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Prior works have demonstrated zero-shot text-to-speech by using a generative language model on audio tokens obtained via a neural audio codec. It is still challenging, however, to adapt them to low-latency scenarios. In this paper, we…

Sound · Computer Science 2024-06-11 Trung Dang , David Aponte , Dung Tran , Kazuhito Koishida

We present a meta-learning approach for adaptive text-to-speech (TTS) with few data. During training, we learn a multi-speaker model using a shared conditional WaveNet core and independent learned embeddings for each speaker. The aim of…

High-fidelity neural audio codecs in Text-to-speech (TTS) aim to compress speech signals into discrete representations for faithful reconstruction. However, prior approaches faced challenges in effectively disentangling acoustic and…

Sound · Computer Science 2025-09-23 Ruonan Zhang , Xiaoyang Hao , Yichen Han , Junjie Cao , Yue Liu , Kai Zhang

Neural speech codecs have been widely used in audio compression and various downstream tasks. Current mainstream codecs are fixed-frame-rate (FFR), which allocate the same number of tokens to every equal-duration slice. However, speech is…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-04 Hankun Wang , Yiwei Guo , Chongtian Shao , Bohan Li , Kai Yu

Recently, Text-to-speech (TTS) models based on large language models (LLMs) that translate natural language text into sequences of discrete audio tokens have gained great research attention, with advances in neural audio codec (NAC) models…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-11 Yuto Nishimura , Takumi Hirose , Masanari Ohi , Hideki Nakayama , Nakamasa Inoue

Recent advances in Text-To-Speech (TTS) synthesis have seen the popularity of multi-stage approaches that first predict semantic tokens and then generate acoustic tokens. In this paper, we extend the coarse-to-fine generation paradigm to…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-30 Jianbo Ma , Richard Cartwright

Codec-based text-to-speech (TTS) models have shown impressive quality with zero-shot voice cloning abilities. However, they often struggle with more expressive references or complex text inputs. We present MARS6, a robust encoder-decoder…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-13 Matthew Baas , Pieter Scholtz , Arnav Mehta , Elliott Dyson , Akshat Prakash , Herman Kamper

Vocoders received renewed attention as main components in statistical parametric text-to-speech (TTS) synthesis and speech transformation systems. Even though there are vocoding techniques give almost accepted synthesized speech, their high…

Sound · Computer Science 2021-06-22 Mohammed Salah Al-Radhi , Tamás Gábor Csapó , Géza Németh

Discrete speech tokenization is a fundamental component in speech codecs. However, in large-scale speech-to-speech systems, the complexity of parallel streams from multiple quantizers and the computational cost of high-time-dimensional…

Sound · Computer Science 2025-07-28 Rongkun Xue , Yazhe Niu , Shuai Hu , Zixin Yin , Yongqiang Yao , Jing Yang

Tokenising continuous speech into sequences of discrete tokens and modelling them with language models (LMs) has led to significant success in text-to-speech (TTS) synthesis. Although these models can generate speech with high quality and…

Sound · Computer Science 2024-08-30 Zehai Tu , Guangyan Zhang , Yiting Lu , Adaeze Adigwe , Simon King , Yiwen Guo

Neural speech codecs are essential for advancing text-to-speech (TTS) systems. With the recent success of large language models in text generation, developing high-quality speech tokenizers has become increasingly important. This paper…

Sound · Computer Science 2025-06-02 Peijie Chen , Wenhao Guan , Kaidi Wang , Weijie Wu , Hukai Huang , Qingyang Hong , Lin Li

Recent years have witnessed a trend that large language model (LLM) based text-to-speech (TTS) emerges into the mainstream due to their high naturalness and zero-shot capacity. In this paradigm, speech signals are discretized into token…

In the development of neural text-to-speech systems, model pre-training with a large amount of non-target speakers' data is a common approach. However, in terms of ultimately achieved system performance for target speaker(s), the actual…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-11 Guangyan Zhang , Yichong Leng , Daxin Tan , Ying Qin , Kaitao Song , Xu Tan , Sheng Zhao , Tan Lee

Large language models have revolutionized natural language processing through self-supervised pretraining on massive datasets. Inspired by this success, researchers have explored adapting these methods to speech by discretizing continuous…

Machine Learning · Computer Science 2025-10-28 Luca Della Libera , Francesco Paissan , Cem Subakan , Mirco Ravanelli

This paper presents a novel framework to build a voice conversion (VC) system by learning from a text-to-speech (TTS) synthesis system, that is called TTS-VC transfer learning. We first develop a multi-speaker speech synthesis system with…

Audio and Speech Processing · Electrical Eng. & Systems 2021-01-07 Mingyang Zhang , Yi Zhou , Li Zhao , Haizhou Li

On account of growing demands for personalization, the need for a so-called few-shot TTS system that clones speakers with only a few data is emerging. To address this issue, we propose Attentron, a few-shot TTS model that clones voices of…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-13 Seungwoo Choi , Seungju Han , Dongyoung Kim , Sungjoo Ha

Neural text-to-speech (TTS) generally consists of cascaded architecture with separately optimized acoustic model and vocoder, or end-to-end architecture with continuous mel-spectrograms or self-extracted speech frames as the intermediate…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-09 Ruiqing Xue , Yanqing Liu , Lei He , Xu Tan , Linquan Liu , Edward Lin , Sheng Zhao

Large language models (LLMs) have significantly advanced audio processing through audio codecs that convert audio into discrete tokens, enabling the application of language modeling techniques to audio data. However, audio codecs often…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-19 Edresson Casanova , Ryan Langman , Paarth Neekhara , Shehzeen Hussain , Jason Li , Subhankar Ghosh , Ante Jukić , Sang-gil Lee

Existing speech tokenizers typically assign a fixed number of tokens per second, regardless of the varying information density or temporal fluctuations in the speech signal. This uniform token allocation mismatches the intrinsic structure…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-14 Rui-Chen Zheng , Wenrui Liu , Hui-Peng Du , Qinglin Zhang , Chong Deng , Qian Chen , Wen Wang , Yang Ai , Zhen-Hua Ling

Current text-to-speech (TTS) models face a persistent limitation: autoregressive (AR) models suffer from low generation efficiency, while modern non-autoregressive (NAR) models experience high latency due to their unordered temporal nature.…

Sound · Computer Science 2026-03-17 Zhengyan Sheng , Zhihao Du , Shiliang Zhang , Zhijie Yan , Liping Chen