2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information

2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information
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Paper Detail

Paper IDSPE-39.4
Paper Title EAT: ENHANCED ASR-TTS FOR SELF-SUPERVISED SPEECH RECOGNITION
Authors Murali Karthick Baskar, Lukáš Burget, Brno University of Technology, Czechia; Shinji Watanabe, Johns Hopkins University, United States; Ramon Astudillo, IBM T. J. Watson Research Center, United States; Jan "Honza" Cernocky, Brno University of Technology, Czechia
SessionSPE-39: Speech Recognition 13: Acoustic Modeling 1
LocationGather.Town
Session Time:Thursday, 10 June, 15:30 - 16:15
Presentation Time:Thursday, 10 June, 15:30 - 16:15
Presentation Poster
Topic Speech Processing: [SPE-RECO] Acoustic Modeling for Automatic Speech Recognition
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract Self-supervised ASR-TTS models suffer in out-of-domain data conditions. Here we propose an enhanced ASR-TTS (EAT) model that incorporates two main features: 1) The ASR$\rightarrow$TTS direction is equipped with a language model reward to penalize the ASR hypotheses before forwarding it to TTS. 2) In the TTS$\rightarrow$ASR direction, a hyper-parameter is introduced to scale the attention context from synthesized speech before sending it to ASR to handle out-of-domain data. Training strategies and the effectiveness of the EAT model are explored under out-of-domain data conditions. The results show that EAT reduces the performance gap between supervised and self-supervised training significantly by absolute 2.6\% and 2.7\% on Librispeech and BABEL respectively.