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Our research introduces an innovative framework for video-to-audio synthesis, which solves the problems of audio-video desynchronization and semantic loss in the audio. By incorporating a semantic alignment adapter and a temporal…

Sound · Computer Science 2024-09-16 Zhiqi Huang , Dan Luo , Jun Wang , Huan Liao , Zhiheng Li , Zhiyong Wu

We live in a world filled with never-ending streams of multimodal information. As a more natural recording of the real scenario, long form audio-visual videos are expected as an important bridge for better exploring and understanding the…

Multimedia · Computer Science 2023-06-19 Wenxuan Hou , Guangyao Li , Yapeng Tian , Di Hu

Long video question answering requires locating sparse, time-scattered visual evidence within highly redundant content. Although current MLLMs perform well on short videos, long videos introduce long-horizon search and verification, which…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Chenhao Qiu , Yechao Zhang , Xin Luo , Shien Song , Xusheng Liu

Generating coherent long-form video sequences from discrete text prompts remains challenging due to difficulties in maintaining temporal coherence, semantic consistency, and scene-action continuity across segments. We propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Taewon Kang , Divya Kothandaraman , Ming C. Lin

Large diffusion models have been successful in text-to-audio (T2A) synthesis tasks, but they often suffer from common issues such as semantic misalignment and poor temporal consistency due to limited natural language understanding and data…

Existing large video-language models (LVLMs) struggle to comprehend long videos correctly due to limited context. To address this problem, fine-tuning long-context LVLMs and employing GPT-based agents have emerged as promising solutions.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Yongdong Luo , Xiawu Zheng , Guilin Li , Shukang Yin , Haojia Lin , Chaoyou Fu , Jinfa Huang , Jiayi Ji , Fei Chao , Jiebo Luo , Rongrong Ji

In video dubbing, aligning translated audio with the source audio is a significant challenge. Our focus is on achieving this efficiently, tailored for real-time, on-device video dubbing scenarios. We developed a phoneme-based end-to-end…

Computation and Language · Computer Science 2025-06-03 Harveen Singh Chadha , Aswin Shanmugam Subramanian , Vikas Joshi , Shubham Bansal , Jian Xue , Rupeshkumar Mehta , Jinyu Li

Existing works have made strides in video generation, but the lack of sound effects (SFX) and background music (BGM) hinders a complete and immersive viewer experience. We introduce a novel semantically consistent v ideo-to-audio generation…

Multimedia · Computer Science 2024-04-29 Gehui Chen , Guan'an Wang , Xiaowen Huang , Jitao Sang

Recent advances in video generation have been remarkable, enabling models to produce visually compelling videos with synchronized audio. While existing video generation benchmarks provide comprehensive metrics for visual quality, they lack…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Daili Hua , Xizhi Wang , Bohan Zeng , Xinyi Huang , Hao Liang , Junbo Niu , Xinlong Chen , Quanqing Xu , Wentao Zhang

Virtual film production requires intricate decision-making processes, including scriptwriting, virtual cinematography, and precise actor positioning and actions. Motivated by recent advances in automated decision-making with language…

Computation and Language · Computer Science 2025-01-23 Zhenran Xu , Longyue Wang , Jifang Wang , Zhouyi Li , Senbao Shi , Xue Yang , Yiyu Wang , Baotian Hu , Jun Yu , Min Zhang

Recent advances in diffusion models have showcased promising results in the text-to-video (T2V) synthesis task. However, as these T2V models solely employ text as the guidance, they tend to struggle in modeling detailed temporal dynamics.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Seungwoo Lee , Chaerin Kong , Donghyeon Jeon , Nojun Kwak

This brief literature review studies the problem of audiovisual speech synthesis, which is the problem of generating an animated talking head given a text as input. Due to the high complexity of this problem, we approach it as the…

Sound · Computer Science 2021-03-09 Efthymios Georgiou , Athanasios Katsamanis

Recent advances in video generation have produced models capable of synthesizing stunning visual content from simple text prompts. However, these models struggle to generate long-form, coherent narratives from high-level concepts like…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Chenyu Mu , Xin He , Qu Yang , Wanshun Chen , Jiadi Yao , Huang Liu , Zihao Yi , Bo Zhao , Xingyu Chen , Ruotian Ma , Fanghua Ye , Erkun Yang , Cheng Deng , Zhaopeng Tu , Xiaolong Li , Linus

With recent advances of AIGC, video generation have gained a surge of research interest in both academia and industry (e.g., Sora). However, it remains a challenge to produce temporally aligned audio to synchronize the generated video,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-24 Yuchen Hu , Yu Gu , Chenxing Li , Rilin Chen , Dong Yu

Visual and auditory perception are two crucial ways humans experience the world. Text-to-video generation has made remarkable progress over the past year, but the absence of harmonious audio in generated video limits its broader…

Sound · Computer Science 2025-03-25 Yong Ren , Chenxing Li , Manjie Xu , Wei Liang , Yu Gu , Rilin Chen , Dong Yu

The Text to Audible-Video Generation (TAVG) task involves generating videos with accompanying audio based on text descriptions. Achieving this requires skillful alignment of both audio and video elements. To support research in this field,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Yuxin Mao , Xuyang Shen , Jing Zhang , Zhen Qin , Jinxing Zhou , Mochu Xiang , Yiran Zhong , Yuchao Dai

We consider the task of generating diverse and realistic videos guided by natural audio samples from a wide variety of semantic classes. For this task, the videos are required to be aligned both globally and temporally with the input audio:…

Machine Learning · Computer Science 2023-09-29 Guy Yariv , Itai Gat , Sagie Benaim , Lior Wolf , Idan Schwartz , Yossi Adi

Multimodality-to-Multiaudio (MM2MA) generation faces significant challenges in synthesizing diverse and contextually aligned audio types (e.g., sound effects, speech, music, and songs) from multimodal inputs (e.g., video, text, images),…

Sound · Computer Science 2025-08-06 Yan Rong , Jinting Wang , Guangzhi Lei , Shan Yang , Li Liu

This paper proposes the synthetic long-video meta-evaluation (SLVMEval), a benchmark for meta-evaluating text-to-video (T2V) evaluation systems. The proposed SLVMEval benchmark focuses on assessing these systems on videos of up to 10,486 s…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Ryosuke Matsuda , Keito Kudo , Haruto Yoshida , Nobuyuki Shimizu , Jun Suzuki

Despite rapid developments and widespread applications of MLLM agents, they still struggle with long-form video understanding (LVU) tasks, which are characterized by high information density and extended temporal spans. Recent research on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Haiyang Yan , Hongyun Zhou , Peng Xu , Xiaoxue Feng , Mengyi Liu