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Automatic speech recognition (ASR) systems generate real-time transcriptions but often miss nuances that human interpreters capture. While ASR is useful in many contexts, interpreters-who already use ASR tools such as Dragon-add critical…

Sound · Computer Science 2025-10-15 Carlos Arriaga , Alejandro Pozo , Javier Conde , Alvaro Alonso

Automatic pronunciation error detection (APED) plays an important role in the domain of language learning. As for the previous ASR-based APED methods, the decoded results need to be aligned with the target text so that the errors can be…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-06 Zhan Zhang , Yuehai Wang , Jianyi Yang

Automatic speech recognition (ASR) systems can suffer from poor recall for various reasons, such as noisy audio, lack of sufficient training data, etc. Previous work has shown that recall can be improved by retrieving rewrite candidates…

In recent research, in the domain of speech processing, large End-to-End (E2E) systems for Automatic Speech Recognition (ASR) have reported state-of-the-art performance on various benchmarks. These systems intrinsically learn how to handle…

Computation and Language · Computer Science 2023-09-06 Patrick Eickhoff , Matthias Möller , Theresa Pekarek Rosin , Johannes Twiefel , Stefan Wermter

Speech separation has been successfully applied as a frontend processing module of conversation transcription systems thanks to its ability to handle overlapped speech and its flexibility to combine with downstream tasks such as automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-06 Jian Wu , Zhuo Chen , Sanyuan Chen , Yu Wu , Takuya Yoshioka , Naoyuki Kanda , Shujie Liu , Jinyu Li

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

In this paper, we propose an incremental learning method for end-to-end Automatic Speech Recognition (ASR) which enables an ASR system to perform well on new tasks while maintaining the performance on its originally learned ones. To…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-17 Li Fu , Xiaoxiao Li , Libo Zi , Zhengchen Zhang , Youzheng Wu , Xiaodong He , Bowen Zhou

Attention-based encoder-decoder architectures such as Listen, Attend, and Spell (LAS), subsume the acoustic, pronunciation and language model components of a traditional automatic speech recognition (ASR) system into a single neural…

Automatic speech recognition (ASR) systems developed in recent years have shown promising results with self-attention models (e.g., Transformer and Conformer), which are replacing conventional recurrent neural networks. Meanwhile, a…

Sound · Computer Science 2022-11-01 Koichi Miyazaki , Masato Murata , Tomoki Koriyama

Automatic Speech Recognition (ASR) technology has made significant progress in recent years, providing accurate transcription across various domains. However, some challenges remain, especially in noisy environments and specialized jargon.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-06 Aviv Shamsian , Aviv Navon , Neta Glazer , Gill Hetz , Joseph Keshet

Text data is commonly utilized as a primary input to enhance Speech Emotion Recognition (SER) performance and reliability. However, the reliance on human-transcribed text in most studies impedes the development of practical SER systems,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-25 Yuanchao Li , Peter Bell , Catherine Lai

High-quality human transcription is essential for training and improving Automatic Speech Recognition (ASR) models. Recent study~\cite{libricrowd} has found that every 1% worse transcription Word Error Rate (WER) increases approximately 2%…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-20 Hanbo Sun , Jian Gao , Xiaomin Wu , Anjie Fang , Cheng Cao , Zheng Du

Error correction models form an important part of Automatic Speech Recognition (ASR) post-processing to improve the readability and quality of transcriptions. Most prior works use the 1-best ASR hypothesis as input and therefore can only…

Computation and Language · Computer Science 2023-10-11 Rao Ma , Mark J. F. Gales , Kate M. Knill , Mengjie Qian

This paper studies a novel pre-training technique with unpaired speech data, Speech2C, for encoder-decoder based automatic speech recognition (ASR). Within a multi-task learning framework, we introduce two pre-training tasks for the…

Sound · Computer Science 2022-06-22 Junyi Ao , Ziqiang Zhang , Long Zhou , Shujie Liu , Haizhou Li , Tom Ko , Lirong Dai , Jinyu Li , Yao Qian , Furu Wei

The transcription quality of automatic speech recognition (ASR) systems degrades significantly when transcribing audios coming from unseen domains. We propose an unsupervised error correction method for unsupervised ASR domain adaption,…

Sound · Computer Science 2022-09-27 Long Mai , Julie Carson-Berndsen

We propose a cross-modal transformer-based neural correction models that refines the output of an automatic speech recognition (ASR) system so as to exclude ASR errors. Generally, neural correction models are composed of encoder-decoder…

Computation and Language · Computer Science 2021-07-06 Tomohiro Tanaka , Ryo Masumura , Mana Ihori , Akihiko Takashima , Takafumi Moriya , Takanori Ashihara , Shota Orihashi , Naoki Makishima

Automatic speech recognition (ASR) is a core component of human--computer interaction and an increasingly important front-end for LLM-based assistants and agents. However, most current ASR systems still follow a single-pass paradigm, which…

Artificial Intelligence · Computer Science 2026-05-29 Zixuan Jiang , Yanqiao Zhu , Peng Wang , Qinyuan Chen , Xinjian Zhao , Xipeng Qiu , Wupeng Wang , Zhifu Gao , Xiangang Li , Kai Yu , Xie Chen

The accuracy of end-to-end (E2E) automatic speech recognition (ASR) models continues to improve as they are scaled to larger sizes, with some now reaching billions of parameters. Widespread deployment and adoption of these models, however,…

In this article, we present an approach for non native automatic speech recognition (ASR). We propose two methods to adapt existing ASR systems to the non-native accents. The first method is based on the modification of acoustic models…

Computation and Language · Computer Science 2007-11-08 Ghazi Bouselmi , Dominique Fohr , Irina Illina , Jean-Paul Haton

Continual Learning (CL) involves fine-tuning pre-trained models with new data while maintaining the performance on the pre-trained data. This is particularly relevant for expanding multilingual ASR (MASR) capabilities. However, existing CL…

Computation and Language · Computer Science 2024-09-30 Chin Yuen Kwok , Jia Qi Yip , Eng Siong Chng