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In this paper, we propose an incremental learning method for end-to-end Automatic Speech Recognition (ASR) which enables an ASR system to perform well on new tasks while maintaining the performance on its originally learned ones. To…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-17 Li Fu , Xiaoxiao Li , Libo Zi , Zhengchen Zhang , Youzheng Wu , Xiaodong He , Bowen Zhou

Although end-to-end (E2E) trainable automatic speech recognition (ASR) has shown great success by jointly learning acoustic and linguistic information, it still suffers from the effect of domain shifts, thus limiting potential applications.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-28 Keqi Deng , Philip C. Woodland

End-to-end (E2E) Automatic Speech Recognition (ASR) models are trained using paired audio-text samples that are expensive to obtain, since high-quality ground-truth data requires human annotators. Voice search applications, such as digital…

Computation and Language · Computer Science 2025-06-09 Christophe Van Gysel , Maggie Wu , Lyan Verwimp , Caglar Tirkaz , Marco Bertola , Zhihong Lei , Youssef Oualil

End-to-end models have gradually become the preferred option for automatic speech recognition (ASR) applications. During the training of end-to-end ASR, data augmentation is a quite effective technique for regularizing the neural networks.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-27 Jianwei Sun , Zhiyuan Tang , Hengxin Yin , Wei Wang , Xi Zhao , Shuaijiang Zhao , Xiaoning Lei , Wei Zou , Xiangang Li

We present a new end-to-end architecture for automatic speech recognition (ASR) that can be trained using \emph{symbolic} input in addition to the traditional acoustic input. This architecture utilizes two separate encoders: one for…

Computation and Language · Computer Science 2018-06-19 Adithya Renduchintala , Shuoyang Ding , Matthew Wiesner , Shinji Watanabe

It has been shown that the intelligibility of noisy speech can be improved by speech enhancement algorithms. However, speech enhancement has not been established as an effective frontend for robust automatic speech recognition (ASR) in…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-22 Yufeng Yang , Ashutosh Pandey , DeLiang Wang

Transformer-based end-to-end (E2E) automatic speech recognition (ASR) systems have recently gained wide popularity, and are shown to outperform E2E models based on recurrent structures on a number of ASR tasks. However, like other E2E…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-30 Mohan Li , Catalin Zorila , Rama Doddipatla

Neural network models for audio tasks, such as automatic speech recognition (ASR) and acoustic scene classification (ASC), are susceptible to noise contamination for real-life applications. To improve audio quality, an enhancement module,…

Voice Assistants such as Alexa, Siri, and Google Assistant typically use a two-stage Spoken Language Understanding pipeline; first, an Automatic Speech Recognition (ASR) component to process customer speech and generate text transcriptions,…

Computation and Language · Computer Science 2020-12-17 Subendhu Rongali , Beiye Liu , Liwei Cai , Konstantine Arkoudas , Chengwei Su , Wael Hamza

This work presents our end-to-end (E2E) automatic speech recognition (ASR) model targetting at robust speech recognition, called Integraded speech Recognition with enhanced speech Input for Self-supervised learning representation (IRIS).…

Sound · Computer Science 2022-04-04 Xuankai Chang , Takashi Maekaku , Yuya Fujita , Shinji Watanabe

Automatic speech recognition (ASR) systems often falter while processing stuttering-related disfluencies -- such as involuntary blocks and word repetitions -- yielding inaccurate transcripts. A critical barrier to progress is the scarcity…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-03 Dena Mujtaba , Nihar R. Mahapatra , Megan Arney , J. Scott Yaruss , Caryn Herring , Jia Bin

Speech recognition applications cover a range of different audio and text distributions, with different speaking styles, background noise, transcription punctuation and character casing. However, many speech recognition systems require…

Computation and Language · Computer Science 2022-10-25 Sanchit Gandhi , Patrick von Platen , Alexander M. Rush

End-to-end automatic speech recognition systems represent the state of the art, but they rely on thousands of hours of manually annotated speech for training, as well as heavyweight computation for inference. Of course, this impedes…

Computation and Language · Computer Science 2022-11-22 Raphael Tang , Karun Kumar , Gefei Yang , Akshat Pandey , Yajie Mao , Vladislav Belyaev , Madhuri Emmadi , Craig Murray , Ferhan Ture , Jimmy Lin

Joint punctuated and normalized automatic speech recognition (ASR) aims at outputing transcripts with and without punctuation and casing. This task remains challenging due to the lack of paired speech and punctuated text data in most ASR…

Computation and Language · Computer Science 2025-07-22 Can Cui , Imran Ahamad Sheikh , Mostafa Sadeghi , Emmanuel Vincent

End-to-end (E2E) automatic speech recognition (ASR) systems directly map acoustics to words using a unified model. Previous works mostly focus on E2E training a single model which integrates acoustic and language model into a whole.…

Computation and Language · Computer Science 2018-03-06 Zhehuai Chen , Qi Liu , Hao Li , Kai Yu

In this paper, we explore various approaches for semi supervised learning in an end to end automatic speech recognition (ASR) framework. The first step in our approach involves training a seed model on the limited amount of labelled data.…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-15 Subhadeep Dey , Petr Motlicek , Trung Bui , Franck Dernoncourt

This paper describes speech enhancement for realtime automatic speech recognition (ASR) in real environments. A standard approach to this task is to use neural beamforming that can work efficiently in an online manner. It estimates the…

Dysarthric speech reconstruction (DSR) typically employs a cascaded system that combines automatic speech recognition (ASR) and sentence-level text-to-speech (TTS) to convert dysarthric speech into normally-prosodied speech. However,…

Sound · Computer Science 2026-03-03 Minghui Wu , Haitao Tang , Jiahuan Fan , Ruizhi Liao , Yanyong Zhang

Automatic recognition of dysarthric speech remains a highly challenging task to date. Neuro-motor conditions and co-occurring physical disabilities create difficulty in large-scale data collection for ASR system development. Adapting SSL…

Sound · Computer Science 2024-01-02 Huimeng Wang , Zengrui Jin , Mengzhe Geng , Shujie Hu , Guinan Li , Tianzi Wang , Haoning Xu , Xunying Liu

As end-to-end automatic speech recognition (ASR) models reach promising performance, various downstream tasks rely on good confidence estimators for these systems. Recent research has shown that model-based confidence estimators have a…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-03 Qiujia Li , Yu Zhang , David Qiu , Yanzhang He , Liangliang Cao , Philip C. Woodland