資源簡介
非常完整的語音信號提取matlab源碼。
包含PLP特征提取,mfcc特征提取,lpcc特征提取。以及rasta變換。
代碼片段和文件信息
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?2;??sr?=?16000;??????????????????????????end
if?nargin?3;??nfilts?=?ceil(hz2bark(sr/2))+1;??????end
if?nargin?4;??fbtype?=?‘bark‘;??end
if?nargin?5;??minfreq?=?0;????end
if?nargin?6;??maxfreq?=?sr/2;?end
if?nargin?7;??sumpower?=?1;???end
if?nargin?8;??bwidth?=?1.0;???end
[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?minf
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????1266??2012-09-04?07:01??Extract_Feature\audspec.m
?????文件????????536??2003-04-12?11:59??Extract_Feature\bark2hz.m
?????文件???????1468??2005-05-23?04:56??Extract_Feature\cep2spec.m
?????文件????????823??2011-07-24?11:50??Extract_Feature\deltas.m
?????文件????????648??2003-04-12?13:22??Extract_Feature\dolpc.m
?????文件???????1484??2010-08-13?22:03??Extract_Feature\fft2barkmx.m
?????文件???????4994??2010-08-13?22:32??Extract_Feature\fft2melmx.m
?????文件????????608??2003-04-12?12:07??Extract_Feature\hz2bark.m
?????文件????????972??2005-05-20?00:40??Extract_Feature\hz2mel.m
?????文件???????1284??2005-05-20?22:19??Extract_Feature\invaudspec.m
?????文件???????1646??2008-10-03?04:25??Extract_Feature\invmelfcc.m
?????文件???????1464??2005-05-23?10:27??Extract_Feature\invpostaud.m
?????文件???????1316??2008-10-03?04:24??Extract_Feature\invpowspec.m
?????文件???????1028??2005-05-16?13:25??Extract_Feature\ispecgram.m
?????文件????????955??2005-05-19?04:31??Extract_Feature\lifter.m
?????文件????????691??2005-05-19?07:11??Extract_Feature\lpc2cep.m
?????文件????????946??2004-02-05?05:45??Extract_Feature\lpc2spec.m
?????文件????????912??2005-05-20?00:40??Extract_Feature\mel2hz.m
?????文件???????4201??2012-09-04?06:59??Extract_Feature\melfcc.m
?????文件???????1543??2005-05-20?07:02??Extract_Feature\postaud.m
?????文件???????1706??2012-09-03?22:02??Extract_Feature\powspec.m
?????文件???????5168??2011-09-08?05:05??Extract_Feature\process_options.m
?????文件???????1016??2010-08-13?02:52??Extract_Feature\rastafilt.m
?????文件???????1787??2012-09-04?07:00??Extract_Feature\rastaplp.m
?????文件???????3062??2005-05-19?02:03??Extract_Feature\readhtk.m
?????文件???????1972??2005-05-20?02:24??Extract_Feature\spec2cep.m
?????目錄??????????0??2014-05-16?17:14??Extract_Feature
-----------?---------??----------?-----??----
????????????????43964????????????????????29
............此處省略2個文件信息
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