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While recent zero-shot text-to-speech (TTS) models have significantly improved speech quality and expressiveness, mainstream systems still suffer from issues related to speech-text alignment modeling: 1) models without explicit speech-text…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-31 Ziyue Jiang , Yi Ren , Ruiqi Li , Shengpeng Ji , Boyang Zhang , Zhenhui Ye , Chen Zhang , Bai Jionghao , Xiaoda Yang , Jialong Zuo , Yu Zhang , Rui Liu , Xiang Yin , Zhou Zhao

Diffusion models have gained attention in speech enhancement tasks, providing an alternative to conventional discriminative methods. However, research on target speech extraction under multi-speaker noisy conditions remains relatively…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-08 Leying Zhang , Yao Qian , Linfeng Yu , Heming Wang , Hemin Yang , Long Zhou , Shujie Liu , Yanmin Qian

The diffusion model is capable of generating high-quality data through a probabilistic approach. However, it suffers from the drawback of slow generation speed due to the requirement of a large number of time steps. To address this…

Sound · Computer Science 2024-04-30 Myeongjin Ko , Yong-Hoon Choi

Although diffusion models in text-to-speech have become a popular choice due to their strong generative ability, the intrinsic complexity of sampling from diffusion models harms their efficiency. Alternatively, we propose VoiceFlow, an…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-04 Yiwei Guo , Chenpeng Du , Ziyang Ma , Xie Chen , Kai Yu

This paper presents an end-to-end text-to-speech system with low latency on a CPU, suitable for real-time applications. The system is composed of an autoregressive attention-based sequence-to-sequence acoustic model and the LPCNet vocoder…

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,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-15 Shivam Mehta , Siyang Wang , Simon Alexanderson , Jonas Beskow , Éva Székely , Gustav Eje Henter

Simultaneous speech translation (SST) takes streaming speech input and generates text translation on the fly. Existing methods either have high latency due to recomputation of input representations, or fall behind of offline ST in…

Computation and Language · Computer Science 2024-08-20 Siqi Ouyang , Xi Xu , Chinmay Dandekar , Lei Li

Cascaded speech-to-speech translation systems often suffer from the error accumulation problem and high latency, which is a result of cascaded modules whose inference delays accumulate. In this paper, we propose a transducer-based speech…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-07 Jinzheng Zhao , Niko Moritz , Egor Lakomkin , Ruiming Xie , Zhiping Xiu , Katerina Zmolikova , Zeeshan Ahmed , Yashesh Gaur , Duc Le , Christian Fuegen

Speech-to-speech translation is a typical sequence-to-sequence learning task that naturally has two directions. How to effectively leverage bidirectional supervision signals to produce high-fidelity audio for both directions? Existing…

Computation and Language · Computer Science 2023-05-23 Xianchao Wu

We present a direct speech-to-speech translation (S2ST) model that translates speech from one language to speech in another language without relying on intermediate text generation. We tackle the problem by first applying a self-supervised…

Computation and Language · Computer Science 2022-03-23 Ann Lee , Peng-Jen Chen , Changhan Wang , Jiatao Gu , Sravya Popuri , Xutai Ma , Adam Polyak , Yossi Adi , Qing He , Yun Tang , Juan Pino , Wei-Ning Hsu

Speech to speech translation (S2ST) is a transformative technology that bridges global communication gaps, enabling real time multilingual interactions in diplomacy, tourism, and international trade. Our review examines the evolution of…

Computation and Language · Computer Science 2025-03-10 Mohammad Sarim , Saim Shakeel , Laeeba Javed , Jamaluddin , Mohammad Nadeem

Simultaneous speech-to-text translation (SimulST) translates source-language speech into target-language text concurrently with the speaker's speech, ensuring low latency for better user comprehension. Despite its intended application to…

Computation and Language · Computer Science 2024-12-25 Sara Papi , Peter Polak , Ondřej Bojar , Dominik Macháček

Direct speech-to-speech translation (S2ST) translates speech from one language into another using a single model. However, due to the presence of linguistic and acoustic diversity, the target speech follows a complex multimodal…

Computation and Language · Computer Science 2023-10-12 Qingkai Fang , Yan Zhou , Yang Feng

Human speech exhibits rich and flexible prosodic variations. To address the one-to-many mapping problem from text to prosody in a reasonable and flexible manner, we propose DiffStyleTTS, a multi-speaker acoustic model based on a conditional…

Sound · Computer Science 2024-12-05 Jiaxuan Liu , Zhaoci Liu , Yajun Hu , Yingying Gao , Shilei Zhang , Zhenhua Ling

Speech-to-Speech Translation (S2ST) models transform speech from one language to another target language with the same linguistic information. S2ST is important for bridging the communication gap among communities and has diverse…

Computation and Language · Computer Science 2024-11-25 Mahendra Gupta , Maitreyee Dutta , Chandresh Kumar Maurya

Recent attempts to interleave autoregressive (AR) sketchers with diffusion-based refiners over continuous speech representations have shown promise, but they remain brittle under distribution shift and offer limited levers for…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-17 Yakun Song , Xiaobin Zhuang , Jiawei Chen , Zhikang Niu , Guanrou Yang , Chenpeng Du , Dongya Jia , Zhuo Chen , Yuping Wang , Yuxuan Wang , Xie Chen

Research on speech-to-speech translation (S2ST) has progressed rapidly in recent years. Many end-to-end systems have been proposed and show advantages over conventional cascade systems, which are often composed of recognition, translation…

Computation and Language · Computer Science 2022-11-17 Xinjian Li , Ye Jia , Chung-Cheng Chiu

Direct speech-to-speech translation (S2ST) has gradually become popular as it has many advantages compared with cascade S2ST. However, current research mainly focuses on the accuracy of semantic translation and ignores the speech style…

Sound · Computer Science 2023-07-26 Kun Song , Yi Ren , Yi Lei , Chunfeng Wang , Kun Wei , Lei Xie , Xiang Yin , Zejun Ma

Dysarthric speech reconstruction (DSR) aims to convert dysarthric speech into comprehensible speech while maintaining the speaker's identity. Despite significant advancements, existing methods often struggle with low speech intelligibility…

Sound · Computer Science 2025-06-03 Xueyuan Chen , Dongchao Yang , Wenxuan Wu , Minglin Wu , Jing Xu , Xixin Wu , Zhiyong Wu , Helen Meng

Diffusion models have shown exceptional scaling properties in the image synthesis domain, and initial attempts have shown similar benefits for applying diffusion to unconditional text synthesis. Denoising diffusion models attempt to…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-17 Matthew Baas , Kevin Eloff , Herman Kamper