Fine-tuning Whisper-large-v2 on 10,000 hours of synthesized Mandarin plus small real English/code-switching sets yields Twister, cutting mixed error rate by up to 56% on code-switching and 19% on Taiwanese Mandarin.
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A Self-Refining Framework for Enhancing ASR Using TTS-Synthesized Data
Fine-tuning Whisper-large-v2 on 10,000 hours of synthesized Mandarin plus small real English/code-switching sets yields Twister, cutting mixed error rate by up to 56% on code-switching and 19% on Taiwanese Mandarin.