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Related papers: NU-GAN: High resolution neural upsampling with GAN

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Automatic Speaker Verification (ASV) technology has become commonplace in virtual assistants. However, its performance suffers when there is a mismatch between the train and test domains. Mixed bandwidth training, i.e., pooling training…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-07 Saurabh Kataria , Jesús Villalba , Laureano Moro-Velázquez , Piotr Żelasko , Najim Dehak

We propose a generative adversarial network for point cloud upsampling, which can not only make the upsampled points evenly distributed on the underlying surface but also efficiently generate clean high frequency regions. The generator of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Hao Liu , Hui Yuan , Junhui Hou , Raouf Hamzaoui , Wei Gao

High-fidelity general audio compression at ultra-low bitrates is crucial for applications ranging from low-bandwidth communication to generative audio-language modeling. Traditional audio compression methods and contemporary neural codecs…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-03 Hao Ma , Ruihao Jing , Shansong Liu , Cheng Gong , Chi Zhang , Xiao-Lei Zhang , Xuelong Li

To effectively process impulse noise for narrowband powerline communications (NB-PLCs) transceivers, capturing comprehensive statistics of nonperiodic asynchronous impulsive noise (APIN) is a critical task. However, existing mathematical…

Signal Processing · Electrical Eng. & Systems 2025-10-30 Ying-Ren Chien , Po-Heng Chou , You-Jie Peng , Chun-Yuan Huang , Hen-Wai Tsao , Yu Tsao

The quality of speech coded by transform coding is affected by various artefacts especially when bitrates to quantize the frequency components become too low. In order to mitigate these coding artefacts and enhance the quality of coded…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-01 Srikanth Korse , Nicola Pia , Kishan Gupta , Guillaume Fuchs

Despite consistent advancement in powerful deep learning techniques in recent years, large amounts of training data are still necessary for the models to avoid overfitting. Synthetic datasets using generative adversarial networks (GAN) have…

Sound · Computer Science 2023-04-05 Yunhao Chen , Yunjie Zhu , Zihui Yan , Jianlu Shen , Zhen Ren , Yifan Huang

Existing dominant methods for audio generation include Generative Adversarial Networks (GANs) and diffusion-based methods like Flow Matching. GANs suffer from slow convergence during training, while diffusion methods require multi-step…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-10 Zengwei Yao , Wei Kang , Han Zhu , Liyong Guo , Lingxuan Ye , Fangjun Kuang , Weiji Zhuang , Zhaoqing Li , Zhifeng Han , Long Lin , Daniel Povey

High-fidelity singing voices usually require higher sampling rate (e.g., 48kHz) to convey expression and emotion. However, higher sampling rate causes the wider frequency band and longer waveform sequences and throws challenges for singing…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-04 Jiawei Chen , Xu Tan , Jian Luan , Tao Qin , Tie-Yan Liu

Generative adversarial networks have seen rapid development in recent years and have led to remarkable improvements in generative modelling of images. However, their application in the audio domain has received limited attention, and…

Deep generative models have achieved significant progress in speech synthesis to date, while high-fidelity singing voice synthesis is still an open problem for its long continuous pronunciation, rich high-frequency parts, and strong…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-08 Rongjie Huang , Chenye Cui , Feiyang Chen , Yi Ren , Jinglin Liu , Zhou Zhao , Baoxing Huai , Zhefeng Wang

Pre-trained models for automatic speech recognition (ASR) and speech enhancement (SE) have exhibited remarkable capabilities under matched noise and channel conditions. However, these models often suffer from severe performance degradation…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-03 Chien-Chun Wang , Hung-Shin Lee , Hsin-Min Wang , Berlin Chen

Advanced Generative Adversarial Networks (GANs) are remarkable in generating intelligible audio from a random latent vector. In this paper, we examine the task of recovering the latent vector of both synthesized and real audio. Previous…

Sound · Computer Science 2020-10-19 Andrew Keyes , Nicky Bayat , Vahid Reza Khazaie , Yalda Mohsenzadeh

Deep Neural Networks have been very successfully used for many computer vision and pattern recognition applications. While Convolutional Neural Networks(CNNs) have shown the path to state of art image classifications, Generative Adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Jake Sparkman , Abdalla Al-Ayrot , Utkarsh Contractor

This paper is on image and face super-resolution. The vast majority of prior work for this problem focus on how to increase the resolution of low-resolution images which are artificially generated by simple bilinear down-sampling (or in a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Adrian Bulat , Jing Yang , Georgios Tzimiropoulos

Generative adversarial network (GAN) based vocoders have achieved significant attention in speech synthesis with high quality and fast inference speed. However, there still exist many noticeable spectral artifacts, resulting in the quality…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-08 Rubing Shen , Yanzhen Ren , Zongkun Sun

Gaps, dropouts and short clips of corrupted audio are a common problem and particularly annoying when they occur in speech. This paper uses machine learning to regenerate gaps of up to 320ms in an audio speech signal. Audio regeneration is…

Sound · Computer Science 2023-05-11 Deniss Strods , Alan F. Smeaton

In recent years, generative adversarial networks (GANs) have made significant progress in generating audio sequences. However, these models typically rely on bandwidth-limited mel-spectrograms, which constrain the resolution of generated…

Sound · Computer Science 2025-05-15 Zeeshan Ahmad , Shudi Bao , Meng Chen

Audio codecs are typically transform-domain based and efficiently code stationary audio signals, but they struggle with speech and signals containing dense transient events such as applause. Specifically, with these two classes of signals…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-28 Arijit Biswas , Dai Jia

Most existing GANs architectures that generate images use transposed convolution or resize-convolution as their upsampling algorithm from lower to higher resolution feature maps in the generator. We argue that this kind of fixed operation…

Computer Vision and Pattern Recognition · Computer Science 2018-02-08 Nhat M. Nguyen , Nilanjan Ray

The problem of audio synthesis has been increasingly solved using deep neural networks. With the introduction of Generative Adversarial Networks (GAN), another efficient and adjective path has opened up to solve this problem. In this paper,…

Sound · Computer Science 2021-02-23 Shreeviknesh Sankaran , Sukavanan Nanjundan , G. Paavai Anand