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- W1569416205 abstract "Sub-band methods are often used to address the problem of convolutive blind speech separation, as they offer the computational advantage of approximating convolutions by multiplications. The computational load, however, often remains quite high, because separation is performed on several sub-bands. In this paper, we exploit the well known fact that the high frequency content of speech signals typically conveys little information, since most of the speech power is found in frequencies up to 4kHz, and consider separation only in frequency bands below a certain threshold. We investigate the effect of changing the threshold, and find that separation performed only in the low frequencies can lead to the recovered signals being similar in quality to those extracted from all frequencies." @default.
- W1569416205 created "2016-06-24" @default.
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- W1569416205 date "2007-10-01" @default.
- W1569416205 modified "2023-09-27" @default.
- W1569416205 title "Convolutive Blind Source Separation of Speech Signals in the Low Frequency Bands" @default.
- W1569416205 hasPublicationYear "2007" @default.
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