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Despite rapid progress in the voice style transfer (VST) field, recent zero-shot VST systems still lack the ability to transfer the voice style of a novel speaker. In this paper, we present HierVST, a hierarchical adaptive end-to-end…

Sound · Computer Science 2023-08-01 Sang-Hoon Lee , Ha-Yeong Choi , Hyung-Seok Oh , Seong-Whan Lee

We introduce an improved variational autoencoder (VAE) for text modeling with topic information explicitly modeled as a Dirichlet latent variable. By providing the proposed model topic awareness, it is more superior at reconstructing input…

Computation and Language · Computer Science 2018-11-02 Yijun Xiao , Tiancheng Zhao , William Yang Wang

Audio Word2Vec offers vector representations of fixed dimensionality for variable-length audio segments using Sequence-to-sequence Autoencoder (SA). These vector representations are shown to describe the sequential phonetic structures of…

Computation and Language · Computer Science 2018-02-20 Chia-Hao Shen , Janet Y. Sung , Hung-Yi Lee

Aspect sentiment triplet extraction (ASTE) aims to extract triplets composed of aspect terms, opinion terms, and sentiment polarities from given sentences. The table tagging method is a popular approach to addressing this task, which…

Computation and Language · Computer Science 2025-05-09 Kun Peng , Chaodong Tong , Cong Cao , Hao Peng , Qian Li , Guanlin Wu , Lei Jiang , Yanbing Liu , Philip S. Yu

Style is an integral component of a sentence indicated by the choice of words a person makes. Different people have different ways of expressing themselves, however, they adjust their speaking and writing style to a social context, an…

Computation and Language · Computer Science 2021-10-01 Martina Toshevska , Sonja Gievska

Although semi-supervised variational autoencoder (SemiVAE) works in image classification task, it fails in text classification task if using vanilla LSTM as its decoder. From a perspective of reinforcement learning, it is verified that the…

Computation and Language · Computer Science 2016-11-28 Weidi Xu , Haoze Sun , Chao Deng , Ying Tan

The expressive quality of synthesized speech for audiobooks is limited by generalized model architecture and unbalanced style distribution in the training data. To address these issues, in this paper, we propose a self-supervised style…

Sound · Computer Science 2023-12-20 Xueyuan Chen , Xi Wang , Shaofei Zhang , Lei He , Zhiyong Wu , Xixin Wu , Helen Meng

Text style transfer aims to alter the style (e.g., sentiment) of a sentence while preserving its content. A common approach is to map a given sentence to content representation that is free of style, and the content representation is fed to…

Computation and Language · Computer Science 2021-08-03 Dongkyu Lee , Zhiliang Tian , Lanqing Xue , Nevin L. Zhang

Continuous speech representations based on Variational Autoencoders (VAEs) have emerged as a promising alternative to traditional spectrogram or discrete token based features for speech generation and reconstruction. Recent research has…

Sound · Computer Science 2026-05-26 Changhao Cheng , Wei Wang , Wangyou Zhang , Dongya Jia , Jian Wu , Zhuo Chen , Yanmin Qian

Recently, to mitigate the confusion between different languages in code-switching (CS) automatic speech recognition (ASR), the conditionally factorized models, such as the language-aware encoder (LAE), explicitly disregard the contextual…

Sound · Computer Science 2023-10-10 Guodong Ma , Wenxuan Wang , Yuke Li , Yuting Yang , Binbin Du , Haoran Fu

Unsupervised text style transfer aims to transfer the underlying style of text but keep its main content unchanged without parallel data. Most existing methods typically follow two steps: first separating the content from the original…

Computation and Language · Computer Science 2019-05-27 Fuli Luo , Peng Li , Jie Zhou , Pengcheng Yang , Baobao Chang , Zhifang Sui , Xu Sun

We propose a novel scheme to use the Levenshtein Transformer to perform the task of word-level quality estimation. A Levenshtein Transformer is a natural fit for this task: trained to perform decoding in an iterative manner, a Levenshtein…

Computation and Language · Computer Science 2021-09-17 Shuoyang Ding , Marcin Junczys-Dowmunt , Matt Post , Philipp Koehn

Explicit duration modeling is a key to achieving robust and efficient alignment in text-to-speech synthesis (TTS). We propose a new TTS framework using explicit duration modeling that incorporates duration as a discrete latent variable to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-21 Yusuke Yasuda , Xin Wang , Junichi Yamagishi

Variational auto-encoders (VAEs) are a powerful approach to unsupervised learning. They enable scalable approximate posterior inference in latent-variable models using variational inference (VI). A VAE posits a variational family…

Machine Learning · Computer Science 2022-06-08 Samarth Sinha , Adji B. Dieng

Text-style transfer aims to convert text given in one domain into another by paraphrasing the sentence or substituting the keywords without altering the content. By necessity, state-of-the-art methods have evolved to accommodate nonparallel…

Computation and Language · Computer Science 2021-06-22 Xing Han , Jessica Lundin

Paradoxically, a Variational Autoencoder (VAE) could be pushed in two opposite directions, utilizing powerful decoder model for generating realistic images but collapsing the learned representation, or increasing regularization coefficient…

Machine Learning · Computer Science 2022-03-30 Trung Ngo , Najwa Laabid , Ville Hautamäki , Merja Heinäniemi

Recent research tries to extend image restoration capabilities from human perception to machine perception, thereby enhancing the performance of high-level vision tasks in degraded environments. These methods, primarily based on supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Jiawei Wu , Zhi Jin

Unsupervised text embedding methods, such as Skip-gram and Paragraph Vector, have been attracting increasing attention due to their simplicity, scalability, and effectiveness. However, comparing to sophisticated deep learning architectures…

Computation and Language · Computer Science 2015-08-04 Jian Tang , Meng Qu , Qiaozhu Mei

Expressive neural text-to-speech (TTS) systems incorporate a style encoder to learn a latent embedding as the style information. However, this embedding process may encode redundant textual information. This phenomenon is called content…

Sound · Computer Science 2021-08-05 Xudong Dai , Cheng Gong , Longbiao Wang , Kaili Zhang

Objective: This study aims to establish a generalized transfer-learning framework for boosting the performance of steady-state visual evoked potential (SSVEP)-based brain-computer interfaces (BCIs) by leveraging cross-domain data…

Machine Learning · Computer Science 2021-02-11 Kuan-Jung Chiang , Chun-Shu Wei , Masaki Nakanishi , Tzyy-Ping Jung