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Automatic Speech Recognition (ASR) is increasingly used in applications involving child speech, such as language learning and literacy acquisition. However, the effectiveness of such applications is limited by high ASR error rates. The…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-23 Gus Lathouwers , Lingyun Gao , Catia Cucchiarini , Helmer Strik

Recent research using pre-trained transformer models suggests that just 10 minutes of transcribed speech may be enough to fine-tune such a model for automatic speech recognition (ASR) -- at least if we can also leverage vast amounts of text…

Computation and Language · Computer Science 2023-02-13 Nay San , Martijn Bartelds , Blaine Billings , Ella de Falco , Hendi Feriza , Johan Safri , Wawan Sahrozi , Ben Foley , Bradley McDonnell , Dan Jurafsky

Neural sequence-to-sequence systems deliver state-of-the-art performance for automatic speech recognition (ASR). When using appropriate modeling units, e.g., byte-pair encoded characters, these systems are in principal open vocabulary…

Computation and Language · Computer Science 2021-07-07 Christian Huber , Juan Hussain , Sebastian Stüker , Alexander Waibel

Recent advances in automatic speech recognition (ASR) and speech enhancement have led to a widespread assumption that improving perceptual audio quality should directly benefit recognition accuracy. In this work, we rigorously examine…

Sound · Computer Science 2026-03-06 Akif Islam , Raufun Nahar , Md. Ekramul Hamid

Despite the fact that variation is a fundamental characteristic of natural language, automatic speech recognition systems perform systematically worse on non-standardised and marginalised language varieties. In this paper we use the lens of…

Computation and Language · Computer Science 2022-02-28 Nina Markl , Stephen Joseph McNulty

The majority of deep learning-based speech enhancement methods require paired clean-noisy speech data. Collecting such data at scale in real-world conditions is infeasible, which has led the community to rely on synthetically generated…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-30 Dominik Klement , Matthew Maciejewski , Sanjeev Khudanpur , Jan Černocký , Lukáš Burget

Automatic Speech Recognition (ASR) for adults' speeches has made significant progress by employing deep neural network (DNN) models recently, but improvement in children's speech is still unsatisfactory due to children's speech's distinct…

Computation and Language · Computer Science 2024-06-27 Dancheng Liu , Jinjun Xiong

While current state-of-the-art Automatic Speech Recognition (ASR) systems achieve high accuracy on typical speech, they suffer from significant performance degradation on disordered speech and other atypical speech patterns. Personalization…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-21 Katrin Tomanek , Françoise Beaufays , Julie Cattiau , Angad Chandorkar , Khe Chai Sim

Environmental noises and reverberation have a detrimental effect on the performance of automatic speech recognition (ASR) systems. Multi-condition training of neural network-based acoustic models is used to deal with this problem, but it…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-03 Desh Raj , Jesus Villalba , Daniel Povey , Sanjeev Khudanpur

Automatic Speech Recognition (ASR) plays a crucial role in human-machine interaction and serves as an interface for a wide range of applications. Traditionally, ASR performance has been evaluated using Word Error Rate (WER), a metric that…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-23 Sujith Pulikodan , Sahapthan K , Prasanta Kumar Ghosh , Visruth Sanka , Nihar Desai

Sequence-to-Sequence (S2S) models recently started to show state-of-the-art performance for automatic speech recognition (ASR). With these large and deep models overfitting remains the largest problem, outweighing performance improvements…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-04 Thai-Son Nguyen , Sebastian Stueker , Jan Niehues , Alex Waibel

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

Computation and Language · Computer Science 2021-08-30 Iuliia Nigmatulina , Rudolf Braun , Juan Zuluaga-Gomez , Petr Motlicek

Data augmentation is a ubiquitous technique used to provide robustness to automatic speech recognition (ASR) training. However, even as so much of the ASR training process has become automated and more "end-to-end", the data augmentation…

We propose an on-the-fly data augmentation method for automatic speech recognition (ASR) that uses alignment information to generate effective training samples. Our method, called Aligned Data Augmentation (ADA) for ASR, replaces…

Computation and Language · Computer Science 2023-06-13 Tsz Kin Lam , Mayumi Ohta , Shigehiko Schamoni , Stefan Riezler

Automatic Speech Recognition (ASR) systems have achieved remarkable performance on widely used benchmarks such as LibriSpeech and Fleurs. However, these benchmarks do not adequately reflect the complexities of real-world conversational…

Computation and Language · Computer Science 2024-09-19 Gaurav Maheshwari , Dmitry Ivanov , Théo Johannet , Kevin El Haddad

Automatic Speech Recognition (ASR) systems suffer considerably when source speech is corrupted with noise or room impulse responses (RIR). Typically, speech enhancement is applied in both mismatched and matched scenario training and…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-26 Shashi Kumar , Shakti P. Rath , Abhishek Pandey

The challenge of fairness arises when Automatic Speech Recognition (ASR) systems do not perform equally well for all sub-groups of the population. In the past few years there have been many improvements in overall speech recognition…

Sound · Computer Science 2023-06-12 Irina-Elena Veliche , Pascale Fung

Automatic Speech Recognition (ASR) has increased in popularity in recent years. The evolution of processor and storage technologies has enabled more advanced ASR mechanisms, fueling the development of virtual assistants such as Amazon…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-04 Sebastian Baunsgaard , Sebastian B. Wrede , Pınar Tozun

The goal of this paper is to simulate the benefits of jointly applying active learning (AL) and semi-supervised training (SST) in a new speech recognition application. Our data selection approach relies on confidence filtering, and its…

Computation and Language · Computer Science 2019-03-08 Thomas Drugman , Janne Pylkkonen , Reinhard Kneser

Existing research suggests that automatic speech recognition (ASR) models can benefit from additional contexts (e.g., contact lists, user specified vocabulary). Rare words and named entities can be better recognized with contexts. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-16 Ruizhe Huang , Mahsa Yarmohammadi , Sanjeev Khudanpur , Daniel Povey