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AV-JEPA: Extending LeJEPA to Audio-Visual Self-Supervised Learning

2026-07-01 13:50:59
Benjamin Robson, Santeri Mentu, Wenshuai Zhao, Arno Solin
arXiv_AI
                 
Abstract

We present AV-JEPA, an elegant multimodal extension of LeJEPA to audio-visual self-supervised learning. Using an early-fusion Vision Transformer and modality dropout as masking, the model is trained to align the embeddings of global and per-modality local views, while the SIGReg objective encourages a theoretically optimal distribution. This achieves cross-modal alignment in the latent space, resulting in a remarkably clean architecture with no decoder, EMA teacher, complex multi-term losses, or contrastive negatives. The proposed AV-JEPA backbone delivers competitive classification performance on VGGSound (57.1% top-1) and AudioSet (32.7 mAP) and supports zero-shot audio-video retrieval out of the box.

Abstract (translated)

URL

https://arxiv.org/abs/2607.15295

PDF

https://arxiv.org/pdf/2607.15295.pdf

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