Papers › Improving Spoken Language Modeling with Phoneme Classification: A Simple Fine-tuning Approach

Improving Spoken Language Modeling with Phoneme Classification: A Simple Fine-tuning Approach

16 Sep 2024arXiv:2410.00025archive 2025-07-28

Maxime Poli, Emmanuel Chemla, Emmanuel Dupoux

Recent progress in Spoken Language Modeling has shown that learning language directly from speech is feasible. Generating speech through a pipeline that operates at the text level typically loses nuances, intonations, and non-verbal vocalizations. Modeling directly from speech opens up the path to more natural and expressive systems. On the other hand, speech-only systems require up to three orders of magnitude more data to catch up to their text-based counterparts in terms of their semantic abilities. We show that fine-tuning speech representation models on phoneme classification leads to more context-invariant representations, and language models trained on these units achieve comparable lexical comprehension to ones trained on hundred times more data.

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