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Current auto-regressive models can generate high-quality, topologically precise meshes; however, they necessitate thousands-or even tens of thousands-of next-token predictions during inference, resulting in substantial latency. We introduce…

Graphics · Computer Science 2025-08-07 Dian Chen , Yansong Qu , Xinyang Li , Ming Li , Shengchuan Zhang

Recent advancements in end-to-end neural speech codecs enable compressing audio at extremely low bitrates while maintaining high-fidelity reconstruction. Meanwhile, low computational complexity and low latency are crucial for real-time…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Leyan Yang , Ronghui Hu , Yang Xu , Jing Lu

Text-to-speech synthesis (TTS) has witnessed rapid progress in recent years, where neural methods became capable of producing audios with high naturalness. However, these efforts still suffer from two types of latencies: (a) the {\em…

Computation and Language · Computer Science 2020-10-08 Mingbo Ma , Baigong Zheng , Kaibo Liu , Renjie Zheng , Hairong Liu , Kainan Peng , Kenneth Church , Liang Huang

Speculative decoding is widely adopted to reduce latency in large language model (LLM) inference by leveraging smaller draft models capable of handling diverse user tasks. However, emerging AI applications, such as LLM-based agents, present…

Computation and Language · Computer Science 2025-10-09 Gabriele Oliaro , Zhihao Jia , Daniel Campos , Aurick Qiao

Discrete speech representation learning has recently attracted increasing interest in both acoustic and semantic modeling. Existing approaches typically encode 16 kHz waveforms into discrete tokens at a rate of 25 or 50 tokens per second.…

Computation and Language · Computer Science 2025-09-03 Jialong Zuo , Guangyan Zhang , Minghui Fang , Shengpeng Ji , Xiaoqi Jiao , Jingyu Li , Yiwen Guo , Zhou Zhao

The amount of articulatory data available for training deep learning models is much less compared to acoustic speech data. In order to improve articulatory-to-acoustic synthesis performance in these low-resource settings, we propose a…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-19 Peter Wu , Bohan Yu , Kevin Scheck , Alan W Black , Aditi S. Krishnapriyan , Irene Y. Chen , Tanja Schultz , Shinji Watanabe , Gopala K. Anumanchipalli

Pre-trained language models have shown stellar performance in various downstream tasks. But, this usually comes at the cost of high latency and computation, hindering their usage in resource-limited settings. In this work, we propose a…

Computation and Language · Computer Science 2022-03-18 Ali Modarressi , Hosein Mohebbi , Mohammad Taher Pilehvar

Speculative decoding accelerates autoregressive language model inference by verifying multiple draft tokens in parallel. However, the verification stage often becomes the dominant computational bottleneck, especially for long-context inputs…

Computation and Language · Computer Science 2025-12-29 Jikai Wang , Jianchao Tan , Yuxuan Hu , Jiayu Qin , Yerui Sun , Yuchen Xie , Xunliang Cai , Juntao Li , Min Zhang

Neural speech codecs have gained great attention for their outstanding reconstruction with discrete token representations. It is a crucial component in generative tasks such as speech coding and large language models (LLM). However, most…

Sound · Computer Science 2025-07-01 Youqiang Zheng , Weiping Tu , Yueteng Kang , Jie Chen , Yike Zhang , Li Xiao , Yuhong Yang , Long Ma

Autoregressive (AR) modeling has recently emerged as a promising new paradigm in visual generation, but its practical adoption is severely constrained by the slow inference speed of per-token generation, which often requires thousands of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Junhyuk So , Hyunho Kook , Chaeyeon Jang , Eunhyeok Park

Neural audio codecs, used as speech tokenizers, have demonstrated remarkable potential in the field of speech generation. However, to ensure high-fidelity audio reconstruction, neural audio codecs typically encode audio into long sequences…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-02 Wenrui Liu , Qian Chen , Wen Wang , Yafeng Chen , Jin Xu , Zhifang Guo , Guanrou Yang , Weiqin Li , Xiaoda Yang , Tao Jin , Minghui Fang , Jialong Zuo , Bai Jionghao , Zemin Liu

The aim of this project was to develop and implement an English language Text-to-Speech synthesis system. This involved a study of mechanisms of human speech production, a review of techniques in speech synthesis, and analysis of tests used…

Sound · Computer Science 2017-09-25 David Ferris

Speculative decoding (SD) accelerates large language model inference by allowing a lightweight draft model to propose outputs that a stronger target model verifies. However, its token-centric nature allows erroneous steps to propagate.…

Computation and Language · Computer Science 2026-04-17 Kiran Purohit , Ramasuri Narayanam , Soumyabrata Pal

Large transformer-based models have significant potential for speech transcription and translation. Their self-attention mechanisms and parallel processing enable them to capture complex patterns and dependencies in audio sequences.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-25 Yael Segal-Feldman , Aviv Shamsian , Aviv Navon , Gill Hetz , Joseph Keshet

Speculative decoding is an effective method for lossless acceleration of large language models during inference. It uses a fast model to draft a block of tokens which are then verified in parallel by the target model, and provides a…

Machine Learning · Computer Science 2025-04-14 Ziteng Sun , Uri Mendlovic , Yaniv Leviathan , Asaf Aharoni , Jae Hun Ro , Ahmad Beirami , Ananda Theertha Suresh

This paper presents a simple method that allows to easily enhance textual pre-trained large language models with speech information, when fine-tuned for a specific classification task. A classical issue with the fusion of many embeddings…

Computation and Language · Computer Science 2026-04-07 Nicolas Calbucura , Jose Guillen , Valentin Barriere

We present Deep Voice, a production-quality text-to-speech system constructed entirely from deep neural networks. Deep Voice lays the groundwork for truly end-to-end neural speech synthesis. The system comprises five major building blocks:…

Neural speech synthesis models can synthesize high quality speech but typically require a high computational complexity to do so. In previous work, we introduced LPCNet, which uses linear prediction to significantly reduce the complexity of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-24 Jean-Marc Valin , Umut Isik , Paris Smaragdis , Arvindh Krishnaswamy

Despite the remarkable strides made by autoregressive language models, their potential is often hampered by the slow inference speeds inherent in sequential token generation. Blockwise parallel decoding (BPD) was proposed by Stern et al. as…

Computation and Language · Computer Science 2024-06-06 Taehyeon Kim , Ananda Theertha Suresh , Kishore Papineni , Michael Riley , Sanjiv Kumar , Adrian Benton

End-to-end automatic speech recognition (ASR) systems based on transformer architectures, such as Whisper, offer high transcription accuracy and robustness. However, their autoregressive decoding is computationally expensive, hence limiting…

Computation and Language · Computer Science 2025-07-30 Tuan Vu Ho , Hiroaki Kokubo , Masaaki Yamamoto , Yohei Kawaguchi