Binaural Speech Enhancement with Spatial Cue Preservation Utilising Simultaneous Masking

Conference paper (2017)

Authors

A. Koutrouvelis Signal Processing Systems -

J Jensen Aalborg University, Oticon A/S

Meng Guo Oticon A/S

R.C. Hendriks Signal Processing Systems -

R. Heusdens Signal Processing Systems -

Research Group

Signal Processing Systems () (TU Delft)

Noise reduction Binaural hearing aids Simultaneous masking

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http://resolver.tudelft.nl/uuid:59e37034-6549-45f2-b574-116e3d78026c

Published Date

2017

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Signal Processing Systems

Abstract

Binaural multi-microphone noise reduction methods aim at noise suppression while preserving the spatial impression of the acoustic scene. Recently, a new binaural speech enhancement method was proposed which chooses per timefrequency (TF) tile either the enhanced target or a suppressed noisy version. The selection between the two is based on the input SNR per TF tile. In this paper we modify this method such that the selection mechanism is based on the output SNR. The proposed modification of deciding which TF tile is target-or
noise-dominated leads to choices, which are better aligned with simultaneous masking properties of the auditory system, and, hence, improves the performance over the initial version of the algorithm.

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