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Human lip-reading is a challenging task. It requires not only knowledge of underlying language but also visual clues to predict spoken words. Experts need certain level of experience and understanding of visual expressions learning to…

Computer Vision and Pattern Recognition · Computer Science 2018-02-16 M Faisal , Sanaullah Manzoor

Multilingual ASR technology simplifies model training and deployment, but its accuracy is known to depend on the availability of language information at runtime. Since language identity is seldom known beforehand in real-world scenarios, it…

The choice of modeling units is critical to automatic speech recognition (ASR) tasks. Conventional ASR systems typically choose context-dependent states (CD-states) or context-dependent phonemes (CD-phonemes) as their modeling units.…

Audio and Speech Processing · Electrical Eng. & Systems 2018-05-22 Shiyu Zhou , Linhao Dong , Shuang Xu , Bo Xu

Deep learning approaches have been widely used in Automatic Speech Recognition (ASR) and they have achieved a significant accuracy improvement. Especially, Convolutional Neural Networks (CNNs) have been revisited in ASR recently. However,…

Computation and Language · Computer Science 2017-02-28 Yisen Wang , Xuejiao Deng , Songbai Pu , Zhiheng Huang

Recent methods in speech and language technology pretrain very LARGE models which are fine-tuned for specific tasks. However, the benefits of such LARGE models are often limited to a few resource rich languages of the world. In this work,…

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

We present a state-of-the-art end-to-end Automatic Speech Recognition (ASR) model. We learn to listen and write characters with a joint Connectionist Temporal Classification (CTC) and attention-based encoder-decoder network. The encoder is…

Computation and Language · Computer Science 2017-06-12 Takaaki Hori , Shinji Watanabe , Yu Zhang , William Chan

Audio-LLM introduces audio modality into a large language model (LLM) to enable a powerful LLM to recognize, understand, and generate audio. However, during speech recognition in noisy environments, we observed the presence of illusions and…

Sound · Computer Science 2024-08-20 Yangze Li , Xiong Wang , Songjun Cao , Yike Zhang , Long Ma , Lei Xie

Code-switching (CS) refers to the phenomenon that languages switch within a speech signal and leads to language confusion for automatic speech recognition (ASR). This paper aims to address language confusion for improving CS-ASR from two…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-27 Hexin Liu , Haihua Xu , Leibny Paola Garcia , Andy W. H. Khong , Yi He , Sanjeev Khudanpur

The digitization of agricultural advisory services in India requires robust Automatic Speech Recognition (ASR) systems capable of accurately transcribing domain-specific terminology in multiple Indian languages. This paper presents a…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-09 Chandrashekar M S , Vineet Singh , Lakshmi Pedapudi

This paper considers the impact of automatic segmentation on the fully-automatic, semi-supervised training of automatic speech recognition (ASR) systems for five-lingual code-switched (CS) speech. Four automatic segmentation techniques were…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-15 N. Wilkinson , A. Biswas , E. Yılmaz , F. de Wet , E. van der Westhuizen , T. R. Niesler

We explore the performance of several state-of-the-art automatic speech recognition (ASR) models on a large-scale Arabic speech dataset, the SADA (Saudi Audio Dataset for Arabic), which contains 668 hours of high-quality audio from Saudi…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-19 Branislav Gerazov , Marcello Politi , Sébastien Bratières

With computers getting more and more powerful and integrated in our daily lives, the focus is increasingly shifting towards more human-friendly interfaces, making Automatic Speech Recognition (ASR) a central player as the ideal means of…

Sound · Computer Science 2021-01-25 Dennis Pinto , Jose-María Arnau , Antonio González

Form about four decades human beings have been dreaming of an intelligent machine which can master the natural speech. In its simplest form, this machine should consist of two subsystems, namely automatic speech recognition (ASR) and speech…

Sound · Computer Science 2013-05-08 Urmila Shrawankar , V. M. Thakare

Automatic speech recognition (ASR) technologies have been significantly advanced in the past few decades. However, recognition of overlapped speech remains a highly challenging task to date. To this end, multi-channel microphone array data…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-31 Jianwei Yu , Shi-Xiong Zhang , Bo Wu , Shansong Liu , Shoukang Hu , Mengzhe Geng , Xunying Liu , Helen Meng , Dong Yu

Automatic Speech Recognition (ASR) systems have been gaining popularity in the recent years for their widespread usage in smart phones and speakers. Building ASR systems for task-specific scenarios is subject to the availability of…

Computation and Language · Computer Science 2021-10-22 Saurav Jha

In this paper, we propose a novel approach to address the challenges of printed Urdu text recognition using high-resolution, multi-scale semantic feature extraction. Our proposed UTRNet architecture, a hybrid CNN-RNN model, demonstrates…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Abdur Rahman , Arjun Ghosh , Chetan Arora

India is the second largest English-speaking country in the world with a speaker base of roughly 130 million. Thus, it is imperative that automatic speech recognition (ASR) systems for English should be evaluated on Indian accents.…

In the realm of spoken language understanding (SLU), numerous natural language understanding (NLU) methodologies have been adapted by supplying large language models (LLMs) with transcribed speech instead of conventional written text. In…

Large-scale multilingual ASR models like Whisper excel in high-resource settings but face challenges in low-resource scenarios, such as rare languages and code-switching (CS), due to computational costs and catastrophic forgetting. We…

Computation and Language · Computer Science 2025-09-29 Hongli Yang , Yizhou Peng , Hao Huang , Sheng Li