English
Related papers

Related papers: Exploring Disentangled Neural Speech Codecs from S…

200 papers

While recent neural audio codecs deliver superior speech quality at ultralow bitrates over traditional methods, their practical adoption is hindered by obstacles related to low-resource operation and robustness to acoustic distortions. Edge…

An effective approach to non-parallel voice conversion (VC) is to utilize deep neural networks (DNNs), specifically variational auto encoders (VAEs), to model the latent structure of speech in an unsupervised manner. A previous study has…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-09 Wen-Chin Huang , Hsin-Te Hwang , Yu-Huai Peng , Yu Tsao , Hsin-Min Wang

While neural vocoders have made significant progress in high-fidelity speech synthesis, their application on polyphonic music has remained underexplored. In this work, we propose DisCoder, a neural vocoder that leverages a generative…

Using unsupervised learning to disentangle speech into content, rhythm, pitch, and timbre for voice conversion has become a hot research topic. Existing works generally take into account disentangling speech components through human-crafted…

Sound · Computer Science 2024-05-01 Ziqi Liang , Jianzong Wang , Xulong Zhang , Yong Zhang , Ning Cheng , Jing Xiao

Negation and uncertainty modeling are long-standing tasks in natural language processing. Linguistic theory postulates that expressions of negation and uncertainty are semantically independent from each other and the content they modify.…

Computation and Language · Computer Science 2022-04-04 Jake Vasilakes , Chrysoula Zerva , Makoto Miwa , Sophia Ananiadou

The residual vector quantization (RVQ) technique plays a central role in recent advances in neural audio codecs. These models effectively synthesize high-fidelity audio from a limited number of codes due to the hierarchical structure among…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-24 Hyeongju Kim , Junhyeok Lee , Jacob Morton , Juheon Lee , Jinhyeok Yang

Audio captioning aims to automatically generate a natural language description of an audio clip. Most captioning models follow an encoder-decoder architecture, where the decoder predicts words based on the audio features extracted by the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-22 Xinhao Mei , Xubo Liu , Qiushi Huang , Mark D. Plumbley , Wenwu Wang

Despite speaker verification has achieved significant performance improvement with the development of deep neural networks, domain mismatch is still a challenging problem in this field. In this study, we propose a novel framework to…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-24 Mufan Sang , Wei Xia , John H. L. Hansen

Self-supervised representation learning approaches have grown in popularity due to the ability to train models on large amounts of unlabeled data and have demonstrated success in diverse fields such as natural language processing, computer…

Machine Learning · Computer Science 2023-02-06 John Harvill , Jarred Barber , Arun Nair , Ramin Pishehvar

Recently, voice conversion (VC) has been widely studied. Many VC systems use disentangle-based learning techniques to separate the speaker and the linguistic content information from a speech signal. Subsequently, they convert the voice by…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-03 Yen-Hao Chen , Da-Yi Wu , Tsung-Han Wu , Hung-yi Lee

Neural audio codecs form the foundational building blocks for language model (LM)-based speech generation. Typically, there is a trade-off between frame rate and audio quality. This study introduces a low-frame-rate, semantically enhanced…

Sound · Computer Science 2025-10-02 Jiaqi Li , Xiaolong Lin , Zhekai Li , Shixi Huang , Yuancheng Wang , Chaoren Wang , Zhenpeng Zhan , Zhizheng Wu

As an increasing amount of image and video content will be analyzed by machines, there is demand for a new codec paradigm that is capable of compressing visual input primarily for the purpose of computer vision inference, while secondarily…

Image and Video Processing · Electrical Eng. & Systems 2023-01-12 Ezgi Ozyilkan , Mateen Ulhaq , Hyomin Choi , Fabien Racape

Wav2vec-C introduces a novel representation learning technique combining elements from wav2vec 2.0 and VQ-VAE. Our model learns to reproduce quantized representations from partially masked speech encoding using a contrastive loss in a way…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-25 Samik Sadhu , Di He , Che-Wei Huang , Sri Harish Mallidi , Minhua Wu , Ariya Rastrow , Andreas Stolcke , Jasha Droppo , Roland Maas

Neural audio codecs (NACs) have garnered significant attention as key technologies for audio compression as well as audio representation for speech language models. While mainstream NAC models are predominantly convolution-based, the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-29 Haibin Wu , Naoyuki Kanda , Sefik Emre Eskimez , Jinyu Li

Neural audio codecs optimized for mel-spectrogram reconstruction often fail to preserve intelligibility. While semantic encoder distillation improves encoded representations, it does not guarantee content preservation in reconstructed…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Junhyeok Lee , Xiluo He , Jihwan Lee , Helin Wang , Shrikanth Narayanan , Thomas Thebaud , Laureano Moro-Velazquez , Jesús Villalba , Najim Dehak

Non-parallel many-to-many voice conversion remains an interesting but challenging speech processing task. Recently, AutoVC, a conditional autoencoder based method, achieved excellent conversion results by disentangling the speaker identity…

Sound · Computer Science 2022-08-09 Huaizhen Tang , Xulong Zhang , Jianzong Wang , Ning Cheng , Zhen Zeng , Edward Xiao , Jing Xiao

We present a neural analysis and synthesis (NANSY) framework that can manipulate voice, pitch, and speed of an arbitrary speech signal. Most of the previous works have focused on using information bottleneck to disentangle analysis features…

Sound · Computer Science 2021-10-29 Hyeong-Seok Choi , Juheon Lee , Wansoo Kim , Jie Hwan Lee , Hoon Heo , Kyogu Lee

Neural speech codecs provide discrete representations for speech language models, but emotional cues are often degraded during quantization. Existing codecs mainly optimize acoustic reconstruction, leaving emotion expressiveness…

Sound · Computer Science 2026-05-13 Jiacheng Shi , Hongfei Du , Xinyuan Song , Y. Alicia Hong , Yanfu Zhang , Ye Gao

The success of deep learning comes from its ability to capture the hierarchical structure of data by learning high-level representations defined in terms of low-level ones. In this paper we explore self-supervised learning of hierarchical…

Large Language Models (LLMs) are one of the most promising technologies for the next era of speech generation systems, due to their scalability and in-context learning capabilities. Nevertheless, they suffer from multiple stability issues…