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Research in auditory, visual, and audiovisual speech recognition (ASR, VSR, and AVSR, respectively) has traditionally been conducted independently. Even recent self-supervised studies addressing two or all three tasks simultaneously tend to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Alexandros Haliassos , Rodrigo Mira , Honglie Chen , Zoe Landgraf , Stavros Petridis , Maja Pantic

Automatic speech recognition (ASR) is a relevant area in multiple settings because it provides a natural communication mechanism between applications and users. ASRs often fail in environments that use language specific to particular…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-16 Rafael Viana-Cámara , Mario Campos-Soberanis , Diego Campos-Sobrino

Exploiting cross-lingual resources is an effective way to compensate for data scarcity of low resource languages. Recently, a novel multilingual model fusion technique has been proposed where a model is trained to learn cross-lingual…

Computation and Language · Computer Science 2023-06-16 Muhammad Umar Farooq , Thomas Hain

Transformer-based architectures have been the subject of research aimed at understanding their overparameterization and the non-uniform importance of their layers. Applying these approaches to Automatic Speech Recognition, we demonstrate…

Machine Learning · Computer Science 2022-02-07 Lillian Zhou , Dhruv Guliani , Andreas Kabel , Giovanni Motta , Françoise Beaufays

In this work, we explore a multimodal semi-supervised learning approach for punctuation prediction by learning representations from large amounts of unlabelled audio and text data. Conventional approaches in speech processing typically use…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-04 Monica Sunkara , Srikanth Ronanki , Dhanush Bekal , Sravan Bodapati , Katrin Kirchhoff

End-to-end approaches for automatic speech recognition (ASR) benefit from directly modeling the probability of the word sequence given the input audio stream in a single neural network. However, compared to conventional ASR systems, these…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-19 Ankur Gandhe , Ariya Rastrow

We present state-of-the-art automatic speech recognition (ASR) systems employing a standard hybrid DNN/HMM architecture compared to an attention-based encoder-decoder design for the LibriSpeech task. Detailed descriptions of the system…

Computation and Language · Computer Science 2019-10-02 Christoph Lüscher , Eugen Beck , Kazuki Irie , Markus Kitza , Wilfried Michel , Albert Zeyer , Ralf Schlüter , Hermann Ney

State-of-the-art hybrid automatic speech recognition (ASR) system exploits deep neural network (DNN) based acoustic models (AM) trained with Lattice Free-Maximum Mutual Information (LF-MMI) criterion and n-gram language models. The AMs…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-23 Amrutha Prasad , Petr Motlicek , Srikanth Madikeri

Automatic Speech Recognition (ASR) has advanced with Speech Foundation Models (SFMs), yet performance degrades on dysarthric speech due to variability and limited data. This study as part of the submission to the Speech Accessibility…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-28 Alexandre Ducorroy , Rachid Riad

Training automatic speech recognition (ASR) models increasingly relies on decentralized federated learning to ensure data privacy and accessibility, producing multiple local models that require effective merging. In hybrid ASR systems,…

Computation and Language · Computer Science 2026-03-06 Mengze Hong , Yi Gu , Di Jiang , Hanlin Gu , Chen Jason Zhang , Lu Wang , Zhiyang Su

Although Automatic Speech Recognition (ASR) systems have achieved human-like performance for a few languages, the majority of the world's languages do not have usable systems due to the lack of large speech datasets to train these models.…

Computation and Language · Computer Science 2022-02-28 Hemant Yadav , Sunayana Sitaram

Multilingual speech recognition has drawn significant attention as an effective way to compensate data scarcity for low-resource languages. End-to-end (e2e) modelling is preferred over conventional hybrid systems, mainly because of no…

Computation and Language · Computer Science 2022-07-08 Muhammad Umar Farooq , Darshan Adiga Haniya Narayana , Thomas Hain

We explore diverse representations of speech audio, and their effect on a performance of late fusion ensemble of E-Branchformer models, applied to Automatic Speech Recognition (ASR) task. Although it is generally known that ensemble methods…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-04 Marin Jezidžić , Matej Mihelčić

Multilingual automatic speech recognition (ASR) systems mostly benefit low resource languages but suffer degradation in performance across several languages relative to their monolingual counterparts. Limited studies have focused on…

Computation and Language · Computer Science 2022-07-08 Muhammad Umar Farooq , Thomas Hain

We propose a bottom-up framework for automatic speech recognition (ASR) in syllable-based languages by unifying language-universal articulatory attribute modeling with syllable-level prediction. The system first recognizes sequences or…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-11 Hao Yen , Pin-Jui Ku , Sabato Marco Siniscalchi , Chin-Hui Lee

An effective approach to the development of ASR systems for low-resource languages is to fine-tune an existing multilingual end-to-end model. When the original model has been trained on large quantities of data from many languages,…

Computation and Language · Computer Science 2025-06-06 Ondřej Klejch , William Lamb , Peter Bell

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

In the past few years, it has been shown that deep learning systems are highly vulnerable under attacks with adversarial examples. Neural-network-based automatic speech recognition (ASR) systems are no exception. Targeted and untargeted…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-07 Matías Pizarro , Dorothea Kolossa , Asja Fischer

Automatic speech recognition (ASR) models are typically designed to operate on a single input data type, e.g. a single or multi-channel audio streamed from a device. This design decision assumes the primary input data source does not change…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-30 Gokce Keskin , Minhua Wu , Brian King , Harish Mallidi , Yang Gao , Jasha Droppo , Ariya Rastrow , Roland Maas

Commonly used automatic speech recognition (ASR) systems can be classified into frame-synchronous and label-synchronous categories, based on whether the speech is decoded on a per-frame or per-label basis. Frame-synchronous systems, such as…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-05 Qiujia Li , Chao Zhang , Philip C. Woodland