Author

Sergei Polezhaev

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Preprint Oct 2026

SpectralBridge: Adding High-Frequency Capability to Large Audio-Language Models

SpectralBridge is presented, a lightweight extension that gives a large audio-language model access to the 8-16 kHz band by joining low- and upper-band representations with time-aligned paired cross-frequency attention and improves both zero-shot transfer and downstream fine-tuning.

Sergei Polezhaev, Saba Anjum, Michael Gormish · 0 citations

#artificial intelligence Preprint Oct 2026

Training Advisors for LLM Agents from Task Outcomes

Large language model agents tackle multi-step tasks by interleaving reasoning and tool calls with observations from the environment. Prior work has shown that natural-language feedback can help these agents revise their decisions during task execution. We introduce Caddie, a method for training critics to provide natur...

Sergei Polezhaev, Barys Liskavets, O. Press et al. · 0 citations