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Related papers: NESC: Robust Neural End-2-End Speech Coding with G…

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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

This paper investigates a key challenge faced by joint source-channel coding (JSCC) in digital semantic communication (SemCom): the incompatibility between existing JSCC schemes that yield continuous encoded representations and digital…

Information Theory · Computer Science 2025-11-12 Yujie Zhou , Rulong Wang , Yong Xiao , Yingyu Li , Guangming Shi

Neural audio codecs (NACs), which use neural networks to generate compact audio representations, have garnered interest for their applicability to many downstream tasks -- especially quantized codecs due to their compatibility with large…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-13 Ryo Aihara , Yoshiki Masuyama , Gordon Wichern , François G. Germain , Jonathan Le Roux

Neural Audio Codecs (NACs) have become increasingly adopted in speech processing tasks due to their excellent rate-distortion performance and compatibility with Large Language Models (LLMs) as discrete feature representations for audio…

Sound · Computer Science 2025-09-15 Harry Julian , Rachel Beeson , Lohith Konathala , Johanna Ulin , Jiameng Gao

Neural audio codecs have recently gained popularity because they can represent audio signals with high fidelity at very low bitrates, making it feasible to use language modeling approaches for audio generation and understanding. Residual…

Sound · Computer Science 2024-10-21 Hubert Siuzdak , Florian Grötschla , Luca A. Lanzendörfer

Audio coding is an essential module in the real-time communication system. Neural audio codecs can compress audio samples with a low bitrate due to the strong modeling and generative capabilities of deep neural networks. To address the poor…

Sound · Computer Science 2023-10-18 Wenzhe Liu , Wei Xiao , Meng Wang , Shan Yang , Yupeng Shi , Yuyong Kang , Dan Su , Shidong Shang , Dong Yu

Deep-learning based methods have shown their advantages in audio coding over traditional ones but limited attention has been paid on real-time communications (RTC). This paper proposes the TFNet, an end-to-end neural speech codec with low…

Sound · Computer Science 2022-02-16 Xue Jiang , Xiulian Peng , Chengyu Zheng , Huaying Xue , Yuan Zhang , Yan Lu

Recent advancement in Generative Adversarial Networks in speech synthesis domain[3],[2] have shown, that it's possible to train GANs [8] in a reliable manner for high quality coherent waveform generation from mel-spectograms. We propose…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-16 Luka Chkhetiani , Levan Bejanidze

Neural audio codecs have recently enabled high-fidelity reconstruction at high compression rates, especially for speech. However, speech and non-speech audio exhibit fundamentally different spectral characteristics: speech energy…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-11 Haoran Wang , Jiatong Shi , Jinchuan Tian , Bohan Li , Kai Yu , Shinji Watanabe

Modern compression algorithms are often the result of laborious domain-specific research; industry standards such as MP3, JPEG, and AMR-WB took years to develop and were largely hand-designed. We present a deep neural network model which…

Sound · Computer Science 2021-07-09 Srihari Kankanahalli

The advent of neural audio codecs has increased in popularity due to their potential for efficiently modeling audio with transformers. Such advanced codecs represent audio from a highly continuous waveform to low-sampled discrete units. In…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-19 Samir Sadok , Julien Hauret , Éric Bavu

In recent years, neural networks (NNs) have been widely applied in acoustic echo cancellation (AEC). However, existing approaches struggle to meet real-world low-latency and computational requirements while maintaining performance. To…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-11 Xingchen Li , Boyi Kang , Ziqian Wang , Zihan Zhang , Mingshuai Liu , Zhonghua Fu , Lei Xie

Resilience against stragglers is a critical element of prediction serving systems, tasked with executing inferences on input data for a pre-trained machine-learning model. In this paper, we propose NeRCC, as a general straggler-resistant…

Machine Learning · Computer Science 2024-02-12 Parsa Moradi , Mohammad Ali Maddah-Ali

In low-bitrate speech coding, end-to-end speech coding networks aim to learn compact yet expressive features and a powerful decoder in a single network. A challenging problem as such results in unwelcome complexity increase and inferior…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-16 Haici Yang , Inseon Jang , Minje Kim

The performance of automatic speech recognition (ASR) has improved tremendously due to the application of deep neural networks (DNNs). Despite this progress, building a new ASR system remains a challenging task, requiring various resources,…

Computation and Language · Computer Science 2015-10-20 Yajie Miao , Mohammad Gowayyed , Florian Metze

Recently, GAN vocoders have seen rapid progress in speech synthesis, starting to outperform autoregressive models in perceptual quality with much higher generation speed. However, autoregressive vocoders are still the common choice for…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-10 Ahmed Mustafa , Jan Büthe , Srikanth Korse , Kishan Gupta , Guillaume Fuchs , Nicola Pia

Speech codecs serve as a crucial bridge in unifying speech and text language models. Existing codec methods face several challenges in semantic encoding, such as residual paralinguistic information (e.g., timbre, emotion), insufficient…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-06 Chunyu Qiang , Haoyu Wang , Cheng Gong , Tianrui Wang , Ruibo Fu , Tao Wang , Ruilong Chen , Jiangyan Yi , Zhengqi Wen , Chen Zhang , Longbiao Wang , Jianwu Dang , Jianhua Tao

Recent advancements in neural audio codecs have not only enabled superior audio compression but also enhanced speech synthesis techniques. Researchers are now exploring their potential as universal acoustic feature extractors for a broader…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-21 Wei-Cheng Tseng , David Harwath

End-to-end semantic communications (ESC) rely on deep neural networks (DNN) to boost communication efficiency by only transmitting the semantics of data, showing great potential for high-demand mobile applications. We argue that central to…

Signal Processing · Electrical Eng. & Systems 2023-05-15 Guoshun Nan , Zhichun Li , Jinli Zhai , Qimei Cui , Gong Chen , Xin Du , Xuefei Zhang , Xiaofeng Tao , Zhu Han , Tony Q. S. Quek

Neural speech coding is a rapidly developing topic, where state-of-the-art approaches now exhibit superior compression performance than conventional methods. Despite significant progress, existing methods still have limitations in…

Sound · Computer Science 2024-07-31 Youqiang Zheng , Weiping Tu , Li Xiao , Xinmeng Xu