Spatial covariance models for under-determined reverberant audio source separation

The separation of under-determined convolutive audio mixtures is generally addressed in the time-frequency domain where the sources exhibit little overlap. Most previous approaches rely on the approximation of the mixing process by complex-valued multiplication in each frequency bin. This is equival...

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Bibliographische Detailangaben

Hauptverfasser:	Duong, N.Q.K., Vincent, E., Gribonval, R.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Acoustics Audio source separation Computer Science Covariance matrix Frequency Maximum likelihood estimation Microphones Reverberation Signal processing Sound Source separation Sparse matrices spatial covariance models Speech under-determined mixtures
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