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Recently, variational autoencoders have been successfully used to learn a probabilistic prior over speech signals, which is then used to perform speech enhancement. However, variational autoencoders are trained on clean speech only, which…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-18 Guillaume Carbajal , Julius Richter , Timo Gerkmann

Current text to speech (TTS) systems usually leverage a cascaded acoustic model and vocoder pipeline with mel-spectrograms as the intermediate representations, which suffer from two limitations: 1) the acoustic model and vocoder are…

Sound · Computer Science 2022-07-12 Yanqing Liu , Ruiqing Xue , Lei He , Xu Tan , Sheng Zhao

Emotional Voice Conversion (EVC) aims to convert the emotional style of a source speech signal to a target style while preserving its content and speaker identity information. Previous emotional conversion studies do not disentangle…

Sound · Computer Science 2021-07-20 Xiangheng He , Junjie Chen , Georgios Rizos , Björn W. Schuller

For fine-grained generation and recognition tasks such as minimally-supervised text-to-speech (TTS), voice conversion (VC), and automatic speech recognition (ASR), the intermediate representations extracted from speech should serve as a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-19 Chunyu Qiang , Hao Li , Yixin Tian , Ruibo Fu , Tao Wang , Longbiao Wang , Jianwu Dang

In speech technologies, speaker's voice representation is used in many applications such as speech recognition, voice conversion, speech synthesis and, obviously, user authentication. Modern vocal representations of the speaker are based on…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-17 Paul-Gauthier Noé , Mohammad Mohammadamini , Driss Matrouf , Titouan Parcollet , Andreas Nautsch , Jean-François Bonastre

In this paper, we propose a new approach to pathological speech synthesis. Instead of using healthy speech as a source, we customise an existing pathological speech sample to a new speaker's voice characteristics. This approach alleviates…

This paper describes a method based on a sequence-to-sequence learning (Seq2Seq) with attention and context preservation mechanism for voice conversion (VC) tasks. Seq2Seq has been outstanding at numerous tasks involving sequence modeling…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-13 Kou Tanaka , Hirokazu Kameoka , Takuhiro Kaneko , Nobukatsu Hojo

Traditional studies on voice conversion (VC) have made progress with parallel training data and known speakers. Good voice conversion quality is obtained by exploring better alignment modules or expressive mapping functions. In this study,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-01 Jiachen Lian , Chunlei Zhang , Dong Yu

Existing privacy-preserving speech representation learning methods target a single application domain. In this paper, we present a novel framework to anonymize utterance-level speech embeddings generated by pre-trained encoders and show its…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-27 Minh Tran , Mohammad Soleymani

Voice conversion (VC) has made progress in feature disentanglement, but it is still difficult to balance timbre and content information. This paper evaluates the pre-trained model features commonly used in voice conversion, and proposes an…

Sound · Computer Science 2025-04-09 Wenyu Wang , Yiquan Zhou , Jihua Zhu , Hongwu Ding , Jiacheng Xu , Shihao Li

Disentangling content and speaking style information is essential for zero-shot non-parallel voice conversion (VC). Our previous study investigated a novel framework with disentangled sequential variational autoencoder (DSVAE) as the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-22 Jiachen Lian , Chunlei Zhang , Gopala Krishna Anumanchipalli , Dong Yu

In this paper, we present a method for adversarial decomposition of text representation. This method can be used to decompose a representation of an input sentence into several independent vectors, each of them responsible for a specific…

Computation and Language · Computer Science 2019-04-11 Alexey Romanov , Anna Rumshisky , Anna Rogers , David Donahue

Generative face video coding (GFVC) is vital for modern applications like video conferencing, yet existing methods primarily focus on video motion while neglecting the significant bitrate contribution of audio. Despite the well-established…

Image and Video Processing · Electrical Eng. & Systems 2025-12-18 Youmin Xu , Mengxi Guo , Shijie Zhao , Weiqi Li , Junlin Li , Li Zhang , Jian Zhang

Video-based dialog task is a challenging multimodal learning task that has received increasing attention over the past few years with state-of-the-art obtaining new performance records. This progress is largely powered by the adaptation of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Huda Alamri , Anthony Bilic , Michael Hu , Apoorva Beedu , Irfan Essa

Children speech recognition is indispensable but challenging due to the diversity of children's speech. In this paper, we propose a filter-based discriminative autoencoder for acoustic modeling. To filter out the influence of various…

Computation and Language · Computer Science 2022-05-24 Chiang-Lin Tai , Hung-Shin Lee , Yu Tsao , Hsin-Min Wang

Building cross-lingual voice conversion (VC) systems for multiple speakers and multiple languages has been a challenging task for a long time. This paper describes a parallel non-autoregressive network to achieve bilingual and code-switched…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-23 Yaogen Yang , Haozhe Zhang , Xiaoyi Qin , Shanshan Liang , Huahua Cui , Mingyang Xu , Ming Li

In this paper we propose modifications to the neural network framework, AutoVC for the task of singing technique conversion. This includes utilising a pretrained singing technique encoder which extracts technique information, upon which a…

Sound · Computer Science 2021-11-18 Brendan O'Connor , Simon Dixon , George Fazekas

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

Embedding acoustic information into fixed length representations is of interest for a whole range of applications in speech and audio technology. Two novel unsupervised approaches to generate acoustic embeddings by modelling of acoustic…

Computation and Language · Computer Science 2021-02-08 Yanpei Shi , Thomas Hain

This study aims at designing an environment-aware text-to-speech (TTS) system that can generate speech to suit specific acoustic environments. It is also motivated by the desire to leverage massive data of speech audio from heterogeneous…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-09 Daxin Tan , Guangyan Zhang , Tan Lee