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Accent plays a significant role in speech communication, influencing one's capability to understand as well as conveying a person's identity. This paper introduces a novel and efficient framework for accented Text-to-Speech (TTS) synthesis…

音频与语音处理 · 电气工程与系统科学 2024-10-01 Jan Melechovsky , Ambuj Mehrish , Berrak Sisman , Dorien Herremans

The CVAE is one of the most widely-used models in trajectory prediction for AD. It captures the interplay between a driving context and its ground-truth future into a probabilistic latent space and uses it to produce predictions. In this…

机器人学 · 计算机科学 2024-02-28 Faris Janjoš , Marcel Hallgarten , Anthony Knittel , Maxim Dolgov , Andreas Zell , J. Marius Zöllner

This paper presents an accented text-to-speech (TTS) synthesis framework with limited training data. We study two aspects concerning accent rendering: phonetic (phoneme difference) and prosodic (pitch pattern and phoneme duration)…

音频与语音处理 · 电气工程与系统科学 2023-05-09 Xuehao Zhou , Mingyang Zhang , Yi Zhou , Zhizheng Wu , Haizhou Li

In variational autoencoders, the prior on the latent codes $z$ is often treated as an afterthought, but the prior shapes the kind of latent representation that the model learns. If the goal is to learn a representation that is interpretable…

机器学习 · 计算机科学 2018-10-17 Sharad Vikram , Matthew D. Hoffman , Matthew J. Johnson

Modern neural text-to-speech (TTS) synthesis can generate speech that is indistinguishable from natural speech. However, the prosody of generated utterances often represents the average prosodic style of the database instead of having wide…

音频与语音处理 · 电气工程与系统科学 2020-09-16 Tuomo Raitio , Ramya Rasipuram , Dan Castellani

Text variational autoencoders (VAEs) are notorious for posterior collapse, a phenomenon where the model's decoder learns to ignore signals from the encoder. Because posterior collapse is known to be exacerbated by expressive decoders,…

计算与语言 · 计算机科学 2021-11-25 Seongmin Park , Jihwa Lee

Variational auto-encoders (VAEs) are widely used in natural language generation due to the regularization of the latent space. However, generating sentences from the continuous latent space does not explicitly model the syntactic…

计算与语言 · 计算机科学 2019-07-15 Yu Bao , Hao Zhou , Shujian Huang , Lei Li , Lili Mou , Olga Vechtomova , Xinyu Dai , Jiajun Chen

Expressive text-to-speech (TTS) aims to synthesize different speaking style speech according to human's demands. Nowadays, there are two common ways to control speaking styles: (1) Pre-defining a group of speaking style and using…

声音 · 计算机科学 2023-06-27 Dongchao Yang , Songxiang Liu , Rongjie Huang , Chao Weng , Helen Meng

Predicting future frames for a video sequence is a challenging generative modeling task. Promising approaches include probabilistic latent variable models such as the Variational Auto-Encoder. While VAEs can handle uncertainty and model…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Lluis Castrejon , Nicolas Ballas , Aaron Courville

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…

计算与语言 · 计算机科学 2018-11-02 Yijun Xiao , Tiancheng Zhao , William Yang Wang

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…

音频与语音处理 · 电气工程与系统科学 2021-05-18 Guillaume Carbajal , Julius Richter , Timo Gerkmann

In this thesis, we develop methods to enhance the interpretability of recent representation learning techniques in natural language processing (NLP) while accounting for the unavailability of annotated data. We choose to leverage…

计算与语言 · 计算机科学 2023-05-05 Ghazi Felhi

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…

音频与语音处理 · 电气工程与系统科学 2022-08-09 Daxin Tan , Guangyan Zhang , Tan Lee

Modern sequence to sequence neural TTS systems provide close to natural speech quality. Such systems usually comprise a network converting linguistic/phonetic features sequence to an acoustic features sequence, cascaded with a neural…

音频与语音处理 · 电气工程与系统科学 2019-09-26 Slava Shechtman , Alex Sorin

We explore the performance of latent variable models for conditional text generation in the context of neural machine translation (NMT). Similar to Zhang et al., we augment the encoder-decoder NMT paradigm by introducing a continuous latent…

计算与语言 · 计算机科学 2018-12-12 Artidoro Pagnoni , Kevin Liu , Shangyan Li

Variational Autoencoders (VAEs) represent the given data in a low-dimensional latent space, which is generally assumed to be Euclidean. This assumption naturally leads to the common choice of a standard Gaussian prior over continuous latent…

机器学习 · 计算机科学 2020-08-10 Dimitris Kalatzis , David Eklund , Georgios Arvanitidis , Søren Hauberg

Recent language models can generate interesting and grammatically correct text in story generation but often lack plot development and long-term coherence. This paper experiments with a latent vector planning approach based on a TD-VAE…

计算与语言 · 计算机科学 2021-09-15 David Wilmot , Frank Keller

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

Previous work has established that a person's demographics and speech style affect how well speech processing models perform for them. But where does this bias come from? In this work, we present the Speech Embedding Association Test…

计算与语言 · 计算机科学 2023-10-31 Isaac Slaughter , Craig Greenberg , Reva Schwartz , Aylin Caliskan

In this paper, we are interested in audio-visual speech separation given a single-channel audio recording as well as visual information (lips movements) associated with each speaker. We propose an unsupervised technique based on…

音频与语音处理 · 电气工程与系统科学 2021-09-01 Viet-Nhat Nguyen , Mostafa Sadeghi , Elisa Ricci , Xavier Alameda-Pineda