function?[RnFn]=auto_correlation（xn）
%該函數是求各的短時自相關函數Rn和短時平均幅度差函數AMDF?Fn
N=size（xn1）;
n=size（xn2）;
K=N-1;
for?i=1:n
????for?k=1:K
????????Rn（ki）=sum（xn（1:N-ki）.*xn（1+k:Ni））;
????????Fn（ki）=sum（abs（xn（1:N-ki）-xn（1+k:Ni）））;
????end
end

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

?????文件????????277??2007-10-17?13:46??Speech?signal?short?time?analysis\auto_correlation.m

?????文件????????111??2007-10-23?22:09??Speech?signal?short?time?analysis\cepstrum.m

?????文件????????130??2007-10-22?10:30??Speech?signal?short?time?analysis\complex_cepstrum.m

?????文件????????229??2007-10-17?12:16??Speech?signal?short?time?analysis\energy.m

?????文件????????994??2007-10-19?08:39??Speech?signal?short?time?analysis\enframe.m

?????文件????????518??2007-10-25?19:38??Speech?signal?short?time?analysis\lpc_cepstrum.m

?????文件???????1338??2007-10-25?19:42??Speech?signal?short?time?analysis\lpc_coefficients.m

?????文件????????285??2007-10-26?18:56??Speech?signal?short?time?analysis\lpc_spectrum.m

?????文件????????873??2007-10-26?19:14??Speech?signal?short?time?analysis\lsp.m

?????文件???????2203??2007-10-28?09:03??Speech?signal?short?time?analysis\main.m

?????文件???????1202??2007-10-19?10:13??Speech?signal?short?time?analysis\short_time_analysis.m

?????文件????????172??2007-10-19?08:22??Speech?signal?short?time?analysis\zero_crossing_rate.m

?????文件????????326??2007-10-19?10:03??Speech?signal?short?time?analysis\zero_crossing_rate2.m

?????目錄??????????0??2010-09-17?15:50??Speech?signal?short?time?analysis

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?????????????????8658????????????????????14