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Design and Implement of Adaptive Speech Enhancer Based on Autocorrelation

YU Dayong(No.421 Hospital of PLA,Guangzhou 510000,China)  
In order to improve the definition of speech,an adaptive speech enhancer based on autocorrela-tion is proposed.The frequency of the enhancer and the principle of speech enhancing are analyzed in theory.And a speech enhancer device using the method is designed and implemented.The hardware structure is analyzed.The result shows that the speech signal in the white noise can be enhanced effec-tively using the method,and performance of the device meet the demand of speech enhancing in the telemedicine system.
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