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- W249455002 abstract "In this paper, we propose the speech enhancement algorithm using an one-microphone in a reverberant room environments. Spectral subtraction is the effective method which can reduce the reverberation element and the noise in a spectrum domain. Spectral subtraction needs correct separation of voice section and silent section therefore to improve the performance, voice activity detection(VAD) based on entropy has been applied to the proposed method. We test a performance of the proposed method by comparing with conventional method which used VAD based on energy detection. Reverberation reduction ratio with variable of SNR and a reverberation time is used as a test index. From the simulation result, proposed method shows performance better than conventional method." @default.
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- W249455002 date "2009-01-01" @default.
- W249455002 modified "2023-09-27" @default.
- W249455002 title "Performance Enhancement of Speech Communication System using Reverberation Rejection" @default.
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