Let There Be Sound: Reconstructing High Quality Speech from Silent Videos
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Abstract (arXiv)
The goal of this work is to reconstruct high quality speech from lip motions alone, a task also known as lip-to-speech. A key challenge of lip-to-speech systems is the one-to-many mapping caused by (1) the existence of homophenes and (2) multiple speech variations, resulting in a mispronounced and over-smoothed speech. In this paper, we propose a novel lip-to-speech system that significantly improves the generation quality by alleviating the one-to-many mapping problem from multiple perspectives. Specifically, we incorporate (1) self-supervised speech representations to disambiguate homophenes, and (2) acoustic variance information to model diverse speech styles. Additionally, to better solve the aforementioned problem, we employ a flow based post-net which captures and refines the details of the generated speech. We perform extensive experiments on two datasets, and demonstrate that our method achieves the generation quality close to that of real human utterance, outperforming existing methods in terms of speech naturalness and intelligibility by a large margin. Synthesised samples are available at our demo page: https://mm.kaist.ac.kr/projects/LTBS.
Key facts. Cited by 12 papers in the map (data through 14 Oct 2026). Builds on 45 of its 63 references that are in the map. First posted on arXiv 29 Aug 2023.
Builds on
45 of 63 references.
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33 more
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Built on by
Citing papers per year: 2024: 2; 2025: 6; 2026: 4.
12 papers.
- 2025AudioGen-Omni: A Unified Multimodal Diffusion Transformer for Video-Synchronized Audio, Speech, and Song Generationcited by 12
- 2025From Faces to Voices: Learning Hierarchical Representations for High-quality Video-to-Speechcited by 9
- 2025AlignDiT: Multimodal Aligned Diffusion Transformer for Synchronized Speech Generationcited by 7
- 2024V2SFlow: Video-to-Speech Generation with Speech Decomposition and Rectified Flowcited by 5
- 2025Shushing! Let's Imagine an Authentic Speech from the Silent Videocited by 1
- 2025RESOUND: Speech Reconstruction from Silent Videos via Acoustic-Semantic Decomposed Modelingcited by 1
- 2025LTA-L2S: Lexical Tone-Aware Lip-to-Speech Synthesis for Mandarin with Cross-Lingual Transfer Learningcited by 1
- 2026CoSyncDiT: Cognitive Synchronous Diffusion Transformer for Movie Dubbingcited by 1
- 2024CrossSpeech++: Cross-lingual Speech Synthesis with Decoupled Language and Speaker Generationcited by 0
- 2026SLD-L2S: Hierarchical Subspace Latent Diffusion for High-Fidelity Lip to Speech Synthesiscited by 0
- 2026Hierarchical Codec Diffusion for Video-to-Speech Generationcited by 0
- 2026Watch Your Speech: Text-aware Video-to-Speech Synthesis with Textual Conditioningcited by 0
- 2026Watch Your Speech: Text-aware Video-to-Speech Synthesis with Textual Conditioning1 Oct 2026
- 2026Hierarchical Codec Diffusion for Video-to-Speech Generation17 Apr 2026
- 2026CoSyncDiT: Cognitive Synchronous Diffusion Transformer for Movie Dubbing14 Apr 2026
- 2026SLD-L2S: Hierarchical Subspace Latent Diffusion for High-Fidelity Lip to Speech Synthesis12 Feb 2026
- 2025LTA-L2S: Lexical Tone-Aware Lip-to-Speech Synthesis for Mandarin with Cross-Lingual Transfer Learning30 Sep 2025
- 2025AudioGen-Omni: A Unified Multimodal Diffusion Transformer for Video-Synchronized Audio, Speech, and Song Generation1 Aug 2025
- 2025RESOUND: Speech Reconstruction from Silent Videos via Acoustic-Semantic Decomposed Modeling28 May 2025
- 2025AlignDiT: Multimodal Aligned Diffusion Transformer for Synchronized Speech Generation29 Apr 2025
- 2025From Faces to Voices: Learning Hierarchical Representations for High-quality Video-to-Speech21 Mar 2025
- 2025Shushing! Let's Imagine an Authentic Speech from the Silent Video19 Mar 2025
- 2024CrossSpeech++: Cross-lingual Speech Synthesis with Decoupled Language and Speaker Generation28 Dec 2024
- 2024V2SFlow: Video-to-Speech Generation with Speech Decomposition and Rectified Flow29 Nov 2024