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Energy 的代码
energy.c
/*
$Log: energy.c,v $
* Revision 1.1 1996/08/19 22:32:17 jaf
* Initial revision
*
*/
#ifdef P_R_O_T_O_T_Y_P_E_S
extern int energy_(integer *len, real *speech, real *rms);
#endif
/* -- trans
energy.f
**********************************************************************
*
* ENERGY Version 50
*
**********************************************************************
*
* Compute RMS energy
*
* Inputs:
energy.c
/**********************************************************************
*
* ENERGY Version 50
*
**********************************************************************
*
* Compute RMS energy
*
* Inputs
energy.c
/*
$Log: energy.c,v $
Revision 1.2 2002/02/15 03:57:55 yurik
Warnings removed during compilation, patch courtesy of Jehan Bing, jehan@bravobrava.com
Revision 1.1 2000/06/05 04:45:12 robertj
Adde
energy.c
/*
$Log: energy.c,v $
* Revision 1.1 1996/08/19 22:32:17 jaf
* Initial revision
*
*/
#ifdef P_R_O_T_O_T_Y_P_E_S
extern int energy_(integer *len, real *speech, real *rms);
#endif
/* -- trans
energy.c
/*
$Log: energy.c,v $
Revision 1.1 2000/06/05 04:45:12 robertj
Added LPC-10 2400bps codec
* Revision 1.1 1996/08/19 22:32:17 jaf
* Initial revision
*
*/
#ifdef P_R_O_T_O_T_Y_P_E_S
extern i
energy.c
/*
$Log: energy.c,v $
Revision 1.1.1.1 2002/07/28 05:23:27 freeman_yong
lpc10 codec
* Revision 1.1 1996/08/19 22:32:17 jaf
* Initial revision
*
*/
#ifdef P_R_O_T_O_T_Y_P_E_S
e
energy.m
function[e]=energy(s);
e=sum(s.*s)/max(size(s));
energy.h
/* energy.h */
/* Vladimir Kolmogorov (vnk@cs.cornell.edu), 2003. */
/*
This software implements an energy minimization technique described in
What Energy Functions can be Minimized via Grap
energy.m
function [En,Mn]=energy(xn)
%本函数的功能是求各帧的短时能量En 及 短时平均幅度函数Mn
n=size(xn,2); %获取帧数
for i=1:n
Mn=sum(abs(xn));
En=sum(xn.*xn);
en