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Automatic speech recognition (ASR) has progressed significantly in recent years due to the emergence of large-scale datasets and the self-supervised learning (SSL) paradigm. However, as its counterpart problem in the singing domain, the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-18 Longshen Ou , Xiangming Gu , Ye Wang

Despite extensions to speech inputs, effectively leveraging the rich knowledge and contextual understanding of large language models (LLMs) in automatic speech recognition (ASR) remains non-trivial, as the task primarily involves direct…

Computation and Language · Computer Science 2026-04-02 Keqi Deng , Ruchao Fan , Bo Ren , Yiming Wang , Jinyu Li

It's challenging to customize transducer-based automatic speech recognition (ASR) system with context information which is dynamic and unavailable during model training. In this work, we introduce a light-weight contextual spelling…

Computation and Language · Computer Science 2021-08-29 Xiaoqiang Wang , Yanqing Liu , Sheng Zhao , Jinyu Li

Accurate recognition of rare and new words remains a pressing problem for contextualized Automatic Speech Recognition (ASR) systems. Most context-biasing methods involve modification of the ASR model or the beam-search decoding algorithm,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-12 Andrei Andrusenko , Aleksandr Laptev , Vladimir Bataev , Vitaly Lavrukhin , Boris Ginsburg

Automatic Speech Recognition (ASR), as the assistance of speech communication between pilots and air-traffic controllers, can significantly reduce the complexity of the task and increase the reliability of transmitted information. ASR…

Computation and Language · Computer Science 2022-02-09 Iuliia Nigmatulina , Juan Zuluaga-Gomez , Amrutha Prasad , Seyyed Saeed Sarfjoo , Petr Motlicek

We present a control method for improved repetitive path following for a ground vehicle that is geared towards long-term operation where the operating conditions can change over time and are initially unknown. We use weighted Bayesian…

Robotics · Computer Science 2019-04-10 Christopher D. McKinnon , Angela P. Schoellig

Minimum Bayes-risk (MBR) decoding has recently gained renewed attention in text generation. MBR decoding considers texts sampled from a model as pseudo-references and selects the text with the highest similarity to the others. Therefore,…

Computation and Language · Computer Science 2024-04-02 Atsumoto Ohashi , Ukyo Honda , Tetsuro Morimura , Yuu Jinnai

In this paper, we present a Symbolic Reinforcement Learning (SRL) based architecture for safety control of Radio Access Network (RAN) applications. In particular, we provide a purely automated procedure in which a user can specify…

Artificial Intelligence · Computer Science 2022-04-26 Alexandros Nikou , Anusha Mujumdar , Vaishnavi Sundararajan , Marin Orlic , Aneta Vulgarakis Feljan

Recently, self-supervised learning (SSL) from unlabelled speech data has gained increased attention in the automatic speech recognition (ASR) community. Typical SSL methods include autoregressive predictive coding (APC), Wav2vec2.0, and…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-02 Ruchao Fan , Yunzheng Zhu , Jinhan Wang , Abeer Alwan

Reinforcement Learning (RL) algorithms have achieved remarkable performance in decision making and control tasks due to their ability to reason about long-term, cumulative reward using trial and error. However, during RL training, applying…

Robotics · Computer Science 2021-03-03 Yifei Simon Shao , Chao Chen , Shreyas Kousik , Ram Vasudevan

This paper addresses end-to-end automatic speech recognition (ASR) for long audio recordings such as lecture and conversational speeches. Most end-to-end ASR models are designed to recognize independent utterances, but contextual…

Computation and Language · Computer Science 2021-04-20 Takaaki Hori , Niko Moritz , Chiori Hori , Jonathan Le Roux

We present a training scheme for streaming automatic speech recognition (ASR) based on recurrent neural network transducers (RNN-T) which allows the encoder network to learn to exploit context audio from a stream, using segmented or…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-16 Andreas Schwarz , Ilya Sklyar , Simon Wiesler

Automatic speech recognition (ASR) systems, increasingly prevalent in education, healthcare, employment, and mobile technology, face significant challenges in inclusivity, particularly for the 80 million-strong global community of people…

Computation and Language · Computer Science 2024-05-13 Dena Mujtaba , Nihar R. Mahapatra , Megan Arney , J. Scott Yaruss , Hope Gerlach-Houck , Caryn Herring , Jia Bin

This paper introduces a novel two-stage active learning (AL) pipeline for automatic speech recognition (ASR), combining unsupervised and supervised AL methods. The first stage utilizes unsupervised AL by using x-vectors clustering for…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Ognjen Kundacina , Vladimir Vincan , Dragisa Miskovic

We study Bayesian persuasion when the receiver evaluates actions by reward-side Conditional Value-at-Risk (CVaR) rather than expected utility. CVaR preferences break the standard action-based direct-recommendation reduction: merging signals…

Computer Science and Game Theory · Computer Science 2026-05-13 Yujing Chen

RNN-T models are widely used in ASR, which rely on the RNN-T loss to achieve length alignment between input audio and target sequence. However, the implementation complexity and the alignment-based optimization target of RNN-T loss lead to…

Sound · Computer Science 2024-11-28 Tian-Hao Zhang , Dinghao Zhou , Guiping Zhong , Jiaming Zhou , Baoxiang Li

We propose a novel text-to-speech (TTS) framework centered around a neural transducer. Our approach divides the whole TTS pipeline into semantic-level sequence-to-sequence (seq2seq) modeling and fine-grained acoustic modeling stages,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-28 Minchan Kim , Myeonghun Jeong , Byoung Jin Choi , Semin Kim , Joun Yeop Lee , Nam Soo Kim

Attention-based neural networks have achieved state-of-the-art results on a wide range of tasks. Most such models use deterministic attention while stochastic attention is less explored due to the optimization difficulties or complicated…

Machine Learning · Computer Science 2021-06-10 Shujian Zhang , Xinjie Fan , Bo Chen , Mingyuan Zhou

Conversational automatic speech recognition (ASR) is a task to recognize conversational speech including multiple speakers. Unlike sentence-level ASR, conversational ASR can naturally take advantages from specific characteristics of…

Sound · Computer Science 2022-02-18 Kun Wei , Yike Zhang , Sining Sun , Lei Xie , Long Ma

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