stft

  利用时频分析的方法分析一段语音信号的时频特征，并进行降采样等处理，可直接运行(When the time-frequency analysis method to analyze the frequency of use of a voice signal characteristics, and down-sampling and other treatment, can be directly run)

stft
....\main.m,708,2015-06-16
....\mfiles
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....\......\ambifunb.m,2884,2005-10-13
....\......\ambifuwb.m,5455,2005-10-13
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....\......\amgauss.m,1654,2005-10-13
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....\......\anasing.m,1878,2005-10-13
....\......\anastep.m,1390,2005-10-13
....\......\atoms.m,5976,2005-10-13
....\......\Contents.m,8126,2005-10-13
....\......\contwtgn.m,3805,2005-10-13
....\......\contwtgnmir.m,2688,2005-10-13
....\......\correlmx.m,2242,2005-10-13
....\......\CVS
....\......\...\Entries,5573,2008-02-15
....\......\...\Repository,12,2008-02-15
....\......\...\Root,57,2008-02-15
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....\......\disprog.m,1392,2005-10-13
....\......\divider.m,1134,2005-10-13
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....\......\fmodany.m,1804,2005-10-13
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....\......\is_octave.m,1031,2007-11-30
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....\......\loctime.m,1306,2005-10-13
....\......\margtfr.m,1738,2005-10-13
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....\......\midpoint.m,2999,2005-10-13
....\......\modulo.m,1106,2008-02-15
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....\......\momttfr.m,3809,2005-10-13
....\......\movcw4at.m,2156,2005-10-13
....\......\movpwdph.m,2494,2005-10-13
....\......\movpwjph.m,2589,2005-10-13
....\......\movsc2wv.m,2384,2005-10-13
....\......\movsp2wv.m,2408,2005-10-13
....\......\movwv2at.m,1718,2005-10-13
....\......\noisecg.m,2691,2005-10-13
....\......\noisecu.m,1780,2005-10-13
....\......\odd.m,1494,2005-10-13
....\......\parafrep.m,3096,2005-10-13
....\......\plotifl.m,3048,2005-10-13
....\......\plotsid.m,3155,2005-10-13
....\......\renyi.m,2347,2005-10-13
....\......\ridges.m,3814,2005-10-13
....\......\scale.m,4787,2005-10-13
....\......\sgrpdlay.m,2324,2005-10-13
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....\......\tffilter.m,3282,2005-10-13
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....\......\tfrbj.m,4217,2005-10-13
....\......\tfrbud.m,4615,2005-10-13
....\......\tfrcw.m,4649,2005-10-13
....\......\tfrdfla.m,6740,2005-10-13
....\......\tfrgabor.m,4624,2005-10-13
....\......\tfrgrd.m,4881,2005-10-13
....\......\tfrideal.m,2959,2005-10-13
....\......\tfristft.m,2895,2005-10-13
....\......\tfrmh.m,2627,2005-10-13
....\......\tfrmhs.m,3842,2005-10-13
....\......\tfrmmce.m,3161,2005-10-13