| Summary: | 碩士 === 大葉大學 === 電機工程學系 === 100 === This thesis uses the the application of the Grey Relation Grade to odentify the speech,and thus taking a deeper perspective in the discussion of the stability and the success rate of the Grey Relation Grade in speech recognition when put in different distances.First,the system records a voice database,and puts the recorded database through a pre-noise reduction process.secondly,the Mel-frequency cepstrum is used to retrieve the characteristics of speech.Hoping to analyse and identify the difference between the gray relation and the database’s eigenvalues Finally,implementing the recognition and application of speech identification in different distances is also consideed.
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