function?FF?=?computeAllStatistics（fileName?win?step）

%?This?function?computes?the?average?and?std?values?for?the?following?audio
%?features:
%?-?energy?entropy
%?-?short?time?energy
%?-?spectral?rolloff
%?-?spectral?centroid
%?-?spectral?flux
%?
%?ARGUMENTS:
%?fileName:?the?name?of?the?.wav?file?in?which?the?signal?is?stored
%?win:?the?processing?window?（in?seconds）
%?step:?the?processing?step?（in?seconds）
%
%?RETURN?VALUE:
%?F:?a?12x1?array?containing?the?12?feature?statistics
%

[x?fs]?=?wavread（fileName）;

EE?=?Energy_Entropy_Block（x?win*fs?step*fs?10）;
E?=?ShortTimeEnergy（x?win*fs?step*fs）;
Z?=?zcr（x?win*fs?step*fs?fs）;
R?=?SpectralRollOff（x?win*fs?step*fs?0.80?fs）;
C?=?SpectralCentroid（x?win*fs?step*fs?fs）;
F?=?SpectralFlux（x?win*fs?step

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

?????文件???????1093??2008-02-05?15:39??MATLAB音頻特征提取\computeAllStatistics.m

?????文件???????2830??2008-03-16?23:24??MATLAB音頻特征提取\computeFeaturesDirectory.m

?????文件????????563??2008-02-05?14:49??MATLAB音頻特征提取\computeHistError.m

?????文件???????7072??2008-03-16?23:22??MATLAB音頻特征提取\Documentation.html

?????文件????????584??2006-03-07?11:39??MATLAB音頻特征提取\Energy_Entropy_Block.m

?????文件??????96676??2008-03-16?22:34??MATLAB音頻特征提取\example.jpg

?????文件???????1345??2009-05-19?13:09??MATLAB音頻特征提取\license.txt

?????文件????????860??2008-02-11?15:07??MATLAB音頻特征提取\myHist.m

?????文件???????2634??2010-01-14?20:57??MATLAB音頻特征提取\readme.txt

?????文件????????672??2006-02-16?08:01??MATLAB音頻特征提取\ShortTimeEnergy.m

?????文件????????620??2006-02-23?10:32??MATLAB音頻特征提取\SpectralCentroid.m

?????文件????????665??2006-01-30?15:38??MATLAB音頻特征提取\SpectralEntropy.m

?????文件????????599??2008-02-04?23:08??MATLAB音頻特征提取\SpectralFlux.m

?????文件????????659??2006-09-12?14:20??MATLAB音頻特征提取\SpectralRollOff.m

?????文件???????1895??2007-01-21?23:43??MATLAB音頻特征提取\statistic.m

?????文件????????497??2006-01-30?15:38??MATLAB音頻特征提取\zcr.m

?????目錄??????????0??2010-01-14?20:59??MATLAB音頻特征提取

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