Publications – Details
Efficient Speech Dereverberation for Binaural Hearing Aids
- Authors:
- Heinrich W. Löllmann and Peter Vary
- Book Title:
- ITG-Fachtagung Sprachkommunikation
- Venue:
- Braunschweig, Germany
- Event Date:
- 26.-28.9.2012
- Publisher:
- VDE Verlag
- Date:
- Sept. 2012
- Pages:
- 279–282
- Language:
- English
Abstract
An efficient two-stage algorithm for binaural cue preserving speech dereverberation by spectral weighting is presented. The first stage reduces late reverberant speech components where the second stage aims at a suppression of non-coherent early and remaining late reverberant speech components. The proposed system is based on the binaural speech dereverberation algorithm of Jeub et al. [3]. In contrast to that contribution, the realization of the needed delayand-sum beamformer and the blind estimation of reverberation time and time-difference-of-arrival with low complexity and low delay is tackled. In addition, the problem of a decreased signal energy for the enhanced signal due to spectral weighting is addressed by an efficient approach.
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