语音识别系统设计

function NormMatrix = CMN（Matrix）



[rc]=size（Matrix）;
NormMatrix=zeros（rc）;
for i=1:c
    MatMean=mean（Matrix（:i））;  %Derives mean for each column i in utterance
    NormMatrix（:i）=Matrix（:i）-MatMean; %Subtracts mean from each element in
                                         %column i
end

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2009-02-01 15:21  SpeechRec
     目录           0  2009-02-01 15:20  SpeechRecSpeechRec
     文件         311  2009-02-01 15:20  SpeechRecSpeechRecCMN.m
     文件         562  2009-02-01 15:20  SpeechRecSpeechRecdeltacoeff.m
     文件        1320  2009-02-01 15:20  SpeechRecSpeechRecDTWScores.m
     文件         763  2009-02-01 15:22  SpeechRecSpeechRecImportant Information!.txt
     文件        3549  2005-02-21 15:22  SpeechRecSpeechRecmelbankm.m
     文件        2205  2009-02-01 15:21  SpeechRecSpeechRecmfccf.m
     文件         972  2009-02-01 15:21  SpeechRecSpeechRecmyDTW.m
     文件        5022  2009-02-01 15:21  SpeechRecSpeechRecmyVAD.m
     文件        2390  2009-02-01 15:21  SpeechRecSpeechRec
reduce.m
     文件        2506  2009-02-01 15:21  SpeechRecSpeechRecRecognition.m
     文件        1940  2009-02-01 15:21  SpeechRecSpeechRecsetTemplates.m
     目录           0  2008-03-22 18:19  SpeechRecSpeechRecSpeechData
     目录           0  2008-03-22 18:19  SpeechRecSpeechRecSpeechDataAmir
     文件       27184  2007-09-13 20:57  SpeechRecSpeechRecSpeechDataAmir5_1.wav
     文件       23172  2007-09-13 21:12  SpeechRecSpeechRecSpeechDataAmir5_10.wav
     文件       25160  2007-09-14 04:14  SpeechRecSpeechRecSpeechDataAmir5_11.wav
     文件       20134  2007-09-14 15:03  SpeechRecSpeechRecSpeechDataAmir5_12.wav
     文件       26124  2007-09-14 15:04  SpeechRecSpeechRecSpeechDataAmir5_13.wav
     文件       31190  2007-09-14 15:09  SpeechRecSpeechRecSpeechDataAmir5_14.wav
     文件       27612  2007-09-14 15:10  SpeechRecSpeechRecSpeechDataAmir5_15.wav
     文件       29204  2007-09-14 15:11  SpeechRecSpeechRecSpeechDataAmir5_16.wav
     文件       27044  2007-09-14 15:12  SpeechRecSpeechRecSpeechDataAmir5_17.wav
     文件       33404  2007-09-14 15:13  SpeechRecSpeechRecSpeechDataAmir5_18.wav
     文件       22572  2007-09-14 15:14  SpeechRecSpeechRecSpeechDataAmir5_19.wav
     文件       32726  2007-09-13 20:59  SpeechRecSpeechRecSpeechDataAmir5_2.wav
     文件       25994  2007-09-14 15:15  SpeechRecSpeechRecSpeechDataAmir5_20.wav
     文件       27856  2007-09-13 21:01  SpeechRecSpeechRecSpeechDataAmir5_3.wav
     文件       26858  2007-09-13 21:01  SpeechRecSpeechRecSpeechDataAmir5_4.wav
     文件       33898  2007-09-13 21:03  SpeechRecSpeechRecSpeechDataAmir5_5.wav
............此处省略95个文件信息