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Despite recent advances, Automatic Speech Recognition (ASR) systems are still far from perfect. Typical errors include acronyms, named entities, and domain-specific special words for which little or no labeled data is available. To address…

Computation and Language · Computer Science 2025-01-30 Christian Huber , Alexander Waibel

Automatic speech recognition (ASR) is a key area in computational linguistics, focusing on developing technologies that enable computers to convert spoken language into text. This field combines linguistics and machine learning. ASR models,…

Computation and Language · Computer Science 2024-06-27 Anish Saha , A. G. Ramakrishnan

Automatic Speech Recognition (ASR) has undergone a profound transformation over the past decade, driven by advances in deep learning. This survey provides a comprehensive overview of the modern era of ASR, charting its evolution from…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-16 Md. Nayeem , Md Shamse Tabrej , Kabbojit Jit Deb , Shaonti Goswami , Md. Azizul Hakim

In this paper we introduce various techniques to improve the performance of electroencephalography (EEG) features based continuous speech recognition (CSR) systems. A connectionist temporal classification (CTC) based automatic speech…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-25 Gautam Krishna , Co Tran , Mason Carnahan , Yan Han , Ahmed H Tewfik

The attention-based encoder-decoder (AED) speech recognition model has been widely successful in recent years. However, the joint optimization of acoustic model and language model in end-to-end manner has created challenges for text…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-17 Shaoshi Ling , Guoli Ye , Rui Zhao , Yifan Gong

Automatic Speech Recognition (ASR) systems must be robust to the myriad types of noises present in real-world environments including environmental noise, room impulse response, special effects as well as attacks by malicious actors…

Sound · Computer Science 2024-09-26 Muhammad A. Shah , Bhiksha Raj

In speech evaluation, an Automatic Speech Recognition (ASR) model often computes time boundaries and phoneme posteriors for input features. However, limited data for ASR training hinders expansion of speech evaluation to low-resource…

Computation and Language · Computer Science 2026-03-27 Jeremy H. M. Wong , Nancy F. Chen

In this work, we introduce a simple yet efficient post-processing model for automatic speech recognition (ASR). Our model has Transformer-based encoder-decoder architecture which "translates" ASR model output into grammatically and…

Computation and Language · Computer Science 2019-10-24 Oleksii Hrinchuk , Mariya Popova , Boris Ginsburg

In recent years, significant progress has been made in deep model-based automatic speech recognition (ASR), leading to its widespread deployment in the real world. At the same time, adversarial attacks against deep ASR systems are highly…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-04 Christian Heider Nielsen , Zheng-Hua Tan

The performance of automatic speech recognition systems(ASR) degrades in the presence of noisy speech. This paper demonstrates that using electroencephalography (EEG) can help automatic speech recognition systems overcome performance loss…

Machine Learning · Computer Science 2019-03-05 Gautam Krishna , Co Tran , Jianguo Yu , Ahmed H Tewfik

Automatic Speech Recognition (ASR) systems have attained unprecedented performance with large speech models pre-trained based on self-supervised speech representation learning. However, these pre-trained speech models suffer from…

Computation and Language · Computer Science 2023-05-29 Eunseop Yoon , Hee Suk Yoon , John Harvill , Mark Hasegawa-Johnson , Chang D. Yoo

Automatic Speech Recognition (ASR) is an integral component of modern technology, powering applications such as voice-activated assistants, transcription services, and accessibility tools. Yet ASR systems continue to struggle with the…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-20 Mohammad Reza Peyghan , Saman Soleimani Roudi , Saeedreza Zouashkiani , Sajjad Amini , Fatemeh Rajabi , Shahrokh Ghaemmaghami

Automatic speech recognition (ASR) systems are primarily evaluated on transcription accuracy. However, in some use cases such as subtitling, verbatim transcription would reduce output readability given limited screen size and reading time.…

Computation and Language · Computer Science 2020-05-26 Danni Liu , Jan Niehues , Gerasimos Spanakis

This paper presents an accented text-to-speech (TTS) synthesis framework with limited training data. We study two aspects concerning accent rendering: phonetic (phoneme difference) and prosodic (pitch pattern and phoneme duration)…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-09 Xuehao Zhou , Mingyang Zhang , Yi Zhou , Zhizheng Wu , Haizhou Li

Contextual biasing improves automatic speech recognition (ASR) by integrating external knowledge, such as user-specific phrases or entities, during decoding. In this work, we use an attention-based biasing decoder to produce scores for…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-29 Wanting Huang , Weiran Wang

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

We present our experiments in training robust to noise an end-to-end automatic speech recognition (ASR) model using intensive data augmentation. We explore the efficacy of fine-tuning a pre-trained model to improve noise robustness, and we…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-27 Jagadeesh Balam , Jocelyn Huang , Vitaly Lavrukhin , Slyne Deng , Somshubra Majumdar , Boris Ginsburg

Automatic Speech Recognition (ASR) models often struggle with the phonetic, phonological, and morphosyntactic features found in African American English (AAE). This study focuses on two key AAE variables: Consonant Cluster Reduction (CCR)…

Computation and Language · Computer Science 2025-08-26 Hamid Mojarad , Kevin Tang

Discretized representations of speech signals are efficient alternatives to continuous features for various speech applications, including automatic speech recognition (ASR) and speech language models. However, these representations, such…

Sound · Computer Science 2026-02-05 Takanori Ashihara , Shota Horiguchi , Kohei Matsuura , Tsubasa Ochiai , Marc Delcroix

This paper proposes an efficient attempt to noisy speech emotion recognition (NSER). Conventional NSER approaches have proven effective in mitigating the impact of artificial noise sources, such as white Gaussian noise, but are limited to…

Sound · Computer Science 2026-01-13 Xiaohan Shi , Jiajun He , Xingfeng Li , Tomoki Toda