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Data augmentation (DA) is ubiquitously used in training of Automatic Speech Recognition (ASR) models. DA offers increased data variability, robustness and generalization against different acoustic distortions. Recently, personalization of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-20 Pablo Peso Parada , Spyros Fontalis , Md Asif Jalal , Karthikeyan Saravanan , Anastasios Drosou , Mete Ozay , Gil Ho Lee , Jungin Lee , Seokyeong Jung

Automatic speech recognition (ASR) systems play a key role in many commercial products including voice assistants. Typically, they require large amounts of clean speech data for training which gives an undue advantage to large organizations…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-21 Bhavya Ghai , Buvana Ramanan , Klaus Mueller

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

Despite recent advancements in deep learning technologies, Child Speech Recognition remains a challenging task. Current Automatic Speech Recognition (ASR) models require substantial amounts of annotated data for training, which is scarce.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-14 Rishabh Jain , Andrei Barcovschi , Mariam Yiwere , Dan Bigioi , Peter Corcoran , Horia Cucu

This paper describes AaltoASR's speech recognition system for the INTERSPEECH 2020 shared task on Automatic Speech Recognition (ASR) for non-native children's speech. The task is to recognize non-native speech from children of various age…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-01 Hemant Kathania , Mittul Singh , Tamás Grósz , Mikko Kurimo

While automatic speech recognition (ASR) greatly benefits from data augmentation, the augmentation recipes themselves tend to be heuristic. In this paper, we address one of the heuristic approach associated with balancing the right amount…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-17 Vishwanath Pratap Singh , Federico Malato , Ville Hautamaki , Md. Sahidullah , Tomi Kinnunen

The performance of automatic speech recognition (ASR) systems has advanced substantially in recent years, particularly for languages for which a large amount of transcribed speech is available. Unfortunately, for low-resource languages,…

Computation and Language · Computer Science 2023-05-22 Martijn Bartelds , Nay San , Bradley McDonnell , Dan Jurafsky , Martijn Wieling

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

This paper introduces three self-contained data augmentation methods for low-resource Automatic Speech Recognition (ASR). Our techniques first generate novel text--using gloss-based replacement, random replacement, or an LLM-based…

Computation and Language · Computer Science 2026-01-21 Katsumi Ibaraki , David Chiang

This study investigates the impact of integrating a dataset of disordered speech recordings ($\sim$1,000 hours) into the fine-tuning of a near state-of-the-art ASR baseline system. Contrary to what one might expect, despite the data being…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-22 Jimmy Tobin , Katrin Tomanek , Subhashini Venugopalan

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

Automatic speech recognition (ASR) needs to be robust to speaker differences. Voice Conversion (VC) modifies speaker characteristics of input speech. This is an attractive feature for ASR data augmentation. In this paper, we demonstrate…

We examine the effect of data augmentation for training of language models for speech recognition. We compare augmentation based on global error statistics with one based on per-word unigram statistics of ASR errors and observe that it is…

Computation and Language · Computer Science 2020-11-13 Karel Beneš , Lukáš Burget

In this work, we present the first study addressing automatic speech recognition (ASR) for children in an online learning setting. This is particularly important for both child-centric applications and the privacy protection of minors,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-07 Edem Ahadzi , Vishwanath Pratap Singh , Tomi Kinnunen , Ville Hautamaki

Data augmentation is a widely adopted technique utilized to improve the robustness of automatic speech recognition (ASR). Employing a fixed data augmentation strategy for all training data is a common practice. However, it is important to…

Sound · Computer Science 2024-12-03 Hongxuan Lu , Biao Li

Conventional end-to-end automatic speech recognition (ASR) systems rely on paired speech-text data for domain adaptation. Recent LLM-based ASR architectures connect a speech encoder to a large language model via a projection module,…

Building Automatic Speech Recognition (ASR) systems for code-switched speech has recently gained renewed attention due to the widespread use of speech technologies in multilingual communities worldwide. End-to-end ASR systems are a natural…

Computation and Language · Computer Science 2020-10-13 Yash Sharma , Basil Abraham , Karan Taneja , Preethi Jyothi

Automatic lyrics transcription (ALT), which can be regarded as automatic speech recognition (ASR) on singing voice, is an interesting and practical topic in academia and industry. ALT has not been well developed mainly due to the dearth of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-20 Chen Zhang , Jiaxing Yu , LuChin Chang , Xu Tan , Jiawei Chen , Tao Qin , Kejun Zhang

Children's automatic speech recognition (ASR) is always difficult due to, in part, the data scarcity problem, especially for kindergarten-aged kids. When data are scarce, the model might overfit to the training data, and hence good starting…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-28 Yunzheng Zhu , Ruchao Fan , Abeer Alwan

Reliable transcription of child-adult conversations in clinical settings is crucial for diagnosing developmental disorders like Autism. Recent advances in deep learning and availability of large scale transcribed data has led to development…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-15 Aditya Ashvin , Rimita Lahiri , Aditya Kommineni , Somer Bishop , Catherine Lord , Sudarsana Reddy Kadiri , Shrikanth Narayanan