Audio Question Answering with GRPO-Based Fine-Tuning and Calibrated Segment-Level Predictions

Marcel Gibier, Nolwenn Celton, Raphaël Duroselle +3

In this report, we describe our submission to Track 5 of the DCASE 2025 Challenge for the task of Audio Question Answering(AQA). Our system leverages the SSL backbone BEATs to extr…