ATPC automatically builds a pronunciation-distance matrix for Chinese characters from speech embeddings and uses it to improve contextual biasing in Mandarin end-to-end ASR, without a lexicon.
Keyword search using attention-based end-to-end asr and frame-synchronous phoneme alignments,
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Automatic Text Pronunciation Correlation Generation and Application for Contextual Biasing
ATPC automatically builds a pronunciation-distance matrix for Chinese characters from speech embeddings and uses it to improve contextual biasing in Mandarin end-to-end ASR, without a lexicon.