///////////////////////////////////////////////////////////////////////////////
//?This?is?a?part?of?the?Feature?program.
//?Version:?1.0
//?Date:?February?22?2003
//?Programmer:?Oh-Wook?Kwon
//?Copyright（c）?2003?Oh-Wook?Kwon.?All?rights?reserved.?owkwon@ucsd.edu
///////////////////////////////////////////////////////////////////////////////

#include?“StdAfx.h“
#include?“FE_feature.h“


typedef?CPolynomial?Polynomial;
typedef?Complex?CComplex;


int?Fe::fftcep_spectrum_basic（short?*sample?int?frameSize?float?*spectrum?int?fftSize?int?cepFilterLen）
{
	_fft_spectrum_basic（sample?frameSize?spectrum?fftSize?1?cepFilterLen）;
	return?1;
}


int?Fe::lpc_basic（short?*sample?int?frameSize?float?*acf?int?norder?float?*G）
{
	vector?frameA（frameSize）;
	preprocessing（sample?frameSize?&frameA[0]）;
	m_window.Windowing（&frameA[0]?frameSize?WIN_HAMMING）;
	_lpc_basic（&frameA[0]?frameSize?acf?norder?G）;
	return（1）;
}


int?Fe::lpc_cov_basic（short?*sample?int?frameSize?float?*acf?int?norder?float?*G）
{
	vector?frameA（frameSize）;
	for（int?i=0;iameSize;i++）?frameA[i]=sample[i];
	FeMatrix?cov（norder+1?norder+1）;
	lpc_cov（&frameA[0]?frameSize?cov?acf?norder?G）;
	return（1）;
}


int?Fe::parcor_basic（short?*sample?int?frameSize?float?*kcf?int?norder）
{
	float?G;
	vector?acf（norder+1）;
	vector?frameA（frameSize）;
	preprocessing（sample?frameSize?&frameA[0]）;
	m_window.Windowing（&frameA[0]?frameSize?WIN_HAMMING）;
	_lpc_parcor_basic（&frameA[0]?frameSize?&acf[0]?kcf?norder?&G）;
	return（1）;
}


int	Fe::lar_basic（short?*sample?int?frameSize?float?*lar?int?norder）
{
	float?G;
	vector?acf（norder+1）;
	vector?kcf（norder+1）;
	vector?frameA（frameSize）;
	preprocessing（sample?frameSize?&frameA[0]）;
	m_window.Windowing（&frameA[0]?frameSize?WIN_HAMMING）;
	_lpc_parcor_basic（&frameA[0]?frameSize?&acf[0]?&kcf[0]?norder?&G）;
	lar[0]?=?0;
	for（int?i=1;?i<=?norder;?i++）{
		lar[i]?=?（float）log（（1-kcf[i]）/（1+kcf[i]））;
	}
	return（1）;
}


int	Fe::lpc_spectrum_basic（short?*sample?int?frameSize?int?norder?float?*spectrum?int?fftSize）
{
	int?i;
	float?G;
	vector?acf（fftSize）;
	lpc_basic（sample?frameSize?&acf[0]?norder?&G）;
	int?log2fftsize?=?（int）（log（fftSize）/log（2）+0.5）;
	float?logGdb?=?（G>0???20*LOG10（G）?:?FE_MIN_LOG_ENERGY）;	/*?power?spectrum?*/
	acf[0]?=?1;
	/*?Note?that?the?definition?of?a[]?is?y（n）?=?a（1）y（n-1）?+?a（2）y（n-2）?+?...?*/
	for（i=1;i<=norder;i++）?acf[i]?=?-acf[i];
	
	compute_spectrum（&acf[0]?spectrum?norder+1?log2fftsize）;
	
	/*?Note?that?spectrum?is?in?the?power?domain.?*/
	for（i=0;i		float?db=（spectrum[i]>FE_MIN_ENERGY???10*LOG10（spectrum[i]）?:?10*LOG10（FE_MIN_ENERGY））;
		spectrum[i]?=?（float）（logGdb-db）;
	}
	
	return（1）;
}


int	Fe::lpccep_spectrum_basic（short?*sample?int?frameSize?int?ceporder?int?norder?float?*spectrum?int

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2337??2003-05-14?16:51??FE_delta.cpp

?????文件??????17838??2003-05-18?14:48??Speech\test1.formant

?????文件??????44406??2003-05-18?14:48??Speech\test1.mfc

?????文件???????6916??2003-05-18?14:48??Speech\test1.pitch

?????文件??????45505??2003-05-18?14:48??Speech\test1.plp

?????文件??????96028??1998-05-31?18:23??Speech\test1.raw

?????文件??????96026??2003-05-18?14:48??Speech\test2.den

?????文件??????96026??2003-02-03?16:36??Speech\test2.raw

????..AD...?????????0??2003-05-18?14:49??Speech

?????文件???????9372??2003-05-15?08:22??FE_basic.cpp

?????文件???????4935??2003-05-15?08:22??FE_common.h

?????文件???????8985??2003-05-14?18:23??FE_complex.h

?????文件???????4984??2003-04-04?13:21??FeatureLib\FeatureLib.dsp

?????文件???????1446??2003-04-04?12:38??FeatureLib\FeatureLib.plg

????..AD...?????????0??2003-05-18?14:47??FeatureLib

?????文件??????21618??2003-05-14?16:51??FE_endpoint.cpp

?????文件???????4127??2003-05-14?16:51??FE_endpoint.h

?????文件??????23958??2003-05-14?16:51??FE_enhance.cpp

?????文件???????5325??2003-05-14?16:51??FE_enhance.h

?????文件???????5028??2003-05-14?16:51??FE_epoch.cpp

?????文件???????2759??2003-05-14?16:51??FE_error.cpp

?????文件??????22844??2003-05-15?08:24??FE_feature.cpp

?????文件??????14460??2003-05-14?16:51??FE_feature.h

?????文件???????3737??2003-05-14?21:06??FE_formant.cpp

?????文件???????2571??2003-05-14?16:51??FE_io.cpp

?????文件??????11430??2003-05-15?08:22??FE_lpcc.cpp

?????文件???????4062??2003-05-14?21:12??FE_lsf.cpp

?????文件????????725??2003-05-14?18:07??FE_main.cpp

?????文件???????2714??2003-05-14?16:51??FE_matrix.h

?????文件???????5867??2003-05-14?16:51??FE_mfcc.cpp

............此處省略25個文件信息