Speech Dereverberation Using Nonnegative Convolutive Transfer Function and Spectro temporal Modeling

16 Sep 2017Nasser MohammadihaSimon Doclo

This paper presents two single channel speech dereverberation methods to enhance the quality of speech signals that have been recorded in an enclosed space. For both methods, the room acoustics are modeled using a nonnegative approximation of the convolutive transfer function (NCTF), and to additionally exploit the spectral properties of the speech signal, such as the low rank nature of the speech spectrogram, the speech spectrogram is modeled using nonnegative matrix factorization (NMF)... (read more)

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