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During the last few years, spoken language technologies have known a big improvement thanks to Deep Learning. However Deep Learning-based algorithms require amounts of data that are often difficult and costly to gather. Particularly,…

Sound · Computer Science 2019-01-15 Noé Tits , Kevin El Haddad , Thierry Dutoit

An unsupervised text-to-speech synthesis (TTS) system learns to generate speech waveforms corresponding to any written sentence in a language by observing: 1) a collection of untranscribed speech waveforms in that language; 2) a collection…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-17 Junrui Ni , Liming Wang , Heting Gao , Kaizhi Qian , Yang Zhang , Shiyu Chang , Mark Hasegawa-Johnson

Modern speaker verification systems primarily rely on speaker embeddings, followed by verification based on cosine similarity between the embedding vectors of the enrollment and test utterances. While effective, these methods struggle with…

Sound · Computer Science 2025-07-04 Wan Lin , Junhui Chen , Tianhao Wang , Zhenyu Zhou , Lantian Li , Dong Wang

Speech synthesis quality prediction has made remarkable progress with the development of supervised and self-supervised learning (SSL) MOS predictors but some aspects related to the data are still unclear and require further study. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-27 Alessandro Ragano , Emmanouil Benetos , Michael Chinen , Helard B. Martinez , Chandan K. A. Reddy , Jan Skoglund , Andrew Hines

Supervised training of speech recognition models requires access to transcribed audio data, which often is not possible due to confidentiality issues. Our approach to this problem is to generate synthetic audio from a text-only corpus using…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-01 Yanis Perrin , Gilles Boulianne

AI-synthesized speech, also known as deepfake speech, has recently raised significant concerns due to the rapid advancement of speech synthesis and speech conversion techniques. Previous works often rely on distinguishing synthesizer…

Sound · Computer Science 2024-11-15 Kuiyuan Zhang , Zhongyun Hua , Yushu Zhang , Yifang Guo , Tao Xiang

Speech Language Models (SLMs) have recently emerged as a unified paradigm for addressing a wide range of speech-related tasks, including text-to-speech (TTS), speech enhancement (SE), and automatic speech recognition (ASR). However, the…

Sound · Computer Science 2025-12-17 Yiwen Zhao , Jiatong Shi , Jinchuan Tian , Yuxun Tang , Jiarui Hai , Jionghao Han , Shinji Watanabe

Neural network based end-to-end Text-to-Speech (TTS) has greatly improved the quality of synthesized speech. While how to use massive spontaneous speech without transcription efficiently still remains an open problem. In this paper, we…

Sound · Computer Science 2022-02-07 Dabiao Ma , Yitong Zhang , Meng Li , Feng Ye

We propose PromptTTS++, a prompt-based text-to-speech (TTS) synthesis system that allows control over speaker identity using natural language descriptions. To control speaker identity within the prompt-based TTS framework, we introduce the…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-29 Reo Shimizu , Ryuichi Yamamoto , Masaya Kawamura , Yuma Shirahata , Hironori Doi , Tatsuya Komatsu , Kentaro Tachibana

The paper announces the new long-term challenge for improving the performance of automatic speech recognition systems. The goal of the challenge is to investigate methods of correcting the recognition results on the basis of previously made…

Computation and Language · Computer Science 2020-01-10 Marek Kubis , Zygmunt Vetulani , Mikołaj Wypych , Tomasz Ziętkiewicz

The diffusion models including Denoising Diffusion Probabilistic Models (DDPM) and score-based generative models have demonstrated excellent performance in speech synthesis tasks. However, its effectiveness comes at the cost of numerous…

Sound · Computer Science 2024-02-01 Wenhao Guan , Qi Su , Haodong Zhou , Shiyu Miao , Xingjia Xie , Lin Li , Qingyang Hong

Recent advances in generative artificial intelligence have enabled the creation of high-quality synthetic data that closely mimics real-world data. This paper explores the adaptation of the Stable Diffusion 2.0 model for generating…

Machine Learning · Computer Science 2024-05-07 Eugenio Lomurno , Matteo D'Oria , Matteo Matteucci

Automatic speech recognition (ASR) for conversational code-switching speech remains challenging due to the scarcity of realistic, high-quality labeled speech data. This paper explores multilingual text-to-speech (TTS) models as an effective…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-06 Yue Heng Yeo , Yuchen Hu , Shreyas Gopal , Yizhou Peng , Hexin Liu , Eng Siong Chng

Benefiting from the development of deep learning, text-to-speech (TTS) techniques using clean speech have achieved significant performance improvements. The data collected from real scenes often contains noise and generally needs to be…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-06 Qiushi Zhu , Yu Gu , Rilin Chen , Chao Weng , Yuchen Hu , Lirong Dai , Jie Zhang

The recent advancements in generative artificial speech models have made possible the generation of highly realistic speech signals. At first, it seems exciting to obtain these artificially synthesized signals such as speech clones or deep…

Sound · Computer Science 2022-03-09 Karan Bhatia , Ansh Agrawal , Priyanka Singh , Arun Kumar Singh

There has been a growing effort to develop universal speech enhancement (SE) to handle inputs with various speech distortions and recording conditions. The URGENT Challenge series aims to foster such universal SE by embracing a broad range…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Kohei Saijo , Wangyou Zhang , Samuele Cornell , Robin Scheibler , Chenda Li , Zhaoheng Ni , Anurag Kumar , Marvin Sach , Yihui Fu , Wei Wang , Tim Fingscheidt , Shinji Watanabe

Scaling Text-to-speech (TTS) to large-scale datasets has been demonstrated as an effective method for improving the diversity and naturalness of synthesized speech. At the high level, previous large-scale TTS models can be categorized into…

Text to speech (TTS) and automatic speech recognition (ASR) are two dual tasks in speech processing and both achieve impressive performance thanks to the recent advance in deep learning and large amount of aligned speech and text data.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Yi Ren , Xu Tan , Tao Qin , Sheng Zhao , Zhou Zhao , Tie-Yan Liu

Large-scale pre-trained self-supervised learning (SSL) models have shown remarkable advancements in speech-related tasks. However, the utilization of these models in complex multi-talker scenarios, such as extracting a target speaker in a…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-21 Junyi Peng , Marc Delcroix , Tsubasa Ochiai , Oldrich Plchot , Takanori Ashihara , Shoko Araki , Jan Cernocky

Voice Assistants such as Alexa, Siri, and Google Assistant typically use a two-stage Spoken Language Understanding pipeline; first, an Automatic Speech Recognition (ASR) component to process customer speech and generate text transcriptions,…

Computation and Language · Computer Science 2020-12-17 Subendhu Rongali , Beiye Liu , Liwei Cai , Konstantine Arkoudas , Chengwei Su , Wael Hamza