Paper Info
Title
A Stereo Wind-Noise Suppressor With Null Beamforming And Frequency-Domain Noise Averaging
Abstract
This paper proposes a stereo wind-noise suppressor with frequency-domain noise averaging. A directional gain for diffuse wind noise is estimated frame by frame using a null beamformer based on interchannel phase difference which blocks the target signal. The wind-noise gain estimate is commonly multiplied by the input noisy signal to generate channel dependent wind noise estimates in order to cope with interchannel wind-noise imbalance. Interchannel phase agreement by target signal dominance or incidentally equal wind-noise phase, which leads to underestimation, is offset by averaging channel dependent wind-noise estimates along frequency. Evaluation results show that the mean PESQ score by the proposed wind-noise suppressor reaches 2.1 which is 0.2 higher than that by the wind-noise suppressor without averaging and 0.3 higher than that by a conventional monaural-noise suppressor with a statistically significant difference.
Year
DOI
Venue
2018
10.1587/transfun.E101.A.1631
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES
Keywords
Field
DocType
wind noise, noise suppressor, stereo, null beamforming, frequency-domain averaging
Frequency domain,Beamforming,Algorithm,Suppressor,Theoretical computer science,Mathematics
Journal
Volume
Issue
ISSN
E101A
10
1745-1337
Citations 
PageRank 
References 
0
0.34
0
Authors
3
Name
Order
Citations
PageRank
Masanori Kato174.09
Akihiko Sugiyama220634.37
Tatsuya Komatsu302.70