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Experiments conducted on the UASpeech and TORGO corpora suggest that Conformer models trained using the DSI tokens outperform the comparable baseline HuBERT discrete/continuous features by statistically significant WER reductions.
Semantic speech tokens can be refined to enhance intelligibility and consistency across speakers, with significant implications for voice conversion and TTS applications.
Zero-shot adaptation can reduce word error rates by over 0.6% while achieving nearly 10 times faster real-time processing for elderly speech recognition.
Speaker adaptive training combined with confidence-guided pseudo-labeling leads to substantial gains in elderly speech recognition accuracy, outperforming conventional methods.
Achieving up to 27.73% absolute WER reduction without any training or additional data challenges the conventional reliance on fine-tuning for model compression.
