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Neural waveform models such as the WaveNet are used in many recent text-to-speech systems, but the original WaveNet is quite slow in waveform generation because of its autoregressive (AR) structure. Although faster non-AR models were…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-30 Xin Wang , Shinji Takaki , Junichi Yamagishi

This paper introduces a novel (HDAG - Harmonic Detection for Auditory Gain) method for speech intelligibility enhancement in noisy scenarios. In the proposed scheme, a series of selective Gammachirp filters are adopted to emphasize the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-23 A. Queiroz , R. Coelho

In this paper, we propose a parallel WaveGAN (PWG)-like neural vocoder with a quasi-periodic (QP) architecture to improve the pitch controllability of PWG. PWG is a compact non-autoregressive (non-AR) speech generation model, whose…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-10 Yi-Chiao Wu , Tomoki Hayashi , Takuma Okamoto , Hisashi Kawai , Tomoki Toda

The research in Environmental Sound Classification (ESC) has been progressively growing with the emergence of deep learning algorithms. However, data scarcity poses a major hurdle for any huge advance in this domain. Data augmentation…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-16 Aswathy Madhu , Suresh K

Recent advances in generative speech have increased the need for automatic detection of obviously failed synthetic outputs. This is particularly important in clinical settings such as AVATAR therapy, in which schizophrenia patients engage…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-12 Jana Shokr , Minos Papadopoulos , Jeremy Cooperstock , Pavo Orepic

Besides the well-known classification task, these days neural networks are frequently being applied to generate or transform data, such as images and audio signals. In such tasks, the conventional loss functions like the mean squared error…

This work provides a solution to the challenge of small amounts of training data in Non-Destructive Ultrasonic Testing for composite components. It was demonstrated that direct simulation alone is ineffective at producing training data that…

Image and Video Processing · Electrical Eng. & Systems 2023-11-06 Shaun McKnight , S. Gareth Pierce , Ehsan Mohseni , Christopher MacKinnon , Charles MacLeod , Tom OHare , Charalampos Loukas

One way to interpret trained deep neural networks (DNNs) is by inspecting characteristics that neurons in the model respond to, such as by iteratively optimising the model input (e.g., an image) to maximally activate specific neurons.…

Machine Learning · Computer Science 2019-07-02 Saumitra Mishra , Daniel Stoller , Emmanouil Benetos , Bob L. Sturm , Simon Dixon

Visual and audio modalities are two symbiotic modalities underlying videos, which contain both common and complementary information. If they can be mined and fused sufficiently, performances of related video tasks can be significantly…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Wangli Hao , Zhaoxiang Zhang , He Guan

In this work, we further develop the conformer-based metric generative adversarial network (CMGAN) model for speech enhancement (SE) in the time-frequency (TF) domain. This paper builds on our previous work but takes a more in-depth look by…

Sound · Computer Science 2024-05-07 Sherif Abdulatif , Ruizhe Cao , Bin Yang

Voice conversion is a method that allows for the transformation of speaking style while maintaining the integrity of linguistic information. There are many researchers using deep generative models for voice conversion tasks. Generative…

Sound · Computer Science 2023-08-29 Xulong Zhang , Jianzong Wang , Ning Cheng , Jing Xiao

Recent work has shown that it is feasible to use generative adversarial networks (GANs) for speech enhancement, however, these approaches have not been compared to state-of-the-art (SOTA) non GAN-based approaches. Additionally, many loss…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-29 Zhuohuang Zhang , Chengyun Deng , Yi Shen , Donald S. Williamson , Yongtao Sha , Yi Zhang , Hui Song , Xiangang Li

Voice Conversion (VC) emerged as a significant domain of research in the field of speech synthesis in recent years due to its emerging application in voice-assisting technology, automated movie dubbing, and speech-to-singing conversion to…

Sound · Computer Science 2021-04-27 Sandipan Dhar , Nanda Dulal Jana , Swagatam Das

Neural waveform models such as WaveNet have demonstrated better performance than conventional vocoders for statistical parametric speech synthesis. As an autoregressive (AR) model, WaveNet is limited by a slow sequential waveform generation…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-19 Xin Wang , Shinji Takaki , Junichi Yamagishi

Audio is an essential part of our life, but creating it often requires expertise and is time-consuming. Research communities have made great progress over the past year advancing the performance of large scale audio generative models for a…

This paper proposes voicing-aware conditional discriminators for Parallel WaveGAN-based waveform synthesis systems. In this framework, we adopt a projection-based conditioning method that can significantly improve the discriminator's…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-27 Ryuichi Yamamoto , Eunwoo Song , Min-Jae Hwang , Jae-Min Kim

This study focused on efficient text generation using generative adversarial networks (GAN). Assuming that the goal is to generate a paragraph of a user-defined topic and sentimental tendency, conventionally the whole network has to be…

Computation and Language · Computer Science 2020-06-23 Chenhan Yuan , Yi-chin Huang , Cheng-Hung Tsai

Neural vocoders based on the generative adversarial neural network (GAN) have been widely used due to their fast inference speed and lightweight networks while generating high-quality speech waveforms. Since the perceptually important…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-04 Taejun Bak , Junmo Lee , Hanbin Bae , Jinhyeok Yang , Jae-Sung Bae , Young-Sun Joo

We propose Universal MelGAN, a vocoder that synthesizes high-fidelity speech in multiple domains. To preserve sound quality when the MelGAN-based structure is trained with a dataset of hundreds of speakers, we added multi-resolution…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-05 Won Jang , Dan Lim , Jaesam Yoon

Generative adversarial networks (GANs) are challenging to train stably, and a promising remedy of injecting instance noise into the discriminator input has not been very effective in practice. In this paper, we propose Diffusion-GAN, a…

Machine Learning · Computer Science 2023-08-29 Zhendong Wang , Huangjie Zheng , Pengcheng He , Weizhu Chen , Mingyuan Zhou