An Exploration of the Application of Praat Speech Software in the Field of Investigation
In investigation technology,voiceprint recognition technology is a kind of biometric technology to recognize the identity of the speaker.This paper mainly adopts the professional software of phonetics Praat to produce the corresponding speech maps of 26 experimenters'Mandarin and local languages and conducts the comparative analysis of the geographical experimental research before and after the change of pronunciation of the same sound source.This study can provide clues and directions for investigation,thus improving the efficiency of crime solving.
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