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相关论文: VAE-based Phoneme Alignment Using Gradient Anneali…

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Classical methods for model order selection often fail in scenarios with low SNR or few snapshots. Deep learning-based methods are promising alternatives for such challenging situations as they compensate lack of information in the…

信号处理 · 电气工程与系统科学 2023-12-07 Michael Baur , Franz Weißer , Benedikt Böck , Wolfgang Utschick

This paper proposes a multi-task learning network with phoneme-aware and channel-wise attentive learning strategies for text-dependent Speaker Verification (SV). In the proposed structure, the frame-level multi-task learning along with the…

声音 · 计算机科学 2021-06-28 Yan Liu , Zheng Li , Lin Li , Qingyang Hong

Dynamical variational autoencoders (DVAEs) are a class of deep generative models with latent variables, dedicated to model time series of high-dimensional data. DVAEs can be considered as extensions of the variational autoencoder (VAE) that…

声音 · 计算机科学 2022-10-04 Xiaoyu Bie , Simon Leglaive , Xavier Alameda-Pineda , Laurent Girin

Recently, audio-visual speech enhancement has been tackled in the unsupervised settings based on variational auto-encoders (VAEs), where during training only clean data is used to train a generative model for speech, which at test time is…

音频与语音处理 · 电气工程与系统科学 2021-02-09 Mostafa Sadeghi , Xavier Alameda-Pineda

This paper proposes VARA-TTS, a non-autoregressive (non-AR) text-to-speech (TTS) model using a very deep Variational Autoencoder (VDVAE) with Residual Attention mechanism, which refines the textual-to-acoustic alignment layer-wisely.…

声音 · 计算机科学 2021-02-15 Peng Liu , Yuewen Cao , Songxiang Liu , Na Hu , Guangzhi Li , Chao Weng , Dan Su

We propose a new unsupervised model for mapping a variable-duration speech segment to a fixed-dimensional representation. The resulting acoustic word embeddings can form the basis of search, discovery, and indexing systems for low- and…

音频与语音处理 · 电气工程与系统科学 2020-12-07 Puyuan Peng , Herman Kamper , Karen Livescu

In this paper, an unsupervised deep learning framework based on dual-path model-driven variational auto-encoders (VAE) is proposed for angle-of-arrivals (AoAs) and channel estimation in massive MIMO systems. Specifically designed for…

信号处理 · 电气工程与系统科学 2023-05-31 Zhiheng Guo , Yuanzhang Xiao , Xiang Chen

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…

机器学习 · 统计学 2020-10-13 Hirokazu Kameoka , Takuhiro Kaneko , Kou Tanaka , Nobukatsu Hojo

Cross-modal retrieval is to utilize one modality as a query to retrieve data from another modality, which has become a popular topic in information retrieval, machine learning, and database. How to effectively measure the similarity between…

信息检索 · 计算机科学 2021-12-07 Jiwei Zhang , Yi Yu , Suhua Tang , Jianming Wu , Wei Li

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…

计算与语言 · 计算机科学 2016-11-28 Weidi Xu , Haoze Sun , Chao Deng , Ying Tan

While mel-spectrograms have been widely utilized as intermediate representations in zero-shot text-to-speech (TTS), their inherent redundancy leads to inefficiency in learning text-speech alignment. Compact VAE-based latent representations…

音频与语音处理 · 电气工程与系统科学 2025-12-02 Zhikang Niu , Shujie Hu , Jeongsoo Choi , Yushen Chen , Peining Chen , Pengcheng Zhu , Yunting Yang , Bowen Zhang , Jian Zhao , Chunhui Wang , Xie Chen

We investigate the potential of adaptive blind equalizers based on variational inference for carrier recovery in optical communications. These equalizers are based on a low-complexity approximation of maximum likelihood channel estimation.…

信号处理 · 电气工程与系统科学 2022-09-16 Vincent Lauinger , Fred Buchali , Laurent Schmalen

Self-supervised learning (SSL) has recently emerged as a key strategy for building foundation models in remote sensing, where the scarcity of annotated data limits the applicability of fully supervised approaches. In this work, we introduce…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Vittorio Bernuzzi , Leonardo Rossi , Tomaso Fontanini , Massimo Bertozzi , Andrea Prati

Deep speaker embedding has achieved state-of-the-art performance in speaker recognition. A potential problem of these embedded vectors (called `x-vectors') are not Gaussian, causing performance degradation with the famous PLDA back-end…

声音 · 计算机科学 2019-04-09 Yang Zhang , Lantian Li , Dong Wang

We propose a novel autoregressive modeling approach for speech synthesis, combining a variational autoencoder (VAE) with a multi-modal latent space and an autoregressive model that uses Gaussian Mixture Models (GMM) as the conditional…

机器学习 · 计算机科学 2025-02-14 Weiwei Lin , Chenghan He

The electrocardiogram (ECG) is an inexpensive and widely available tool for cardiovascular assessment. Despite its standardized format and small file size, the high complexity and inter-individual variability of ECG signals (typically a…

机器学习 · 计算机科学 2024-10-31 Christopher J. Harvey , Sumaiya Shomaji , Zijun Yao , Amit Noheria

A new method for learning variational autoencoders (VAEs) is developed, based on Stein variational gradient descent. A key advantage of this approach is that one need not make parametric assumptions about the form of the encoder…

机器学习 · 计算机科学 2017-11-20 Yunchen Pu , Zhe Gan , Ricardo Henao , Chunyuan Li , Shaobo Han , Lawrence Carin

The language model (LM) approach based on acoustic and linguistic prompts, such as VALL-E, has achieved remarkable progress in the field of zero-shot audio generation. However, existing methods still have some limitations: 1) repetitions,…

计算与语言 · 计算机科学 2024-01-17 Yakun Song , Zhuo Chen , Xiaofei Wang , Ziyang Ma , Xie Chen

Variational AutoEncoders (VAEs) provide a means to generate representational latent embeddings. Previous research has highlighted the benefits of achieving representations that are disentangled, particularly for downstream tasks. However,…

计算机视觉与模式识别 · 计算机科学 2019-11-18 Matthew J. Vowels , Necati Cihan Camgoz , Richard Bowden

Variational autoencoders (VAEs) combine latent variables with amortized variational inference, whose optimization usually converges into a trivial local optimum termed posterior collapse, especially in text modeling. By tracking the…

计算与语言 · 计算机科学 2020-04-21 Chen Wu , Prince Zizhuang Wang , William Yang Wang