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- W2359793744 abstract "We study and analyze the time-frequency characteristics of wavelet sub-band speech formant in the way of computer simulation experiments.It is obtained that every speech formant can be traced and found out in the sub-band.Combined with the human auditory perception,this paper presents a new algorithm of wavelet package threshold speech enhancement based on tracing the formant.The new algorithm can fit human auditory,closely trace the energy change of speech signal,and reduce the damage of weak speech signal through the adaptive adjustment of threshold coefficient.The simulation results show that the proposed algorithm is more effective than traditional algorithm for low signal-to-noise ratio input.It either removes noise as much as possible to improve the output SNR,or effectively reduce waveform distortion,and has a good sound effects." @default.
- W2359793744 created "2016-06-24" @default.
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- W2359793744 date "2011-01-01" @default.
- W2359793744 modified "2023-09-23" @default.
- W2359793744 title "Simulation of Wavelet Package Speech Enhancement Based on Tracing Formant" @default.
- W2359793744 hasPublicationYear "2011" @default.
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