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Contextual biasing is an important and challenging task for end-to-end automatic speech recognition (ASR) systems, which aims to achieve better recognition performance by biasing the ASR system to particular context phrases such as person…

Computation and Language · Computer Science 2022-09-08 Xiaoqiang Wang , Yanqing Liu , Jinyu Li , Veljko Miljanic , Sheng Zhao , Hosam Khalil

Automatic Speech Recognition (ASR) systems generalize poorly on accented speech. The phonetic and linguistic variability of accents present hard challenges for ASR systems today in both data collection and modeling strategies. The resulting…

Automatic speech Recognition (ASR) is a fundamental and important task in the field of speech and natural language processing. It is an inherent building block in many applications such as voice assistant, speech translation, etc. Despite…

Computation and Language · Computer Science 2024-12-05 Victor Junqiu Wei , Weicheng Wang , Di Jiang , Yuanfeng Song , Lu Wang

We introduce DAS (Domain Adaptation with Synthetic data), a novel domain adaptation framework for pre-trained ASR model, designed to efficiently adapt to various language-defined domains without requiring any real data. In particular, DAS…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-23 Minh Tran , Yutong Pang , Debjyoti Paul , Laxmi Pandey , Kevin Jiang , Jinxi Guo , Ke Li , Shun Zhang , Xuedong Zhang , Xin Lei

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

While Automatic Speech Recognition (ASR) models have shown significant advances with the introduction of unsupervised or self-supervised training techniques, these improvements are still only limited to a subsection of languages and…

Computation and Language · Computer Science 2023-10-19 Theresa Pekarek Rosin , Stefan Wermter

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

It has been shown that the intelligibility of noisy speech can be improved by speech enhancement algorithms. However, speech enhancement has not been established as an effective frontend for robust automatic speech recognition (ASR) in…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-22 Yufeng Yang , Ashutosh Pandey , DeLiang Wang

Automatic Speech Recognition (ASR) is an imperfect process that results in certain mismatches in ASR output text when compared to plain written text or transcriptions. When plain text data is to be used to train systems for spoken language…

Computation and Language · Computer Science 2021-04-02 Prashant Serai , Vishal Sunder , Eric Fosler-Lussier

We analyze automatic speech recognition (ASR) modeling choices under domain mismatch, comparing classic modular and novel sequence-to-sequence (seq2seq) architectures. Across the different ASR architectures, we examine a spectrum of…

Sound · Computer Science 2025-08-14 Tina Raissi , Nick Rossenbach , Ralf Schlüter

Although contextualized automatic speech recognition (ASR) systems are commonly used to improve the recognition of uncommon words, their effectiveness is hindered by the inherent limitations of speech-text data availability. To address this…

Sound · Computer Science 2024-06-17 Naijun Zheng , Xucheng Wan , Kai Liu , Ziqing Du , Zhou Huan

Building a high quality automatic speech recognition (ASR) system with limited training data has been a challenging task particularly for a narrow target population. Open-sourced ASR systems, trained on sufficient data from adults, are…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-18 Liu Chen , Meysam Asgari

Effective communication in Air Traffic Control (ATC) is critical to maintaining aviation safety, yet the challenges posed by accented English remain largely unaddressed in Automatic Speech Recognition (ASR) systems. Existing models struggle…

Modern Automatic Speech Recognition (ASR) systems can achieve high performance in terms of recognition accuracy. However, a perfectly accurate transcript still can be challenging to read due to grammatical errors, disfluency, and other…

Computation and Language · Computer Science 2020-04-10 Junwei Liao , Sefik Emre Eskimez , Liyang Lu , Yu Shi , Ming Gong , Linjun Shou , Hong Qu , Michael Zeng

Despite the impressive performance recently achieved by automatic speech recognition (ASR), we observe two primary challenges that hinder its broader applications: (1) The difficulty of introducing scalability into the model to support more…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-29 Zhongzhi Yu , Yang Zhang , Kaizhi Qian , Yonggan Fu , Yingyan Lin

Automatic speech recognition (ASR) meets more informal and free-form input data as voice user interfaces and conversational agents such as the voice assistants such as Alexa, Google Home, etc., gain popularity. Conversational speech is both…

Computation and Language · Computer Science 2022-12-06 Hannaneh B. Pasandi , Haniyeh B. Pasandi

Interacting with a speech interface to query a Question Answering (QA) system is becoming increasingly popular. Typically, QA systems rely on passage retrieval to select candidate contexts and reading comprehension to extract the final…

Computation and Language · Computer Science 2022-09-28 Georgios Sidiropoulos , Svitlana Vakulenko , Evangelos Kanoulas

The performance of automatic speech recognition (ASR) systems typically degrades significantly when the training and test data domains are mismatched. In this paper, we show that self-training (ST) combined with an uncertainty-based…

Computation and Language · Computer Science 2021-02-17 Sameer Khurana , Niko Moritz , Takaaki Hori , Jonathan Le Roux

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

Text to speech (TTS) and automatic speech recognition (ASR) are two dual tasks in speech processing and both achieve impressive performance thanks to the recent advance in deep learning and large amount of aligned speech and text data.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Yi Ren , Xu Tan , Tao Qin , Sheng Zhao , Zhou Zhao , Tie-Yan Liu