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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Preprint
Aug 2026
Generative vs. Encoder Large Language Models for ASR Evaluation: A Comparative Study
The results show that encoder-based metrics remain highly competitive, while generative LLMs perform strongly in hypothesis comparison and improve the interpretability of ASR evaluation.
Thibault Bañeras-Roux, Shashi Kumar, Driss Khalil 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