Ljubomir Milanovic

Spatial Processing Front-End for Distant ASR Exploiting Self-Attention Channel Combinator

We present a novel multi-channel front-end based on channel shortening with the Weighted Prediction Error (WPE) method followed by a fixed MVDR beamformer used in combination with a recently proposed self-attention-based channel combination (SACC) scheme, for tackling the distant ASR problem. We sho…