Robust MVDR beamforming using time-frequency masks for online/offline ASR in noise

T Higuchi, N Ito, T Yoshioka… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
This paper considers acoustic beamforming for noise robust automatic speech recognition
(ASR). A beamformer attenuates background noise by enhancing sound components …

Far-field automatic speech recognition

R Haeb-Umbach, J Heymann, L Drude… - Proceedings of the …, 2020 - ieeexplore.ieee.org
The machine recognition of speech spoken at a distance from the microphones, known as
far-field automatic speech recognition (ASR), has received a significant increase in attention …

A unified convolutional beamformer for simultaneous denoising and dereverberation

T Nakatani, K Kinoshita - IEEE Signal Processing Letters, 2019 - ieeexplore.ieee.org
This letter proposes a method for estimating a convolutional beamformer that can perform
denoising and dereverberation simultaneously in an optimal way. The application of …