Context Projector: Complementary Keyword and Dialogue Context Embeddings for LLM-based ASR
Esaú Villatoro-Tello, Sergio Burdisso, Shashi Kumar et al.
· 3 citations
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Reading Emotions in the Token Space: Discriminative Adaptation of SpeechLLMs for Emotion Recognition
SpeechLLMs have shown strong potential for emotion recognition, yet they read the predicted emotion off a generative decoder not suited for classification: it can emit labels outside the target set and favors frequent classes. We propose a discriminative adaptation that reads the final prompt token's hidden state throu...
Hasindri Watawana, Sergio Gastón Burdisso, Esaú Villatoro-Tello et al.
· 0 citations
Preprint
Jul 2026
When Synthetic Speech Is All You Have: Better Call GRPO
This work shows that Group Relative Policy Optimization (GRPO) extracts far more from the same synthetic speech than SFT, and traces the gain to behavior rather than representation: GRPO reduces insertion errors by improving stopping calibration and speech-to-text alignment by better anchoring attention to audio, leavi...
Shashi Kumar, Yanis Labrak, Hasindri Watawana et al.
· 0 citations