function?[aspectrumwts]?=?audspec（pspectrum?sr?nfilts?fbtype?minfreq?maxfreq?sumpower?bwidth）
%[aspectrumwts]?=?audspec（pspectrum?sr?nfilts?fbtype?minfreq?maxfreq?sumpower?bwidth）
%
%?perform?critical?band?analysis?（see?PLP）
%?takes?power?spectrogram?as?input

if?nargin?if?nargin?if?nargin?if?nargin?if?nargin?if?nargin?if?nargin?
[nfreqsnframes]?=?size（pspectrum）;

nfft?=?（nfreqs-1）*2;

if?strcmp（fbtype?‘bark‘）
??wts?=?fft2barkmx（nfft?sr?nfilts?bwidth?minfreq?maxfreq）;
elseif?strcmp（fbtype?‘mel‘）
??wts?=?fft2melmx（nfft?sr?nfilts?bwidth?minfreq?maxfreq）;
elseif?strcmp（fbtype?‘htkmel‘）
??wts?=?fft2melmx（nfft?sr?nfilts?bwidth?minfreq?maxfreq?1?1）;
elseif?strcmp（fbtype?‘fcmel‘）
??wts?=?fft2melmx（nfft?sr?nfilts?bwidth?minfreq?maxfreq?1?0）;
else
??disp（[‘fbtype?‘?fbtype?‘?not?recognized‘]）;
??error;
end

wts?=?wts（:?1:nfreqs）;

%?Integrate?FFT?bins?into?Mel?bins?in?abs?or?abs^2?domains:
if?（sumpower）
??aspectrum?=?wts?*?pspectrum;
else
??aspectrum?=?（wts?*?sqrt（pspectrum））.^2;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1306??2016-01-12?20:40??audspec.m
?????文件?????????554??2016-01-12?20:40??bark2hz.m
?????文件????????1513??2016-01-12?20:40??cep2spec.m
?????文件?????????720??2016-01-12?20:40??cmvn.m
?????文件????????2963??2016-01-12?20:40??compute_bw_stats.m
?????文件????????3293??2017-11-19?11:03??compute_eer.m
?????文件?????????158??2016-01-12?20:40??cosscore.m
?????文件?????????858??2016-01-12?20:40??deltas.m
?????文件????????4612??2017-11-19?11:05??demo_gmm_ubm_artificial.m
?????文件????????3277??2017-11-18?08:17??demo_gmm_ubm.m
?????文件????????5830??2017-11-19?11:05??demo_ivector_plda_artificial.m
?????文件????????5372??2016-01-12?20:40??demo_ivector_plda.m
?????文件????????1195??2016-01-12?20:40??demo_mfcc.m
?????文件?????????678??2016-01-12?20:40??dolpc.m
?????文件?????????672??2016-01-12?20:40??energy.m
?????文件????????2421??2016-01-12?20:40??extract_ivector.m
?????文件?????????526??2016-01-12?20:40??featureExtract.m
?????文件????????1557??2016-01-12?20:40??fea_warping.m
?????文件????????1526??2016-01-12?20:40??fft2barkmx.m
?????文件????????5134??2016-01-12?20:40??fft2melmx.m
?????文件????????6214??2016-01-12?20:40??gmm_em.m
?????文件????????5108??2016-01-12?20:40??gplda_em.m
?????文件?????????223??2016-01-12?20:40??hamming.m
?????文件?????????603??2016-01-12?20:40??htkread.m
?????文件?????????534??2016-01-12?20:40??htkwrite.m
?????文件?????????629??2016-01-12?20:40??hz2bark.m
?????文件????????1003??2016-01-12?20:40??hz2mel.m
?????文件????????1327??2016-01-12?20:40??invaudspec.m
?????文件????????1689??2016-01-12?20:40??invmelfcc.m
?????文件????????1520??2016-01-12?20:40??invpostaud.m
?????文件????????1380??2016-01-12?20:40??invpowspec.m
............此處省略30個文件信息