Author

Natarajan Balaji Shankar

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#natural language process... Preprint Sep 2026

AURA: Uncertainty-Routed Activation Editing for Acoustic Grounding in Speech Foundation Models

AURA is proposed, an ultra-efficient representation-editing method that freezes the pretrained model and applies sparse scale-and-shift edits to decoder cross-attention heads, supporting dynamic activation editing as a practical path for grounding AED speech models.

Natarajan Balaji Shankar, Zilai Wang, Zi-Han Wang et al. · 0 citations

#natural language process... Preprint Sep 2026

Encoder Awakening via Adapters: Effective Domain-Adaptive Fine-tuning of Speech-LLMs

Encoder Awakening via Adapters (EAVA), a simple yet effective domain-adaptive fine-tuning method for Speech-LLM-based ASR, consistently outperforms vanilla fine-tuning and other baselines, achieving new state-of-the-art performance.

Mohan Shi, Zilai Wang, Natarajan Balaji Shankar et al. · 0 citations