#SpeechLLM

1 related articles

Sep 25, 2026·2 min

PTC-Bias: Improving Rare Word Recognition in Speech LLMs via Phoneme-Level Temporal Competition

PTC-Bias uses phoneme-level temporal competition for two-stage contextual biasing in SpeechLLMs. On LibriSpeech with 2000-word bias lists, B-WER drops 23%+ vs CTC-Filter with zero extra model forward passes.