EchoVision: A Decoupled Audio-Visual Retrieval Framework for Video Question Answering
Multimodal video question answering (VideoQA) remains largely vision-centric, underutilizing auditory signals that are essential for real-world understanding. We propose EchoVision, a retrieval-based audio-visual framework that abandons explicit cross-modal fusion in favor of a decoupled dual-pipeline design with impli...