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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

Automatic speech recognition (ASR) models with low-footprint are increasingly being deployed on edge devices for conversational agents, which enhances privacy. We study the problem of federated continual incremental learning for recurrent…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-22 Milind Rao , Gopinath Chennupati , Gautam Tiwari , Anit Kumar Sahu , Anirudh Raju , Ariya Rastrow , Jasha Droppo

The prevalence of automatic speech recognition (ASR) systems in spoken language applications has increased significantly in recent years. Notably, many African languages lack sufficient linguistic resources to support the robustness of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-27 Amina Mardiyyah Rufai , Afolabi Abeeb , Esther Oduntan , Tayo Arulogun , Oluwabukola Adegboro , Daniel Ajisafe

The interest in employing automatic speech recognition (ASR) in applications for reading practice has been growing in recent years. In a previous study, we presented an ASR-based Dutch reading tutor application that was developed to provide…

Computation and Language · Computer Science 2024-07-24 Yu Bai , Cristian Tejedor-Garcia , Ferdy Hubers , Catia Cucchiarini , Helmer Strik

We present automatic speech recognition (ASR) systems for Tamil and Kannada based on subword modeling to effectively handle unlimited vocabulary due to the highly agglutinative nature of the languages. We explore byte pair encoding (BPE),…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-28 Madhavaraj A , Bharathi Pilar , Ramakrishnan A G

Indigenous languages are a fundamental legacy in the development of human communication, embodying the unique identity and culture of local communities in America. The Second AmericasNLP (Americas Natural Language Processing) Competition…

Computation and Language · Computer Science 2024-09-24 Monica Romero , Sandra Gomez , Ivan G. Torre

Automatic speech recognition (ASR) systems have advanced significantly with models like Whisper, Conformer, and self-supervised frameworks such as Wav2vec 2.0 and HuBERT. However, developing robust ASR models for young children's speech…

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

Current leading mispronunciation detection and diagnosis (MDD) systems achieve promising performance via end-to-end phoneme recognition. One challenge of such end-to-end solutions is the scarcity of human-annotated phonemes on natural L2…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-13 Mu Yang , Kevin Hirschi , Stephen D. Looney , Okim Kang , John H. L. Hansen

ASR has achieved remarkable global progress, yet African low-resource languages remain rigorously underrepresented, producing barriers to digital inclusion across the continent with more than +2000 languages. This systematic literature…

Employing pre-trained language models (LM) to extract contextualized word representations has achieved state-of-the-art performance on various NLP tasks. However, applying this technique to noisy transcripts generated by automatic speech…

Computation and Language · Computer Science 2020-11-03 Chao-Wei Huang , Yun-Nung Chen

Proper nouns present a challenge for end-to-end (E2E) automatic speech recognition (ASR) systems in that a particular name may appear only rarely during training, and may have a pronunciation similar to that of a more common word. Unlike…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-21 Cal Peyser , Tara N. Sainath , Golan Pundak

For conversational large-vocabulary continuous speech recognition (LVCSR) tasks, up to about two thousand hours of audio is commonly used to train state of the art models. Collection of labeled conversational audio however, is prohibitively…

Computation and Language · Computer Science 2017-05-30 Shane Walker , Morten Pedersen , Iroro Orife , Jason Flaks

Despite recent availability of large transcribed Kinyarwanda speech data, achieving robust speech recognition for Kinyarwanda is still challenging. In this work, we show that using self-supervised pre-training, following a simple curriculum…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-05 Antoine Nzeyimana

Recent progress in speech recognition has relied on models trained on vast amounts of labeled data. However, classroom Automatic Speech Recognition (ASR) faces the real-world challenge of abundant weak transcripts paired with only a small…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-24 Ahmed Adel Attia , Dorottya Demszky , Jing Liu , Carol Espy-Wilson

An independent, automated method of decoding and transcribing oral speech is known as automatic speech recognition (ASR). A typical ASR system extracts feature from audio recordings or streams and run one or more algorithms to map the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-21 Tushar Talukder Showrav

Audio-based automatic speech recognition (ASR) degrades significantly in noisy environments and is particularly vulnerable to interfering speech, as the model cannot determine which speaker to transcribe. Audio-visual speech recognition…

Sound · Computer Science 2022-07-18 Bowen Shi , Wei-Ning Hsu , Abdelrahman Mohamed

This paper investigates the use of unsupervised text-to-speech synthesis (TTS) as a data augmentation method to improve accented speech recognition. TTS systems are trained with a small amount of accented speech training data and their…

Computation and Language · Computer Science 2024-07-08 Cong-Thanh Do , Shuhei Imai , Rama Doddipatla , Thomas Hain

Language identification greatly impacts the success of downstream tasks such as automatic speech recognition. Recently, self-supervised speech representations learned by wav2vec 2.0 have been shown to be very effective for a range of speech…

Computation and Language · Computer Science 2021-10-19 Andros Tjandra , Diptanu Gon Choudhury , Frank Zhang , Kritika Singh , Alexis Conneau , Alexei Baevski , Assaf Sela , Yatharth Saraf , Michael Auli

Natural language processing of conversational speech requires the availability of high-quality transcripts. In this paper, we express our skepticism towards the recent reports of very low Word Error Rates (WERs) achieved by modern Automatic…