AW_DEC]; /* synthesised speech */ +float Pn[AW_DEC]; /* time domain Parzen (trapezoidal) window */ + -- cgit v1.2.3