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One of the obstacles in many-to-many voice conversion is the requirement of the parallel training data, which contain pairs of utterances with the same linguistic content spoken by different speakers. Since collecting such parallel data is…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-04 Keonnyeong Lee , In-Chul Yoo , Dongsuk Yook

In this paper, we present a novel technique for a non-parallel voice conversion (VC) with the use of cyclic variational autoencoder (CycleVAE)-based spectral modeling. In a variational autoencoder(VAE) framework, a latent space, usually…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-25 Patrick Lumban Tobing , Yi-Chiao Wu , Tomoki Hayashi , Kazuhiro Kobayashi , Tomoki Toda

Variational autoencoder-based voice conversion (VAE-VC) has the advantage of requiring only pairs of speeches and speaker labels for training. Unlike the majority of the research in VAE-VC which focuses on utilizing auxiliary losses or…

Sound · Computer Science 2021-12-07 Kei Akuzawa , Kotaro Onishi , Keisuke Takiguchi , Kohki Mametani , Koichiro Mori

This paper proposes a non-parallel many-to-many voice conversion (VC) method using a variant of the conditional variational autoencoder (VAE) called an auxiliary classifier VAE (ACVAE). The proposed method has three key features. First, it…

Machine Learning · Statistics 2020-10-13 Hirokazu Kameoka , Takuhiro Kaneko , Kou Tanaka , Nobukatsu Hojo

Voice conversion is a task of synthesizing an utterance with target speaker's voice while maintaining linguistic information of the source utterance. While a speaker can produce varying utterances from a single script with different…

Sound · Computer Science 2025-04-17 Soobin Suh , Dabi Ahn , Heewoong Park , Jonghun Park

In this paper we introduce a recurrent neural network (RNN) based variational autoencoder (VAE) model with a new constrained loss function that can generate more meaningful electroencephalography (EEG) features from raw EEG features to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-05 Gautam Krishna , Co Tran , Mason Carnahan , Ahmed Tewfik

Current state-of-the-art generative approaches frequently rely on a two-stage training procedure, where an autoencoder (often a VAE) first performs dimensionality reduction, followed by training a generative model on the learned latent…

Machine Learning · Statistics 2025-07-15 Gianluigi Silvestri , Luca Ambrogioni

We present an unsupervised approach that converts the input speech of any individual into audiovisual streams of potentially-infinitely many output speakers. Our approach builds on simple autoencoders that project out-of-sample data onto…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Kangle Deng , Aayush Bansal , Deva Ramanan

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

In this paper, we introduce the Variational Autoencoder (VAE) to an end-to-end speech synthesis model, to learn the latent representation of speaking styles in an unsupervised manner. The style representation learned through VAE shows good…

Computation and Language · Computer Science 2019-02-15 Ya-Jie Zhang , Shifeng Pan , Lei He , Zhen-Hua Ling

We propose a novel training scheme to optimize voice conversion network with a speaker identity loss function. The training scheme not only minimizes frame-level spectral loss, but also speaker identity loss. We introduce a cycle…

Sound · Computer Science 2020-11-18 Hongqiang Du , Xiaohai Tian , Lei Xie , Haizhou Li

Recently, a generative variational autoencoder (VAE) has been proposed for speech enhancement to model speech statistics. However, this approach only uses clean speech in the training phase, making the estimation particularly sensitive to…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-18 Huajian Fang , Guillaume Carbajal , Stefan Wermter , Timo Gerkmann

Non-parallel many-to-many voice conversion remains an interesting but challenging speech processing task. Many style-transfer-inspired methods such as generative adversarial networks (GANs) and variational autoencoders (VAEs) have been…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-17 Kaizhi Qian , Zeyu Jin , Mark Hasegawa-Johnson , Gautham J. Mysore

Recently, cycle-consistent adversarial network (Cycle-GAN) has been successfully applied to voice conversion to a different speaker without parallel data, although in those approaches an individual model is needed for each target speaker.…

Audio and Speech Processing · Electrical Eng. & Systems 2018-06-26 Ju-chieh Chou , Cheng-chieh Yeh , Hung-yi Lee , Lin-shan Lee

Variational auto-encoders (VAEs) are deep generative latent variable models that can be used for learning the distribution of complex data. VAEs have been successfully used to learn a probabilistic prior over speech signals, which is then…

Sound · Computer Science 2020-12-18 Mostafa Sadeghi , Simon Leglaive , Xavier Alameda-PIneda , Laurent Girin , Radu Horaud

Variational auto-encoder (VAE) is an effective neural network architecture to disentangle a speech utterance into speaker identity and linguistic content latent embeddings, then generate an utterance for a target speaker from that of a…

Sound · Computer Science 2022-08-23 Ziang Long , Yunling Zheng , Meng Yu , Jack Xin

This paper introduces FastVC, an end-to-end model for fast Voice Conversion (VC). The proposed model can convert speech of arbitrary length from multiple source speakers to multiple target speakers. FastVC is based on a conditional…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-07 Oriol Barbany Mayor , Milos Cernak

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

This paper presents a refinement framework of WaveNet vocoders for variational autoencoder (VAE) based voice conversion (VC), which reduces the quality distortion caused by the mismatch between the training data and testing data.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-09 Wen-Chin Huang , Yi-Chiao Wu , Hsin-Te Hwang , Patrick Lumban Tobing , Tomoki Hayashi , Kazuhiro Kobayashi , Tomoki Toda , Yu Tsao , Hsin-Min Wang

We introduce HybridVC, a voice conversion (VC) framework built upon a pre-trained conditional variational autoencoder (CVAE) that combines the strengths of a latent model with contrastive learning. HybridVC supports text and audio prompts,…

Sound · Computer Science 2024-09-26 Xinlei Niu , Jing Zhang , Charles Patrick Martin
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