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Despite the rapid progress in automatic speech recognition (ASR) research, recognizing multilingual speech using a unified ASR system remains highly challenging. Previous works on multilingual speech recognition mainly focus on two…

Computation and Language · Computer Science 2022-06-07 Jinchuan Tian , Jianwei Yu , Chunlei Zhang , Chao Weng , Yuexian Zou , Dong Yu

The pervasiveness of intra-utterance code-switching (CS) in spoken content requires that speech recognition (ASR) systems handle mixed language. Designing a CS-ASR system has many challenges, mainly due to data scarcity, grammatical…

Computation and Language · Computer Science 2023-01-12 Amir Hussein , Shammur Absar Chowdhury , Ahmed Abdelali , Najim Dehak , Ahmed Ali , Sanjeev Khudanpur

We introduce a new cross-modal fusion technique designed for generative error correction in automatic speech recognition (ASR). Our methodology leverages both acoustic information and external linguistic representations to generate accurate…

Recognizing code-switched speech is challenging for Automatic Speech Recognition (ASR) for a variety of reasons, including the lack of code-switched training data. Recently, we showed that monolingual ASR systems fine-tuned on code-switched…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-11 Gurunath Reddy Madhumani , Sanket Shah , Basil Abraham , Vikas Joshi , Sunayana Sitaram

Pre-trained models, especially self-supervised learning (SSL) models, have demonstrated impressive results in automatic speech recognition (ASR) task. While most applications of SSL models focus on leveraging continuous representations as…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-03 Zehan Li , Yan Yang , Xueqing Li , Jian Kang , Xiao-Lei Zhang , Jie Li

Joint optimization of multi-channel front-end and automatic speech recognition (ASR) has attracted much interest. While promising results have been reported for various tasks, past studies on its meeting transcription application were…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-30 Xiaofei Wang , Naoyuki Kanda , Yashesh Gaur , Zhuo Chen , Zhong Meng , Takuya Yoshioka

Automatic speech recognition (ASR) technique is becoming increasingly popular to improve the efficiency and safety of air traffic control (ATC) operations. However, the conversation between ATC controllers and pilots using multilingual…

Sound · Computer Science 2023-05-02 Peng Fan , Dongyue Guo , JianWei Zhang , Bo Yang , Yi Lin

We present an end-to-end multichannel speaker-attributed automatic speech recognition (MC-SA-ASR) system that combines a Conformer-based encoder with multi-frame crosschannel attention and a speaker-attributed Transformer-based decoder. To…

Computation and Language · Computer Science 2023-10-17 Can Cui , Imran Ahamad Sheikh , Mostafa Sadeghi , Emmanuel Vincent

Visual Automatic Speech Recognition (V-ASR) is a challenging task that involves interpreting spoken language solely from visual information, such as lip movements and facial expressions. This task is notably challenging due to the absence…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Matthew Kit Khinn Teng , Haibo Zhang , Takeshi Saitoh

This paper introduces the integration of language-specific bi-directional context into a speech large language model (SLLM) to improve multilingual continuous conversational automatic speech recognition (ASR). We propose a character-level…

Computation and Language · Computer Science 2025-07-08 Yizhou Peng , Hexin Liu , Eng Siong Chng

Code-switching in automatic speech recognition (ASR) is an important challenge due to globalization. Recent research in multilingual ASR shows potential improvement over monolingual systems. We study key issues related to multilingual…

Computation and Language · Computer Science 2021-07-06 Ahmed Ali , Shammur Chowdhury , Amir Hussein , Yasser Hifny

With the advent of globalization, there is an increasing demand for multilingual automatic speech recognition (ASR), handling language and dialectal variation of spoken content. Recent studies show its efficacy over monolingual systems. In…

Computation and Language · Computer Science 2021-07-06 Shammur Absar Chowdhury , Amir Hussein , Ahmed Abdelali , Ahmed Ali

In this paper, we particularly work on the code-switched text, one of the most common occurrences in the bilingual communities across the world. Due to the discrepancies in the extraction of code-switched text from an Automated Speech…

Computation and Language · Computer Science 2020-06-17 Ahan M. R. , Shreyas Sunil Kulkarni

This paper presents the architecture and performance of a novel Multilingual Automatic Speech Recognition (ASR) system developed by the Transsion Speech Team for Track 1 of the MLC-SLM 2025 Challenge. The proposed system comprises three key…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-22 Xiaoxiao Li , An Zhu , Youhai Jiang , Fengjie Zhu

Training large foundation models using self-supervised objectives on unlabeled data, followed by fine-tuning on downstream tasks, has emerged as a standard procedure. Unfortunately, the efficacy of this approach is often constrained by both…

This paper describes SHNU multilingual conversational speech recognition system (SHNU-mASR, team name-"maybe"), submitted to Track 1 of the INTERSPEECH 2025 MLC-SLM Challenge. Our system integrates a parallel-speech-encoder architecture…

Computation and Language · Computer Science 2025-07-09 Yuxiang Mei , Yuang Zheng , Dongxing Xu , Yanhua Long

We present CALM, a joint Contextual Acoustic-Linguistic Modeling framework for multi-speaker automatic speech recognition (ASR). In personalized AI scenarios, the joint availability of acoustic and linguistic cues naturally motivates the…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-14 Muhammad Shakeel , Yosuke Fukumoto , Chikara Maeda , Chyi-Jiunn Lin , Shinji Watanabe

Multi-speaker automatic speech recognition (MS-ASR) faces significant challenges in transcribing overlapped speech, a task critical for applications like meeting transcription and conversational analysis. While serialized output training…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-09 Yuke Lin , Ming Cheng , Ze Li , Beilong Tang , Ming Li

Modeling code-switched speech is an important problem in automatic speech recognition (ASR). Labeled code-switched data are rare, so monolingual data are often used to model code-switched speech. These monolingual data may be more closely…

Computation and Language · Computer Science 2021-06-16 Andrew Slottje , Shannon Wotherspoon , William Hartmann , Matthew Snover , Owen Kimball

It is challenging to train and deploy Transformer LMs for hybrid speech recognition 2nd pass re-ranking in low-resource languages due to (1) data scarcity in low-resource languages, (2) expensive computing costs for training and refreshing…

Computation and Language · Computer Science 2022-09-12 Li Miao , Jian Wu , Piyush Behre , Shuangyu Chang , Sarangarajan Parthasarathy