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Audio & SpeecharXiv cs.CLPublished: Apr 10, 2026, 13:00 JST

Discrete speech units struggle to preserve lexical tone information in Mandarin and Yorùbá despite SSL models encoding it naturally

Discrete speech units struggle to preserve lexical tone information in Mandarin and Yorùbá despite SSL models encoding it naturally

Self-supervised learning (SSL) models successfully capture tone information in their latent representations, but quantization into discrete speech units (DSUs) loses this suprasegmental detail

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