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Speech-based virtual assistants, such as Amazon Alexa, Google assistant, and Apple Siri, typically convert users' audio signals to text data through automatic speech recognition (ASR) and feed the text to downstream dialog models for…

Computation and Language · Computer Science 2020-06-11 Longshaokan Wang , Maryam Fazel-Zarandi , Aditya Tiwari , Spyros Matsoukas , Lazaros Polymenakos

Automatic speech recognition (ASR) research has achieved impressive performance in recent years and has significant potential for enabling access for people with dysarthria (PwD) in augmentative and alternative communication (AAC) and home…

Sound · Computer Science 2024-06-14 Wing-Zin Leung , Mattias Cross , Anton Ragni , Stefan Goetze

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

In this work, we propose a new automatic speech recognition (ASR) system based on feature learning and an end-to-end training procedure for air traffic control (ATC) systems. The proposed model integrates the feature learning block,…

Sound · Computer Science 2021-11-05 Peng Fan , Dongyue Guo , Yi Lin , Bo Yang , Jianwei Zhang

Humans are adept at leveraging visual cues from lip movements for recognizing speech in adverse listening conditions. Audio-Visual Speech Recognition (AVSR) models follow similar approach to achieve robust speech recognition in noisy…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-24 Maxime Burchi , Krishna C. Puvvada , Jagadeesh Balam , Boris Ginsburg , Radu Timofte

This paper presents Conformer-1, an end-to-end Automatic Speech Recognition (ASR) model trained on an extensive dataset of 570k hours of speech audio data, 91% of which was acquired from publicly available sources. To achieve this, we…

Automatic speech recognition (ASR) has reached a level of accuracy in recent years, that even outperforms humans in transcribing speech to text. Nevertheless, all current ASR approaches show a certain weakness against ambient noise. To…

Sound · Computer Science 2023-12-22 Christopher Simic , Tobias Bocklet

With the widespread application of automatic speech recognition (ASR) systems, their vulnerability to adversarial attacks has been extensively studied. However, most existing adversarial examples are generated on specific individual models,…

Sound · Computer Science 2025-03-26 Weifei Jin , Junjie Su , Hejia Wang , Yulin Ye , Jie Hao

In real-world applications, automatic speech recognition (ASR) systems must handle overlapping speech from multiple speakers and recognize rare words like technical terms. Traditional methods address multi-talker ASR and contextual biasing…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-17 Jiajun He , Naoki Sawada , Koichi Miyazaki , Tomoki Toda

This paper presents a novel optimization framework for automatic speech recognition (ASR) with the aim of reducing hallucinations produced by an ASR model. The proposed framework optimizes the ASR model to maximize an expected factual…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-27 Naoyuki Kanda , Takuya Yoshioka , Yang Liu

Multilingual speech processing with self-supervised or supervised pre-trained Speech Foundation Models (SFM) has achieved strong performance on tasks like Language Identification (LID) and Automatic Speech Recognition (ASR). However, these…

Sound · Computer Science 2025-06-04 Qingzheng Wang , Jiancheng Sun , Yifan Peng , Shinji Watanabe

In this work, we introduce a simple yet efficient post-processing model for automatic speech recognition (ASR). Our model has Transformer-based encoder-decoder architecture which "translates" ASR model output into grammatically and…

Computation and Language · Computer Science 2019-10-24 Oleksii Hrinchuk , Mariya Popova , Boris Ginsburg

This paper presents a method for selecting appropriate synthetic speech samples from a given large text-to-speech (TTS) dataset as supplementary training data for an automatic speech recognition (ASR) model. We trained a neural network,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-05 Shuo Liu , Leda Sarı , Chunyang Wu , Gil Keren , Yuan Shangguan , Jay Mahadeokar , Ozlem Kalinli

Noise-robust automatic speech recognition (ASR) has been commonly addressed by applying speech enhancement (SE) at the waveform level before recognition. However, speech-level enhancement does not always translate into consistent…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-09 Da-Hee Yang , Joon-Hyuk Chang

Compared to hybrid automatic speech recognition (ASR) systems that use a modular architecture in which each component can be independently adapted to a new domain, recent end-to-end (E2E) ASR system are harder to customize due to their…

Computation and Language · Computer Science 2022-03-01 Samuel Thomas , Brian Kingsbury , George Saon , Hong-Kwang J. Kuo

This paper presents an audio visual automatic speech recognition (AV-ASR) system using a Transformer-based architecture. We particularly focus on the scene context provided by the visual information, to ground the ASR. We extract…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-01 Georgios Paraskevopoulos , Srinivas Parthasarathy , Aparna Khare , Shiva Sundaram

Audio-Visual Speech Recognition (AVSR) integrates acoustic and visual information to enhance robustness in adverse acoustic conditions. Recent advances in Large Language Models (LLMs) have yielded competitive automatic speech recognition…

Sound · Computer Science 2026-03-05 Fei Su , Cancan Li , Juan Liu , Wei Ju , Hongbin Suo , Ming Li

In the design of customer relationship management (CRM) systems, accurately identifying customer types and offering personalized services are key to enhancing customer satisfaction and loyalty. However, this process faces the challenge of…

Sound · Computer Science 2025-07-24 Zhongsheng Wang , Sijie Wang , Jia Wang , Yung-I Liang , Yuxi Zhang , Jiamou Liu

Despite remarkable achievements, automatic speech recognition (ASR) in low-resource scenarios still faces two challenges: high-quality data scarcity and high computational demands. This paper proposes EThai-ASR, the first to apply large…

Sound · Computer Science 2025-05-29 Mingchen Shao , Xinfa Zhu , Chengyou Wang , Bingshen Mu , Hai Li , Ying Yan , Junhui Liu , Danming Xie , Lei Xie

This paper describes noisy speech recognition for an augmented reality headset that helps verbal communication within real multiparty conversational environments. A major approach that has actively been studied in simulated environments is…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-18 Yicheng Du , Aditya Arie Nugraha , Kouhei Sekiguchi , Yoshiaki Bando , Mathieu Fontaine , Kazuyoshi Yoshii