Multi-Speaker ASR Combining Non-Autoregressive Conformer CTC and Conditional Speaker Chain

  title={Multi-Speaker ASR Combining Non-Autoregressive Conformer CTC and Conditional Speaker Chain},
  author={Pengcheng Guo and Xuankai Chang and Shinji Watanabe and Lei Xie},
Non-autoregressive (NAR) models have achieved a large inference computation reduction and comparable results with autoregressive (AR) models on various sequence to sequence tasks. However, there has been limited research aiming to explore the NAR approaches on sequence to multi-sequence problems, like multi-speaker automatic speech recognition (ASR). In this study, we extend our proposed conditional chain model to NAR multi-speaker ASR. Specifically, the output of each speaker is inferred one-by… 

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