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Unified architectures in multimodal large language models (MLLM) have shown promise in handling diverse tasks within a single framework. In the text-to-speech (TTS) task, current MLLM-based approaches rely on discrete token representations,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-27 Xinlu He , Swayambhu Nath Ray , Harish Mallidi , Jia-Hong Huang , Ashwin Bellur , Chander Chandak , M. Maruf , Venkatesh Ravichandran

Diffusion models have achieved remarkable success in text-to-speech (TTS), even in zero-shot scenarios. Recent efforts aim to address the trade-off between inference speed and sound quality, often considered the primary drawback of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-14 Changjin Han , Seokgi Lee , Gyuhyeon Nam , Gyeongsu Chae

Recent advancements in neural end-to-end TTS models have shown high-quality, natural synthesized speech in a conventional sentence-based TTS. However, it is still challenging to reproduce similar high quality when a whole paragraph is…

Sound · Computer Science 2022-09-15 Liumeng Xue , Frank K. Soong , Shaofei Zhang , Lei Xie

Speech synthesis has recently seen significant improvements in fidelity, driven by the advent of neural vocoders and neural prosody generators. However, these systems lack intuitive user controls over prosody, making them unable to rectify…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-13 Max Morrison , Zeyu Jin , Justin Salamon , Nicholas J. Bryan , Gautham J. Mysore

Conditional diffusion models have exhibited superior performance in high-fidelity text-guided visual generation and editing. Nevertheless, prevailing text-guided visual diffusion models primarily focus on incorporating text-visual…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Ling Yang , Zhilong Zhang , Zhaochen Yu , Jingwei Liu , Minkai Xu , Stefano Ermon , Bin Cui

Most text-to-speech (TTS) methods use high-quality speech corpora recorded in a well-designed environment, incurring a high cost for data collection. To solve this problem, existing noise-robust TTS methods are intended to use noisy speech…

Sound · Computer Science 2022-06-30 Takaaki Saeki , Kentaro Tachibana , Ryuichi Yamamoto

In-Context Learning and Chain-of-Thought prompting improve reasoning in large language models (LLMs). These typically come at the cost of longer, more expensive prompts that may contain redundant information. Prompt compression based on…

Computation and Language · Computer Science 2026-04-09 Caleb Zheng , Jyotika Singh , Fang Tu , Weiyi Sun , Sujeeth Bharadwaj , Yassine Benajiba , Sujith Ravi , Eli Shlizerman , Dan Roth

Variable selection for high-dimensional, highly correlated data has long been a challenging problem, often yielding unstable and unreliable models. We propose a resample-aggregate framework that exploits diffusion models' ability to…

Methodology · Statistics 2025-08-20 Minjie Wang , Xiaotong Shen , Wei Pan

In text-to-speech (TTS) synthesis, diffusion models have achieved promising generation quality. However, because of the pre-defined data-to-noise diffusion process, their prior distribution is restricted to a noisy representation, which…

Machine Learning · Computer Science 2024-02-09 Zehua Chen , Guande He , Kaiwen Zheng , Xu Tan , Jun Zhu

We present a multi-speaker Japanese audiobook text-to-speech (TTS) system that leverages multimodal context information of preceding acoustic context and bilateral textual context to improve the prosody of synthetic speech. Previous work…

This paper proposes a method for extracting a lightweight subset from a text-to-speech (TTS) corpus ensuring synthetic speech quality. In recent years, methods have been proposed for constructing large-scale TTS corpora by collecting…

Sound · Computer Science 2023-09-18 Kentaro Seki , Shinnosuke Takamichi , Takaaki Saeki , Hiroshi Saruwatari

Diffusion models have emerged as a powerful paradigm for generation, obtaining strong performance in various continuous domains. However, applying continuous diffusion models to natural language remains challenging due to its discrete…

Computation and Language · Computer Science 2024-02-22 Rabeeh Karimi Mahabadi , Hamish Ivison , Jaesung Tae , James Henderson , Iz Beltagy , Matthew E. Peters , Arman Cohan

Text-to-Speech (TTS) synthesis using deep learning relies on voice quality. Modern TTS models are advanced, but they need large amount of data. Given the growing computational complexity of these models and the scarcity of large,…

Sound · Computer Science 2023-10-10 Ze Liu

Continuous speech separation (CSS) aims to separate overlapping voices from a continuous influx of conversational audio containing an unknown number of utterances spoken by an unknown number of speakers. A common application scenario is…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-14 Zhuohuang Zhang , Takuya Yoshioka , Naoyuki Kanda , Zhuo Chen , Xiaofei Wang , Dongmei Wang , Sefik Emre Eskimez

We propose UnitSpeech, a speaker-adaptive speech synthesis method that fine-tunes a diffusion-based text-to-speech (TTS) model using minimal untranscribed data. To achieve this, we use the self-supervised unit representation as a pseudo…

Sound · Computer Science 2023-06-29 Heeseung Kim , Sungwon Kim , Jiheum Yeom , Sungroh Yoon

Emotional Text-To-Speech (TTS) is an important task in the development of systems (e.g., human-like dialogue agents) that require natural and emotional speech. Existing approaches, however, only aim to produce emotional TTS for seen…

Sound · Computer Science 2023-05-24 Minki Kang , Wooseok Han , Sung Ju Hwang , Eunho Yang

Speaker independent continuous speech separation (SI-CSS) is a task of converting a continuous audio stream, which may contain overlapping voices of unknown speakers, into a fixed number of continuous signals each of which contains no…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-16 Takuya Yoshioka , Zhuo Chen , Changliang Liu , Xiong Xiao , Hakan Erdogan , Dimitrios Dimitriadis

Expressive synthetic speech is essential for many human-computer interaction and audio broadcast scenarios, and thus synthesizing expressive speech has attracted much attention in recent years. Previous methods performed the expressive…

Sound · Computer Science 2022-01-19 Yi Lei , Shan Yang , Xinsheng Wang , Lei Xie

This paper describes a dataset and protocols for evaluating continuous speech separation algorithms. Most prior studies on speech separation use pre-segmented signals of artificially mixed speech utterances which are mostly \emph{fully}…

Sound · Computer Science 2020-05-08 Zhuo Chen , Takuya Yoshioka , Liang Lu , Tianyan Zhou , Zhong Meng , Yi Luo , Jian Wu , Xiong Xiao , Jinyu Li

In long-text speech synthesis, current approaches typically convert text to speech at the sentence-level and concatenate the results to form pseudo-paragraph-level speech. These methods overlook the contextual coherence of paragraphs,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-21 Zhipeng Li , Xiaofen Xing , Jingyuan Xing , Hangrui Hu , Heng Lu , Xiangmin Xu