17-5 Digit Recognition: Changing MFCC Dimensions and Gaussian Component Numbers (?¸å?辨è?：改變MFCC維度?ŒGaussian?‹æ•¸)

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Example 1: htk/chineseDigitRecog/training/htkMixture01.mhtkPrm=htkParamSet; maxMixNum=8; for i=1:maxMixNum htkPrm.mixtureNum=i; fprintf('====== %d/%d\n', i, maxMixNum); [trainRR(i), testRR(i)]=htkTrainTest(htkPrm); end plot(1:maxMixNum, trainRR, 'o-', 1:maxMixNum, testRR, 'o-'); xlabel('No. of mixtures'); ylabel('Recog. rate (%)'); legend('Inside test', 'Outside test');====== 1/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 2/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 3/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 4/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 5/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 6/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 7/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 8/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off

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Example 2: htk/chineseDigitRecog/training/htkMixtureMfcc01.m% Get the RR when feature dim. and mixture no. are changing htkPrm=htkParamSet; maxMixNum=8; for i=1:maxMixNum htkPrm.mixtureNum=i; fprintf('====== %d/%d\n', i, maxMixNum); [trainRR(i,1), testRR(i,1)]=htkTrainTest(htkPrm); end htkPrm.feaCfgFile='mfcc26.cfg'; htkPrm.feaType='MFCC_E_D_Z'; htkPrm.feaDim=26; htkPrm.streamWidth=[26]; for i=1:maxMixNum htkPrm.mixtureNum=i; fprintf('====== %d/%d\n', i, maxMixNum); [trainRR(i,2), testRR(i,2)]=htkTrainTest(htkPrm); end htkPrm.feaCfgFile='mfcc39.cfg'; htkPrm.feaType='MFCC_E_D_A_Z'; htkPrm.feaDim=39; htkPrm.streamWidth=[39]; for i=1:maxMixNum htkPrm.mixtureNum=i; fprintf('====== %d/%d\n', i, maxMixNum); [trainRR(i,3), testRR(i,3)]=htkTrainTest(htkPrm); end plot( 1:maxMixNum, trainRR(:,1), '^-b', 1:maxMixNum, testRR(:,1), 'o-b', ... 1:maxMixNum, trainRR(:,2), '^-g', 1:maxMixNum, testRR(:,2), 'o-g', ... 1:maxMixNum, trainRR(:,3), '^-r', 1:maxMixNum, testRR(:,3), 'o-r'); xlabel('No. of mixtures'); ylabel('Recog. rate (%)'); legend('13D, Inside test', '13D, Outside Test', '26D, Inside Test', '26D, Outside test', '39D, Inside test', '39D, Outside test', 'Location', 'BestOutside');====== 1/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 2/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 3/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 4/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 5/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 6/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 7/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 8/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 1/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 2/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 3/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 4/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 5/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 6/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 7/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 8/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 1/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 2/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 3/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 4/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 5/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 6/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 7/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off ====== 8/8 Pruning-Off Pruning-Off Pruning-Off Pruning-Off Pruning-Off

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Audio Signal Processing and Recognition (­µ°T³B²z»P¿ëÃÑ)