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Primary goal of an emotional voice conversion (EVC) system is to convert the emotion of a given speech signal from one style to another style without modifying the linguistic content of the signal. Most of the state-of-the-art approaches…

Sound · Computer Science 2023-02-22 Nirmesh Shah , Mayank Kumar Singh , Naoya Takahashi , Naoyuki Onoe

In this paper, we propose a model using generative adversarial net (GAN) to generate realistic text. Instead of using standard GAN, we combine variational autoencoder (VAE) with generative adversarial net. The use of high-level latent…

Computation and Language · Computer Science 2018-11-08 Heng Wang , Zengchang Qin , Tao Wan

Endoscopic videos from multicentres often have different imaging conditions, e.g., color and illumination, which make the models trained on one domain usually fail to generalize well to another. Domain adaptation is one of the potential…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Jiawei Chen , Yuexiang Li , Kai Ma , Yefeng Zheng

Despite the rapid development of adversarial machine learning, most adversarial attack and defense researches mainly focus on the perturbation-based adversarial examples, which is constrained by the input images. In comparison with existing…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Xiaosen Wang , Kun He , Chuanbiao Song , Liwei Wang , John E. Hopcroft

We present a method for converting the voices between a set of speakers. Our method is based on training multiple autoencoder paths, where there is a single speaker-independent encoder and multiple speaker-dependent decoders. The…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-13 Orhan Ocal , Oguz H. Elibol , Gokce Keskin , Cory Stephenson , Anil Thomas , Kannan Ramchandran

Nowadays vast amounts of speech data are recorded from low-quality recorder devices such as smartphones, tablets, laptops, and medium-quality microphones. The objective of this research was to study the automatic generation of high-quality…

We propose the HumanGAN, a generative adversarial network (GAN) incorporating human perception as a discriminator. A basic GAN trains a generator to represent a real-data distribution by fooling the discriminator that distinguishes real and…

Sound · Computer Science 2019-09-26 Kazuki Fujii , Yuki Saito , Shinnosuke Takamichi , Yukino Baba , Hiroshi Saruwatari

Recent works have demonstrated the superiority of supervised Convolutional Neural Networks (CNNs) in learning hierarchical representations from time series data for successful classification. These methods require sufficiently large labeled…

Machine Learning · Computer Science 2023-09-12 Fanling Huang , Yangdong Deng

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

Non-parallel voice conversion (VC) is a technique for learning mappings between source and target speeches without using a parallel corpus. Recently, cycle-consistent adversarial network (CycleGAN)-VC and CycleGAN-VC2 have shown promising…

Sound · Computer Science 2020-10-23 Takuhiro Kaneko , Hirokazu Kameoka , Kou Tanaka , Nobukatsu Hojo

Recent approaches in text-to-speech (TTS) synthesis employ neural network strategies to vocode perceptually-informed spectrogram representations directly into listenable waveforms. Such vocoding procedures create a computational bottleneck…

Sound · Computer Science 2019-07-29 Paarth Neekhara , Chris Donahue , Miller Puckette , Shlomo Dubnov , Julian McAuley

Semantically guided conditional Generative Adversarial Networks (cGANs) have become a popular approach for face editing in recent years. However, most existing methods introduce semantic masks as direct conditional inputs to the generator…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Jiaze Sun , Binod Bhattarai , Zhixiang Chen , Tae-Kyun Kim

Generative Adversarial Network (GAN) is one of the state-of-the-art generative models for realistic image synthesis. While training and evaluating GAN becomes increasingly important, the current GAN research ecosystem does not provide…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Minguk Kang , Joonghyuk Shin , Jaesik Park

Producing a large annotated speech corpus for training ASR systems remains difficult for more than 95% of languages all over the world which are low-resourced, but collecting a relatively big unlabeled data set for such languages is more…

Computation and Language · Computer Science 2019-08-26 Kuan-Yu Chen , Che-Ping Tsai , Da-Rong Liu , Hung-Yi Lee , Lin-shan Lee

It was shown recently that a combination of ASR and TTS models yield highly competitive performance on standard voice conversion tasks such as the Voice Conversion Challenge 2020 (VCC2020). To obtain good performance both models require…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-01 Mingjie Chen , Yanghao Zhou , Heyan Huang , Thomas Hain

In this paper, we compare different audio signal representations, including the raw audio waveform and a variety of time-frequency representations, for the task of audio synthesis with Generative Adversarial Networks (GANs). We conduct the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-18 Javier Nistal , Stefan Lattner , Gaël Richard

In this paper, we integrate a simple non-parallel voice conversion (VC) system with a WaveNet (WN) vocoder and a proposed collapsed speech suppression technique. The effectiveness of WN as a vocoder for generating high-fidelity speech…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-08 Yi-Chiao Wu , Patrick Lumban Tobing , Kazuhiro Kobayashi , Tomoki Hayashi , Tomoki Toda

Face aging techniques have used generative adversarial networks (GANs) and style transfer learning to transform one's appearance to look younger/older. Identity is maintained by conditioning these generative networks on a learned vector…

Sound · Computer Science 2021-10-07 Justin Wilson , Sunyeong Park , Seunghye J. Wilson , Ming C. Lin

In this paper, we propose a generative model, Temporal Generative Adversarial Nets (TGAN), which can learn a semantic representation of unlabeled videos, and is capable of generating videos. Unlike existing Generative Adversarial Nets…

Machine Learning · Computer Science 2017-08-21 Masaki Saito , Eiichi Matsumoto , Shunta Saito

Generative adversarial networks (GANs) have great successes on synthesizing data. However, the existing GANs restrict the discriminator to be a binary classifier, and thus limit their learning capacity for tasks that need to synthesize…

Computation and Language · Computer Science 2018-04-17 Kevin Lin , Dianqi Li , Xiaodong He , Zhengyou Zhang , Ming-Ting Sun