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Speech synthesis is an important practical generative modeling problem that has seen great progress over the last few years, with likelihood-based autoregressive neural models now outperforming traditional concatenative systems. A downside…

音频与语音处理 · 电气工程与系统科学 2020-10-26 Alexey A. Gritsenko , Tim Salimans , Rianne van den Berg , Jasper Snoek , Nal Kalchbrenner

Estimation of probability density function from samples is one of the central problems in statistics and machine learning. Modern neural network-based models can learn high dimensional distributions but have problems with hyperparameter…

机器学习 · 计算机科学 2022-02-28 Georgii S. Novikov , Maxim E. Panov , Ivan V. Oseledets

Based on the observation that application phases exhibit varying degrees of sensitivity to noise (i.e., accuracy loss) in computation during execution, this paper explores how Dynamic Precision Scaling (DPS) can maximize power efficiency by…

分布式、并行与集群计算 · 计算机科学 2017-09-20 Serif Yesil , Ismail Akturk , Ulya R. Karpuzcu

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

An accurate treatment of electronic spectra in large systems with a technique such as time dependent density functional theory (TDDFT) is computationally challenging. Due to the Nyquist sampling theorem, direct real time simulations must be…

材料科学 · 物理学 2024-01-17 Matthias Kick , Ezra Alexander , Anton Beiersdorfer , Troy Van Voorhis

Brittle-ductile transition (BDT) is an important characteristic of amorphous (and semicrystalline) polymers. For a given strain rate, at temperatures above BDT, the polymers exhibit strain softening followed by yield and strain hardening,…

软凝聚态物质 · 物理学 2026-05-07 Valeriy V. Ginzburg , Oleg Gendelman , Alessio Zaccone

In this paper, we propose a text-to-speech (TTS)-driven data augmentation method for improving the quality of a non-autoregressive (AR) TTS system. Recently proposed non-AR models, such as FastSpeech 2, have successfully achieved fast…

音频与语音处理 · 电气工程与系统科学 2020-10-27 Min-Jae Hwang , Ryuichi Yamamoto , Eunwoo Song , Jae-Min Kim

This paper shows how to generate efficient tensor algebra code that compute on dynamic sparse tensors, which have sparsity structures that evolve over time. We propose a language for precisely specifying recursive, pointer-based data…

数学软件 · 计算机科学 2021-12-03 Stephen Chou , Saman Amarasinghe

We show that the way in which the Shannon entropy of sequences produced by an information source converges to the source's entropy rate can be used to monitor how an intelligent agent builds and effectively uses a predictive model of its…

适应与自组织系统 · 物理学 2007-05-23 James P. Crutchfield , David P. Feldman

We discuss the entropy of a circular polymer under a topological constraint. We call it the {\it topological entropy} of the polymer, in short. A ring polymer does not change its topology (knot type) under any thermal fluctuations. Through…

统计力学 · 物理学 2009-11-07 Miyuki K. Shimamura , Tetso Deguchi

Many recently published Text-to-Speech (TTS) systems produce audio close to real speech. However, TTS evaluation needs to be revisited to make sense of the results obtained with the new architectures, approaches and datasets. We propose…

音频与语音处理 · 电气工程与系统科学 2024-12-03 Christoph Minixhofer , Ondřej Klejch , Peter Bell

Automatic synthesis of hardware components from declarative specifications is an ambitious endeavor in computer aided design. Existing synthesis algorithms are often implemented with Binary Decision Diagrams (BDDs), inheriting their…

计算机科学中的逻辑 · 计算机科学 2013-11-15 Roderick Bloem , Robert Koenighofer , Martina Seidl

Temporal-Difference (TD) learning is a standard and very successful reinforcement learning approach, at the core of both algorithms that learn the value of a given policy, as well as algorithms which learn how to improve policies.…

机器学习 · 计算机科学 2020-05-19 Mingde Zhao , Sitao Luan , Ian Porada , Xiao-Wen Chang , Doina Precup

Deep Learning (DL) based methods for magnetic resonance (MR) image reconstruction have been shown to produce superior performance in recent years. However, these methods either only leverage under-sampled data or require a paired…

计算机视觉与模式识别 · 计算机科学 2021-12-17 Pengfei Guo , Vishal M. Patel

For the canonical two-state model of transcription, we derive exact analytic expressions for the entropy production rate of transcription at steady state, and assess detailed balance breaking in transcription. Our analytics allow us to…

亚细胞过程 · 定量生物学 2025-11-27 James Holehouse

Denoising Diffusion Probabilistic Models (DDPMs) are emerging in text-to-speech (TTS) synthesis because of their strong capability of generating high-fidelity samples. However, their iterative refinement process in high-dimensional data…

音频与语音处理 · 电气工程与系统科学 2023-01-02 Zehua Chen , Yihan Wu , Yichong Leng , Jiawei Chen , Haohe Liu , Xu Tan , Yang Cui , Ke Wang , Lei He , Sheng Zhao , Jiang Bian , Danilo Mandic

We consider parametric version of fixed-delay continuous-time Markov chains (or equivalently deterministic and stochastic Petri nets, DSPN) where fixed-delay transitions are specified by parameters, rather than concrete values. Our goal is…

性能 · 计算机科学 2016-04-18 Tomáš Brázdil , Ľuboš Korenčiak , Jan Krčál , Petr Novotný , Vojtěch Řehák

Estimating the rate of rare conformational changes in molecular systems is one of the goals of Molecular Dynamics simulations. In the past decades, a lot of progress has been done in data-based approaches towards this problem. In contrast,…

化学物理 · 物理学 2024-06-24 Alexander Sikorski , Amir Niknejad , Marcus Weber , Luca Donati

The rapid validation of newly predicted materials through autonomous synthesis requires real-time adaptive control methods that exploit physics knowledge, a capability that is lacking in most systems. Here, we demonstrate an approach to…

Network pruning can reduce the high computation cost of deep neural network (DNN) models. However, to maintain their accuracies, sparse models often carry randomly-distributed weights, leading to irregular computations. Consequently, sparse…

分布式、并行与集群计算 · 计算机科学 2020-09-01 Cong Guo , Bo Yang Hsueh , Jingwen Leng , Yuxian Qiu , Yue Guan , Zehuan Wang , Xiaoying Jia , Xipeng Li , Minyi Guo , Yuhao Zhu