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Related papers: DiffDSR: Dysarthric Speech Reconstruction Using La…

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Dysarthric speech reconstruction (DSR) aims to transform dysarthric speech into normal speech by improving the intelligibility and naturalness. This is a challenging task especially for patients with severe dysarthria and speaking in…

Sound · Computer Science 2024-02-01 Xueyuan Chen , Yuejiao Wang , Xixin Wu , Disong Wang , Zhiyong Wu , Xunying Liu , Helen Meng

Dysarthric speech poses significant challenges for automatic speech recognition (ASR) systems due to its high variability and reduced intelligibility. In this work we explore the use of diffusion models for dysarthric speech enhancement,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-26 Dimme de Groot , Tanvina Patel , Devendra Kayande , Odette Scharenborg , Zhengjun Yue

Dysarthric speech reconstruction (DSR) aims to transform dysarthric speech into normal speech. It still suffers from low speaker similarity and poor prosody naturalness. In this paper, we propose a multi-modal DSR model by leveraging neural…

Sound · Computer Science 2024-06-25 Xueyuan Chen , Dongchao Yang , Dingdong Wang , Xixin Wu , Zhiyong Wu , Helen Meng

Dysarthric speech recognition (DSR) presents a formidable challenge due to inherent inter-speaker variability, leading to severe performance degradation when applying DSR models to new dysarthric speakers. Traditional speaker adaptation…

Sound · Computer Science 2024-09-25 Shiyao Wang , Shiwan Zhao , Jiaming Zhou , Aobo Kong , Yong Qin

Dysarthric speech reconstruction (DSR) typically employs a cascaded system that combines automatic speech recognition (ASR) and sentence-level text-to-speech (TTS) to convert dysarthric speech into normally-prosodied speech. However,…

Sound · Computer Science 2026-03-03 Minghui Wu , Haitao Tang , Jiahuan Fan , Ruizhi Liao , Yanyong Zhang

Traditional speech enhancement methods often oversimplify the task of restoration by focusing on a single type of distortion. Generative models that handle multiple distortions frequently struggle with phone reconstruction and…

Sound · Computer Science 2025-02-11 Tushar Dhyani , Florian Lux , Michele Mancusi , Giorgio Fabbro , Fritz Hohl , Ngoc Thang Vu

Dysarthric speech reconstruction (DSR) systems aim to automatically convert dysarthric speech into normal-sounding speech. The technology eases communication with speakers affected by the neuromotor disorder and enhances their social…

Sound · Computer Science 2024-01-29 Yuejiao Wang , Xixin Wu , Disong Wang , Lingwei Meng , Helen Meng

Dysarthric speech recognition (DSR) enhances the accessibility of smart devices for dysarthric speakers with limited mobility. Previously, DSR research was constrained by the fact that existing datasets typically consisted of isolated…

Sound · Computer Science 2025-07-01 Shiyao Wang , Jiaming Zhou , Shiwan Zhao , Yong Qin

Dysarthric speech reconstruction (DSR), which aims to improve the quality of dysarthric speech, remains a challenge, not only because we need to restore the speech to be normal, but also must preserve the speaker's identity. The speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-21 Disong Wang , Songxiang Liu , Xixin Wu , Hui Lu , Lifa Sun , Xunying Liu , Helen Meng

This paper introduces a discrete diffusion model (DDM) framework for text-aligned speech tokenization and reconstruction. By replacing the auto-regressive speech decoder with a discrete diffusion counterpart, our model achieves…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-25 Pin-Jui Ku , He Huang , Jean-Marie Lemercier , Subham Sekhar Sahoo , Zhehuai Chen , Ante Jukić

Dysarthric speech reconstruction is challenging due to its pathological sound patterns. Preserving speaker identity, especially without access to normal speech, is a key challenge. Our proposed approach uses contrastive learning to extract…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-08 Keshvari Fatemeh , Mahdian Toroghi Rahil , Zareian Hassan

Automatic speech recognition (ASR) research has achieved impressive performance in recent years and has significant potential for enabling access for people with dysarthria (PwD) in augmentative and alternative communication (AAC) and home…

Sound · Computer Science 2024-06-14 Wing-Zin Leung , Mattias Cross , Anton Ragni , Stefan Goetze

In this work, we present DiffVoice, a novel text-to-speech model based on latent diffusion. We propose to first encode speech signals into a phoneme-rate latent representation with a variational autoencoder enhanced by adversarial training,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-25 Zhijun Liu , Yiwei Guo , Kai Yu

Previous speech restoration (SR) primarily focuses on single-task speech restoration (SSR), which cannot address general speech restoration problems. Training specific SSR models for different distortions is time-consuming and lacks…

Sound · Computer Science 2026-02-16 Ziqi Liang , Zhijun Jia , Chang Liu , Minghui Yang , Zhihong Lu , Jian Wang

Automatic speech recognition (ASR) for dysarthric speech remains challenging due to data scarcity, particularly in non-English languages. To address this, we fine-tune a voice conversion model on English dysarthric speech (UASpeech) to…

This paper proposed a novel approach for the detection and reconstruction of dysarthric speech. The encoder-decoder model factorizes speech into a low-dimensional latent space and encoding of the input text. We showed that the latent space…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-11 Daniel Korzekwa , Roberto Barra-Chicote , Bozena Kostek , Thomas Drugman , Mateusz Lajszczak

Despite the rapid progress of automatic speech recognition (ASR) technologies targeting normal speech in recent decades, accurate recognition of dysarthric and elderly speech remains highly challenging tasks to date. Sources of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-18 Mengzhe Geng , Xurong Xie , Zi Ye , Tianzi Wang , Guinan Li , Shujie Hu , Xunying Liu , Helen Meng

Real-world speech recordings suffer from degradations such as background noise and reverberation. Speech enhancement aims to mitigate these issues by generating clean high-fidelity signals. While recent generative approaches for speech…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-22 Heitor R. Guimarães , Jiaqi Su , Rithesh Kumar , Tiago H. Falk , Zeyu Jin

This paper is about developing personalized speech synthesis systems with recordings of mildly impaired speech. In particular, we consider consonant and vowel alterations resulted from partial glossectomy, the surgical removal of part of…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-10 Yusheng Tian , Guangyan Zhang , Tan Lee

We propose a speech enhancement system that combines speaker-agnostic speech restoration with voice conversion (VC) to obtain a studio-level quality speech signal. While voice conversion models are typically used to change speaker…

Sound · Computer Science 2025-05-22 Kyungguen Byun , Jason Filos , Erik Visser , Sunkuk Moon
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