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The design of codes for feedback-enabled communications has been a long-standing open problem. Recent research on non-linear, deep learning-based coding schemes have demonstrated significant improvements in communication reliability over…

Information Theory · Computer Science 2023-06-09 Junghoon Kim , Taejoon Kim , David Love , Christopher Brinton

Recent advances in speech-aware language models have coupled strong acoustic encoders with large language models, enabling systems that move beyond transcription to produce richer outputs. Among these, word-level timestamp prediction is…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-28 Xulin Fan , Vishal Sunder , Samuel Thomas , Mark Hasegawa-Johnson , Brian Kingsbury , George Saon

Most of the literature focuses on the development of the linear active noise control (ANC) techniques. However, ANC systems might have to deal with some nonlinear components and the performance of linear ANC techniques may degrade in this…

Machine Learning · Computer Science 2022-02-15 Lu Lu , Kai-Li Yin , Rodrigo C. de Lamare , Zongsheng Zheng , Yi Yu , Xiaomin Yang , Badong Chen

Neural vocoder using denoising diffusion probabilistic model (DDPM) has been improved by adaptation of the diffusion noise distribution to given acoustic features. In this study, we propose SpecGrad that adapts the diffusion noise so that…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-08 Yuma Koizumi , Heiga Zen , Kohei Yatabe , Nanxin Chen , Michiel Bacchiani

Recent developments using End-to-End Deep Learning models have been shown to have near or better performance than state of the art Recurrent Neural Networks (RNNs) on Automatic Speech Recognition tasks. These models tend to be lighter…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-27 Will Rieger

Current language models are usually trained using a self-supervised scheme, where the main focus is learning representations at the word or sentence level. However, there has been limited progress in generating useful discourse-level…

Computation and Language · Computer Science 2021-09-13 Vladimir Araujo , Andrés Villa , Marcelo Mendoza , Marie-Francine Moens , Alvaro Soto

We explore the possibility of leveraging accelerometer data to perform speech enhancement in very noisy conditions. Although it is possible to only partially reconstruct user's speech from the accelerometer, the latter provides a strong…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-02 Marco Tagliasacchi , Yunpeng Li , Karolis Misiunas , Dominik Roblek

Context plays an important role in human language understanding, thus it may also be useful for machines learning vector representations of language. In this paper, we explore an asymmetric encoder-decoder structure for unsupervised…

Neural and Evolutionary Computing · Computer Science 2018-06-04 Shuai Tang , Hailin Jin , Chen Fang , Zhaowen Wang , Virginia R. de Sa

We present a methodology that explores how sentence structure is reflected in neural representations of machine translation systems. We demonstrate our model-agnostic approach with the Transformer English-German translation model. We…

Computation and Language · Computer Science 2022-11-04 Gal Patel , Leshem Choshen , Omri Abend

This paper introduces a convolutional recurrent network with attention for speech command recognition. Attention models are powerful tools to improve performance on natural language, image captioning and speech tasks. The proposed model…

Audio and Speech Processing · Electrical Eng. & Systems 2018-08-28 Douglas Coimbra de Andrade , Sabato Leo , Martin Loesener Da Silva Viana , Christoph Bernkopf

This paper explores the use of deep neural networks for semiparametric estimation of economic models of maximizing behavior in production or discrete choice. We argue that certain deep networks are particularly well suited as a…

Econometrics · Economics 2022-04-06 Konrad Menzel

While machine learning techniques are traditionally resource intensive, we are currently witnessing an increased interest in hardware and energy efficient approaches. This need for resource-efficient machine learning is primarily driven by…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-23 Lukas Pfeifenberger , Matthias Zöhrer , Günther Schindler , Wolfgang Roth , Holger Fröning , Franz Pernkopf

This paper presents a transfer learning method in speech emotion recognition based on a Time-Delay Neural Network (TDNN) architecture. A major challenge in the current speech-based emotion detection research is data scarcity. The proposed…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Sitong Zhou , Homayoon Beigi

Statistical language models (LM) play a key role in Automatic Speech Recognition (ASR) systems used by conversational agents. These ASR systems should provide a high accuracy under a variety of speaking styles, domains, vocabulary and…

Computation and Language · Computer Science 2018-12-12 Anirudh Raju , Behnam Hedayatnia , Linda Liu , Ankur Gandhe , Chandra Khatri , Angeliki Metallinou , Anu Venkatesh , Ariya Rastrow

In speech enhancement, complex neural network has shown promising performance due to their effectiveness in processing complex-valued spectrum. Most of the recent speech enhancement approaches mainly focus on wide-band signal with a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-17 Shubo Lv , Yihui Fu , Mengtao Xing , Jiayao Sun , Lei Xie , Jun Huang , Yannan Wang , Tao Yu

Text classification is a fundamental task in natural language processing (NLP). Several recent studies show the success of deep learning on text processing. Convolutional neural network (CNN), as a popular deep learning model, has shown…

Computation and Language · Computer Science 2023-01-30 Ali Jarrahi , Ramin Mousa , Leila Safari

The goal of this paper is to develop state-of-the-art models for lip reading -- visual speech recognition. We develop three architectures and compare their accuracy and training times: (i) a recurrent model using LSTMs; (ii) a fully…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Triantafyllos Afouras , Joon Son Chung , Andrew Zisserman

Self-paced learning and hard example mining re-weight training instances to improve learning accuracy. This paper presents two improved alternatives based on lightweight estimates of sample uncertainty in stochastic gradient descent (SGD):…

Machine Learning · Statistics 2018-01-09 Haw-Shiuan Chang , Erik Learned-Miller , Andrew McCallum

The classification of sentences is very challenging, since sentences contain the limited contextual information. In this paper, we proposed an Attention-Gated Convolutional Neural Network (AGCNN) for sentence classification, which generates…

Computation and Language · Computer Science 2018-12-31 Yang Liu , Lixin Ji , Ruiyang Huang , Tuosiyu Ming , Chao Gao , Jianpeng Zhang

This paper investigates a self-adaptation method for speech enhancement using auxiliary speaker-aware features; we extract a speaker representation used for adaptation directly from the test utterance. Conventional studies of deep neural…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-17 Yuma Koizumi , Kohei Yatabe , Marc Delcroix , Yoshiki Masuyama , Daiki Takeuchi