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We propose a novel approach to generative adversarial networks (GANs) in which the standard i.i.d. Gaussian latent prior is replaced or hybridized with a quantum-correlated prior derived from measurements of a 16-qubit entangling circuit.…

Quantum Physics · Physics 2025-07-03 Hongni Jin , Kenneth M. Merz

This paper tackles GAN optimization and stability issues in the context of voice conversion. First, to simplify the conversion task, we propose to use spectral envelopes as inputs. Second we propose two adversarial weight training…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-14 Rafael Ferro , Nicolas Obin , Axel Roebel

In this paper, we propose NU-GAN, a new method for resampling audio from lower to higher sampling rates (upsampling). Audio upsampling is an important problem since productionizing generative speech technology requires operating at high…

Sound · Computer Science 2020-10-23 Rithesh Kumar , Kundan Kumar , Vicki Anand , Yoshua Bengio , Aaron Courville

We propose Unbalanced GANs, which pre-trains the generator of the generative adversarial network (GAN) using variational autoencoder (VAE). We guarantee the stable training of the generator by preventing the faster convergence of the…

Machine Learning · Computer Science 2020-02-07 Hyungrok Ham , Tae Joon Jun , Daeyoung Kim

Advancing defensive mechanisms against adversarial attacks in generative models is a critical research topic in machine learning. Our study focuses on a specific type of generative models - Variational Auto-Encoders (VAEs). Contrary to…

In this paper, we present a vocoder-free framework for audio super-resolution that employs a flow matching generative model to capture the conditional distribution of complex-valued spectral coefficients. Unlike conventional two-stage…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-06 Woongjib Choi , Sangmin Lee , Hyungseob Lim , Hong-Goo Kang

Audio-visual speech enhancement aims to extract clean speech from a noisy environment by leveraging not only the audio itself but also the target speaker's lip movements. This approach has been shown to yield improvements over audio-only…

Improving speech system performance in noisy environments remains a challenging task, and speech enhancement (SE) is one of the effective techniques to solve the problem. Motivated by the promising results of generative adversarial networks…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-05 Daniel Michelsanti , Zheng-Hua Tan

Perturbative GAN, which replaces convolution layers of existing convolutional GANs (DCGAN, WGAN-GP, BIGGAN, etc.) with perturbation layers that adds a fixed noise mask, is proposed. Compared with the convolu-tional GANs, the number of…

Machine Learning · Computer Science 2019-02-06 Yuma Kishi , Tsutomu Ikegami , Shin-ichi O'uchi , Ryousei Takano , Wakana Nogami , Tomohiro Kudoh

Embodied agents, in the form of virtual agents or social robots, are rapidly becoming more widespread. In human-human interactions, humans use nonverbal behaviours to convey their attitudes, feelings, and intentions. Therefore, this…

Artificial Intelligence · Computer Science 2026-04-30 Carson Yu Liu , Gelareh Mohammadi , Yang Song , Wafa Johal

Generative adversarial networks (GANs) have emerged as a powerful paradigm for producing high-fidelity data samples, yet their performance is constrained by the quality of latent representations, typically sampled from classical noise…

Quantum Physics · Physics 2025-08-19 Kun Ming Goh

Unconditional video generation is a challenging task that involves synthesizing high-quality videos that are both coherent and of extended duration. To address this challenge, researchers have used pretrained StyleGAN image generators for…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Yuhan Wang , Liming Jiang , Chen Change Loy

Voice conversion (VC) refers to transforming the speaker characteristics of an utterance without altering its linguistic contents. Many works on voice conversion require to have parallel training data that is highly expensive to acquire.…

Sound · Computer Science 2020-02-18 Shindong Lee , BongGu Ko , Keonnyeong Lee , In-Chul Yoo , Dongsuk Yook

Speech enhancement at extremely low signal-to-noise ratio (SNR) condition is a very challenging problem and rarely investigated in previous works. This paper proposes a robust speech enhancement approach (UNetGAN) based on U-Net and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-30 Xiang Hao , Xiangdong Su , Zhiyu Wang , Hui Zhang , Batushiren

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

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

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

Preserving the linguistic content of input speech is essential during voice conversion (VC). The star generative adversarial network-based VC method (StarGAN-VC) is a recently developed method that allows non-parallel many-to-many VC.…

Sound · Computer Science 2023-01-18 Shoki Sakamoto , Akira Taniguchi , Tadahiro Taniguchi , Hirokazu Kameoka

Technological developments have produced methods that can generate educational videos from input text or sound. Recently, the use of deep learning techniques for image and video generation has been widely explored, particularly in…

Multimedia · Computer Science 2026-01-27 M. E. ElAlami , S. M. Khater , M. El. R. Rehan

Deep learning has revolutionised synthetic speech quality. However, it has thus far delivered little value to the speech science community. The new methods do not meet the controllability demands that practitioners in this area require…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-03 Gustavo Teodoro Döhler Beck , Ulme Wennberg , Zofia Malisz , Gustav Eje Henter