mirror of
https://github.com/signalwire/freeswitch.git
synced 2025-02-22 01:24:02 +00:00
49 lines
2.0 KiB
C
49 lines
2.0 KiB
C
|
/*---------------------------------------------------------------------------*\
|
||
|
|
||
|
FILE........: globals.h
|
||
|
AUTHOR......: David Rowe
|
||
|
DATE CREATED: 1/11/94
|
||
|
|
||
|
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, write to the Free Software
|
||
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
*/
|
||
|
|
||
|
/* Globals used in encoder and decoder */
|
||
|
|
||
|
extern int frames; /* number of frames processed so far */
|
||
|
extern float Sn[]; /* float input speech samples */
|
||
|
extern MODEL model; /* model parameters for the current frame */
|
||
|
extern int Nw; /* number of samples in analysis window */
|
||
|
extern float sig; /* energy of current frame */
|
||
|
|
||
|
/* Globals used in encoder */
|
||
|
|
||
|
extern float w[]; /* time domain hamming window */
|
||
|
extern COMP W[]; /* frequency domain hamming window */
|
||
|
extern COMP Sw[]; /* DFT of current frame */
|
||
|
extern COMP Sw_[]; /* DFT of all voiced synthesised signal */
|
||
|
|
||
|
/* Globals used in decoder */
|
||
|
|
||
|
extern float Sn_[]; /* output synthesised speech samples */
|
||
|
extern float Pn[]; /* time domain Parzen (trapezoidal) window */
|
||
|
|