Calculating Inverse Filters for Speech Dereverberation
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概要
- 論文の詳細を見る
Speech dereverberation is one of the most difficult tasks in acoustic signal processing. Of the various problems involved in this task, this paper highlights “over-whitening,” which flattens the characteristics of recovered speech. This distortion sometimes happens when inverse filters are directly calculated from microphone signals. This paper reviews two studies related to this problem. The first study shows the possibility of compensating for such over-whitening to achieve precise speech-dereverberation. The second study presents a new approach for approximating the original speech by removing the effect of late reflections from observed reverberant speech.
- （社）電子情報通信学会の論文
- 2008-06-01
著者
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Kinoshita Keisuke
Ntt Communication Science Laboratories
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Miyoshi Masato
Ntt Communication Science Laboratories Ntt Corporation
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Delcroix Marc
Ntt Communication Science Laboratories Ntt Corporation
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Miyoshi Masato
NTT Communication Science Laboratories
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