Diff-TTSG: Denoising probabilistic integrated speech and gesture synthesis
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Abstract (arXiv)
With read-aloud speech synthesis achieving high naturalness scores, there is a growing research interest in synthesising spontaneous speech. However, human spontaneous face-to-face conversation has both spoken and non-verbal aspects (here, co-speech gestures). Only recently has research begun to explore the benefits of jointly synthesising these two modalities in a single system. The previous state of the art used non-probabilistic methods, which fail to capture the variability of human speech and motion, and risk producing oversmoothing artefacts and sub-optimal synthesis quality. We present the first diffusion-based probabilistic model, called Diff-TTSG, that jointly learns to synthesise speech and gestures together. Our method can be trained on small datasets from scratch. Furthermore, we describe a set of careful uni- and multi-modal subjective tests for evaluating integrated speech and gesture synthesis systems, and use them to validate our proposed approach. Please see https://shivammehta25.github.io/Diff-TTSG/ for video examples, data, and code.
Key facts. Cited by 13 papers in the map (data through 14 Oct 2026). Builds on 40 of its 55 references that are in the map. First posted on arXiv 15 Jun 2023.
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40 of 55 references.
References · 40
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28 more
- 2021Grad-TTS: A Diffusion Probabilistic Model for Text-to-Speechcited by 447
- 2020Glow-TTS: A Generative Flow for Text-to-Speech via Monotonic Alignment Searchcited by 273
- 2020Speech Gesture Generation from the Trimodal Context of Text, Audio, and Speaker Identitycited by 202
- 2022Listen, Denoise, Action! Audio-Driven Motion Synthesis with Diffusion Modelscited by 190
- 2021A Survey on Neural Speech Synthesiscited by 184
- 2023GestureDiffuCLIP: Gesture Diffusion Model with CLIP Latentscited by 158
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Citing papers per year: 2023: 5; 2024: 3; 2025: 2; 2026: 3.
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- 2023Matcha-TTS: A fast TTS architecture with conditional flow matchingcited by 145
- 2023Emotional Speech-driven 3D Body Animation via Disentangled Latent Diffusioncited by 39
- 2023The GENEA Challenge 2023: A large scale evaluation of gesture generation models in monadic and dyadic settingscited by 28
- 2023Diffusion-Based Co-Speech Gesture Generation Using Joint Text and Audio Representationcited by 28
- 2023Unified speech and gesture synthesis using flow matchingcited by 6
- 2024Fake it to make it: Using synthetic data to remedy the data shortage in joint multimodal speech-and-gesture synthesiscited by 5
- 2025Gelina: Unified Speech and Gesture Synthesis via Interleaved Token Predictioncited by 2
- 2024Investigating the impact of 2D gesture representation on co-speech gesture generationcited by 0
- 20242D or not 2D: How Does the Dimensionality of Gesture Representation Affect 3D Co-Speech Gesture Generation?cited by 0
- 2025ImaGGen: Zero-Shot Generation of Co-Speech Semantic Gestures Grounded in Language and Image Inputcited by 0
- 2026Gesture2Speech: How Far Can Hand Movements Shape Expressive Speech?cited by 0
- 2026Motion-Omni: End-to-End Joint Speech and Full-Body Motion for Spoken Dialoguecited by 0
- 2026DualTrack: Synchronized speech-gesture generation via symmetric coupling of pretrained priors29 Sep 2026
- 2026Motion-Omni: End-to-End Joint Speech and Full-Body Motion for Spoken Dialogue28 Aug 2026
- 2026Gesture2Speech: How Far Can Hand Movements Shape Expressive Speech?20 Mar 2026
- 2025ImaGGen: Zero-Shot Generation of Co-Speech Semantic Gestures Grounded in Language and Image Input20 Oct 2025
- 2025Gelina: Unified Speech and Gesture Synthesis via Interleaved Token Prediction13 Oct 2025
- 20242D or not 2D: How Does the Dimensionality of Gesture Representation Affect 3D Co-Speech Gesture Generation?16 Sep 2024
- 2024Investigating the impact of 2D gesture representation on co-speech gesture generation21 Jun 2024
- 2024Fake it to make it: Using synthetic data to remedy the data shortage in joint multimodal speech-and-gesture synthesis30 Apr 2024
- 2023Emotional Speech-driven 3D Body Animation via Disentangled Latent Diffusion7 Dec 2023
- 2023Unified speech and gesture synthesis using flow matching8 Oct 2023
- 2023Diffusion-Based Co-Speech Gesture Generation Using Joint Text and Audio Representation11 Sep 2023
- 2023Matcha-TTS: A fast TTS architecture with conditional flow matching6 Sep 2023
- 2023The GENEA Challenge 2023: A large scale evaluation of gesture generation models in monadic and dyadic settingscited by 28
- 2023Diffusion-Based Co-Speech Gesture Generation Using Joint Text and Audio Representationcited by 28
- 2024Fake it to make it: Using synthetic data to remedy the data shortage in joint multimodal speech-and-gesture synthesiscited by 5
- 2025Gelina: Unified Speech and Gesture Synthesis via Interleaved Token Predictioncited by 2
- 2024Investigating the impact of 2D gesture representation on co-speech gesture generationcited by 0
- 20242D or not 2D: How Does the Dimensionality of Gesture Representation Affect 3D Co-Speech Gesture Generation?cited by 0
- 2025ImaGGen: Zero-Shot Generation of Co-Speech Semantic Gestures Grounded in Language and Image Inputcited by 0
- 2026Gesture2Speech: How Far Can Hand Movements Shape Expressive Speech?cited by 0
- 2026Motion-Omni: End-to-End Joint Speech and Full-Body Motion for Spoken Dialoguecited by 0
- 2026DualTrack: Synchronized speech-gesture generation via symmetric coupling of pretrained priorscited by 0
- 2026DualTrack: Synchronized speech-gesture generation via symmetric coupling of pretrained priors29 Sep 2026
- 2026Motion-Omni: End-to-End Joint Speech and Full-Body Motion for Spoken Dialogue28 Aug 2026
- 2026Gesture2Speech: How Far Can Hand Movements Shape Expressive Speech?20 Mar 2026
- 2025ImaGGen: Zero-Shot Generation of Co-Speech Semantic Gestures Grounded in Language and Image Input20 Oct 2025
- 2025Gelina: Unified Speech and Gesture Synthesis via Interleaved Token Prediction13 Oct 2025
- 20242D or not 2D: How Does the Dimensionality of Gesture Representation Affect 3D Co-Speech Gesture Generation?16 Sep 2024
- 2024Investigating the impact of 2D gesture representation on co-speech gesture generation21 Jun 2024
- 2024Fake it to make it: Using synthetic data to remedy the data shortage in joint multimodal speech-and-gesture synthesis30 Apr 2024
- 2023Diffusion-Based Co-Speech Gesture Generation Using Joint Text and Audio Representation11 Sep 2023
- 2023The GENEA Challenge 2023: A large scale evaluation of gesture generation models in monadic and dyadic settings24 Aug 2023