EgoSound: Benchmarking Sound Understanding in Egocentric Videos

Fuente: arXiv
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Hauptverfasser: Zhu, Bingwen, Fu, Yuqian, Dong, Qiaole, Sun, Guolei, Qian, Tianwen, Wu, Yuzheng, Paudel, Danda Pani, Xue, Xiangyang, Fu, Yanwei
Format: Preprint
Veröffentlicht: 2026
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author Zhu, Bingwen
Fu, Yuqian
Dong, Qiaole
Sun, Guolei
Qian, Tianwen
Wu, Yuzheng
Paudel, Danda Pani
Xue, Xiangyang
Fu, Yanwei
author_facet Zhu, Bingwen
Fu, Yuqian
Dong, Qiaole
Sun, Guolei
Qian, Tianwen
Wu, Yuzheng
Paudel, Danda Pani
Xue, Xiangyang
Fu, Yanwei
contents Multimodal Large Language Models (MLLMs) have recently achieved remarkable progress in vision-language understanding. Yet, human perception is inherently multisensory, integrating sight, sound, and motion to reason about the world. Among these modalities, sound provides indispensable cues about spatial layout, off-screen events, and causal interactions, particularly in egocentric settings where auditory and visual signals are tightly coupled. To this end, we introduce EgoSound, the first benchmark designed to systematically evaluate egocentric sound understanding in MLLMs. EgoSound unifies data from Ego4D and EgoBlind, encompassing both sighted and sound-dependent experiences. It defines a seven-task taxonomy spanning intrinsic sound perception, spatial localization, causal inference, and cross-modal reasoning. Constructed through a multi-stage auto-generative pipeline, EgoSound contains 7315 validated QA pairs across 900 videos. Comprehensive experiments on nine state-of-the-art MLLMs reveal that current models exhibit emerging auditory reasoning abilities but remain limited in fine-grained spatial and causal understanding. EgoSound establishes a challenging foundation for advancing multisensory egocentric intelligence, bridging the gap between seeing and truly hearing the world. Project page: https://groolegend.github.io/EgoSound/ .
format Preprint
id arxiv_https___arxiv_org_abs_2602_14122
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle EgoSound: Benchmarking Sound Understanding in Egocentric Videos
Zhu, Bingwen
Fu, Yuqian
Dong, Qiaole
Sun, Guolei
Qian, Tianwen
Wu, Yuzheng
Paudel, Danda Pani
Xue, Xiangyang
Fu, Yanwei
Computer Vision and Pattern Recognition
Multimodal Large Language Models (MLLMs) have recently achieved remarkable progress in vision-language understanding. Yet, human perception is inherently multisensory, integrating sight, sound, and motion to reason about the world. Among these modalities, sound provides indispensable cues about spatial layout, off-screen events, and causal interactions, particularly in egocentric settings where auditory and visual signals are tightly coupled. To this end, we introduce EgoSound, the first benchmark designed to systematically evaluate egocentric sound understanding in MLLMs. EgoSound unifies data from Ego4D and EgoBlind, encompassing both sighted and sound-dependent experiences. It defines a seven-task taxonomy spanning intrinsic sound perception, spatial localization, causal inference, and cross-modal reasoning. Constructed through a multi-stage auto-generative pipeline, EgoSound contains 7315 validated QA pairs across 900 videos. Comprehensive experiments on nine state-of-the-art MLLMs reveal that current models exhibit emerging auditory reasoning abilities but remain limited in fine-grained spatial and causal understanding. EgoSound establishes a challenging foundation for advancing multisensory egocentric intelligence, bridging the gap between seeing and truly hearing the world. Project page: https://groolegend.github.io/EgoSound/ .
title EgoSound: Benchmarking Sound Understanding in Egocentric Videos
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2602.14122