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Papers

Not Quite My Tempo: Voice Activity-aware Speech Synthesis for Lip-Synchronous Dubbing
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Record Grouping Controls Evidence Weight in Language Models
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Single-Rollout Asynchronous Optimization for Agentic Reinforcement Learning
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From Passive Generation to Investigation: A Proactive Scientific Peer Review Agent
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SoK: Robustness in Large Language Models against Jailbreak Attacks
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Geographic Bias and Diversity in AI Evaluation
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From Coordinates to Candidate Regions: Temporal Change Localization via Region Selection in Remote Sensing Multimodal LLMs
Sep 8, 2026Juwan Chung, Sungjune Park, Yeongyun Kim +1Remote Sensing Video Multimodal Large Language Models
When Does On-Policy Interaction Help? Representational Tradeoffs in Value-Based Imitation Learning
Jul 31, 2026Luca Viano, Antoine Moulin, Audrey Huang +3Imitation Learning On-Policy
Evaluating Communicative Belief Updates in Large Language Models via Implicature Recognition and Cancellation
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Estimating Tail Risks in Language Model Output Distributions
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Prompting with Sign Parameters for Low-resource Sign Language Instruction Generation
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Jul 14, 2026Winston Zeng, Ali Emami, Jinho ChoiPersonality Behavioral Alignment
Benchmarking the Robustness of Autonomous Driving to Environmental Illusions: A Lane Perception Perspective
Jul 7, 2026Tianyuan Zhang, Xianglong Liu, Aishan Liu +6Autonomous Driving Perception Driving Scene
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Jun 4, 2026Yifan Chang, Jiaxin Ai, Jianwen Sun +9Text-To-Image Enrichment
Sampling from Flow Language Models via Marginal-Conditioned Bridges
May 13, 2026Iskander Azangulov, Leo ZhangGenerative Flow Networks Diffusion Language Models
Anisotropic Modality Align
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How Tokenization Limits Phonological Knowledge Representation in Language Models and How to Improve Them
Apr 18, 2026Disen Liao, Freda ShiTokenization Phonological Understanding
A Comprehensive Review of Generative Physical Artificial Intelligence
Sep 16, 2026Satyam Gaba, Krutiksinh Rana, Siva Sai +2Intelligence Large Behavior Model
When Vision Meets Graphs: A Survey on Graph Reasoning and Learning
Sep 3, 2026Xinjian Zhao, Wei Pang, Zhixuan Yu +8Graph Representation Learning
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Aug 8, 2026Amanda Rasille Røn Volf, Morten Roed FrederiksenHuman-Ai Interaction Large Behavior Model
Reconciling Causality and Non-Equilibrium Thermodynamics with Hamiltonian Causal Models
Jun 3, 2026Dario Rancati, Max Welling, Francesco LocatelloStructural Causal Model Statistical Mechanics
MM-BizRAG: Rethinking Multimodal Retrieval-Augmented Generation for General Purpose Enterprise Q&A
Jun 2, 2026Hanoz Bhathena, Parin Rajesh Jhaveri, Rohan Mittal +7Multimodal Learning

Sep 22, 2026 · eess.ASJ/K move · Enter open · S save

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

Alejandro Pérez-González-de-Martos, Florian Lux, Angelina Elizarova, Milana Shkhanukova+2

AppTek GmbH, Germany

Automatic lip-synchronous dubbing requires a speech synthesis model to generate alternating voice and silence patterns in the target language that match the timing of the source clip precisely to ensure an optimal viewing experience. Prior works address this problem by conditioning the speech synthesis process on lip movements extracted from the video signal. In this work, we condition the speech generation on a binary voice-activity signal, which has a lightweight representation and can be produced in multiple ways. We show that the model follows the voice-activity signal with high accuracy while maintaining natural prosody and semantically appropriate pause placement within sentences, as demonstrated through extensive objective and subjective evaluations. By randomly masking this condition during training, we make the feature entirely optional during inference, allowing editors to enforce or relax lip-sync constraints when desired.

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