Audio-Visual Synchronization

Overview

The field studies temporal and semantic correspondence between audio and video, from matching speech to lip movements to aligning music with dance or sounds with visible events. Methods include contrastive alignment and offset estimation, phoneme- and event-level timing, and cross-attention or diffusion models for generating synchronized media. Benchmarks and learned evaluators measure timing, semantic consistency, and human-perceived quality, though these measures can disagree. A central challenge is achieving fine-grained, human-aligned synchronization in real-time and long-form settings without sacrificing fidelity, identity, or controllability.

Latest papers

CardsList

66 papers13 papers in the last four weeks, up 160% on the four weeks before. 0.1% of all new papers.

  1. X-Dubbing: Speech-to-Speech Translation under Temporal and Visual Constraints

    Oct 23, 2026Jeongsoo Choi, Ji-Hoon Kim, Junseok Ahn +1Speech TranslationAudio-Visual Synchronization

  2. Edit in Sync: Unified End-to-End Audio-Visual Editing for Human-Centric Videos

    Oct 20, 2026Ziye Yuan, Minghong Cai, Xu He +8Video EditingAudio-Visual Synchronization

  3. AVC-Reward: Event-Centric Audio-Video Consistency Evaluation

    Oct 15, 2026Yuruo Wu, Kaihang Pan, Kai Shen +6Video Generation EvaluationAudio-Video Generation

  4. SyncReward: Human-Aligned Synchronization Reward for Audio-Visual Generation

    Oct 12, 2026Kaisi Guan, Ying Ba, Wenjing Wang +4Audio-Visual SynchronizationAudio-Video Generation

  5. PVSync: A Unified Lip-Sync Expert for Timing and Articulation

    Oct 6, 2026Kevin Stephen, Varun Menon, Timo Mertens +1Lip SynchronizationAudio-Visual Synchronization

  6. Align Then Reason: A Multimodal Lip-Sync Judge for Dubbing

    Sep 30, 2026Rui Liu, Bhavin Jawade, Haoqi Li +4Audio-Visual SynchronizationAudio-Visual Alignment

  7. Soundwich: Video Generation with Layered and Controllable Audio

    Sep 30, 2026Zhuo Ning, AmirHossein Naghi Razlighi, Sagi Polaczek +2Audio-Video GenerationAudio-Visual Synchronization

  8. HelixWorld: A Real-time Interactive Audio-Visual World Model

    Sep 29, 2026Lei Ke, Jiahao Pan, Zeyue Tian +13World Model LearningReal-Time Interactive Video Generation

  9. BeatDance: Generating Beat-Consistent 3D Dance with Hierarchical Spatial-Temporal Modeling

    Sep 29, 2026Xiaojian Shen, Dahu Shi, Jianrong Zhang +7Human Motion GenerationAudio-Visual Synchronization

  10. SyncRA: Learning Temporal Correspondence in Omni-Modal Models

    Sep 28, 2026Zelong Xu, Yan Li, Wenhe Hu +1Audio-Visual Representation LearningAudio-Visual Synchronization

  11. ComplexSync: High-Fidelity and Real-Time Lip Sync in Complex Scenarios

    Sep 24, 2026Jiaran Cai, Xingpei Ma, Shenneng HuangVideo Diffusion ModelsLip Synchronization

  12. Not Quite My Tempo: Voice Activity-aware Speech Synthesis for Lip-Synchronous Dubbing

    Sep 22, 2026Alejandro Pérez-González-de-Martos, Florian Lux, Angelina Elizarova +3TTS SynthesisAudio-Visual Synchronization

  13. AVTrace: Diagnosing Audio-Visual Temporal Reasoning in Omni Models

    Sep 17, 2026Longyin Zhang, Parth Sakhare Mahendra, Chengwei Wei +4Temporal Video GroundingAudio-Visual Understanding

  14. Encore: Infinite Audio-Video Generation with Adaptive Signal Routing

    Aug 28, 2026Shaohua Pan, Junbao Chen, Shengyi He +8Audio-Video GenerationAudio-Visual Synchronization

  15. What Do Audio-Visual Synchronization Metrics Actually Measure?

    Aug 25, 2026Jai Kumar Sharma, Peeyush TapadiyaAudio-Visual SynchronizationBenchmark Validity

  16. EfficientSync: Real-Time Lip Synchronization via Deformation-Based Reference Texture Mixing

    Aug 19, 2026Fa-Ting Hong, Runzhen Liu, Luchuan Song +2Lip SynchronizationAudio-Visual Synchronization

  17. Efficient Audio-Visual Generation via Synchrony-Aware Cross-Modal Sparse Attention

    Aug 16, 2026Shengchuan Gao, Teng Hu, Bohao Feng +4Audio-Video GenerationDiffusion Model Inference Acceleration

  18. HarmoniDPO: Video-guided Audio Generation via Preference-Optimized Diffusion

    Aug 12, 2026Wenshuo Peng, Kaipeng ZhangAudio-Video GenerationAudio Diffusion Models

  19. UniSwap: Streaming Audio-Visual Identity Swapping for Talking Videos

    Aug 12, 2026Yuxuan Zhang, Haozhong Xiong, Jiayi Song +5Audio-Video GenerationVideo Diffusion Models

  20. Vorch-Streamer: Extending Human Audio-Visual Generation to Real-Time Long-Form Streaming

    Aug 6, 2026Menglin Han, Yang Ding, Yulei Lu +6T2V GenerationLong-Horizon Video Generation

  21. PD-GS: Phoneme-Driven 3DGS for Audio-Driven Talking Heads

    Aug 5, 2026Ao Fu, Yi Zhou3D Gaussian SplattingLip Synchronization

  22. OmniVR: Audio-Video Conditional Generation for Archival Footage Restoration

    Aug 4, 2026Xin Lu, Zihao Fan, Jie Huang +4Audio-Visual SynchronizationVideo Restoration

  23. OmniVAE: An Audio-Video VAE with Cross-Modal Alignment for Joint Generation

    Jul 26, 2026Jun Zhan, Chen Yang, Yitian Gong +23Variational AutoencodersAudio-Video Generation

  24. Beyond Time Shifts: Adapting Omni-LLM as a Reference-Free Evaluator for Generative Audio-Visual Models

    Jul 10, 2026Yijie Qian, Juncheng Wang, Chao Xu +6Audio-Video GenerationGroup Relative Policy Optimization