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  • 大小: 2KB
    文件類型: .m
    金幣: 1
    下載: 0 次
    發布日期: 2021-06-03
  • 語言: C/C++
  • 標簽: mfcc??

資源簡介

mfcc 說話人識別代碼 語音識別 計算方法 特征提取

資源截圖

代碼片段和文件信息

function?c=melcepst(sfs)
%MELCEPST?Calculate?the?mel?cepstrum?of?a?signal?C=(SFSWNCPNINCFLFH)
%
%
%?Simple?use:?c=melcepst(sfs) %?calculate?mel?cepstrum?with?12?coefs?256?sample?frames
% ??c=melcepst(sfs‘e0dD‘)?%?include?log?energy?0th?cepstral?coef?delta?and?delta-delta?coefs
%
%?Inputs:
%?????s ?speech?signal
%?????fs??sample?rate?in?Hz?(default?11025)
%?????nc??number?of?cepstral?coefficients?excluding?0‘th?coefficient?(default?12)
%?????n???length?of?frame?(default?power?of?2?<30?ms))
%?????p???number?of?filters?in?filterbank?(default?floor(3*log(fs))?)
%?????inc?frame?increment?(default?n/2)
%?????fl??low?end?of?the?lowest?filter?as?a?fraction?of?fs?(default?=?0)
%?????fh??high?end?of?highest?filter?as?a?fraction?of?fs?(default?=?0.5)
%
% w???any?sensible?combination?of?the?following:
%
% ‘R‘??rectangular?window?in?time?domain
% ‘N‘ Hanning?window?in?time?domain
% ‘M‘ Hamming?window?in?time?domain?(default)
%
% ??????‘t‘??triangular?shaped?filters?in?mel?domain?(default)
% ??????‘n‘??hanning?shaped?filters?in?mel?domain
% ??????‘m‘??hamming?shaped?filters?in?mel?domain
%
% ‘p‘ filters?act?in?the?power?domain
% ‘a‘ filters?act?in?the?absolut

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