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Humans are capable of processing speech by making use of multiple sensory modalities. For example, the environment where a conversation takes place generally provides semantic and/or acoustic context that helps us to resolve ambiguities or…

Computation and Language · Computer Science 2019-02-21 Ozan Caglayan , Ramon Sanabria , Shruti Palaskar , Loïc Barrault , Florian Metze

Automatic speech recognition (ASR) systems normally consist of an acoustic model (AM) and a language model (LM). The acoustic model estimates the probability distribution of text given the input speech, while the language model calibrates…

Computation and Language · Computer Science 2025-06-17 Qingliang Meng , Pengju Ren , Tian Li , Changsong Dai , Huizhi Liang

Conversational automatic speech recognition (ASR) is a task to recognize conversational speech including multiple speakers. Unlike sentence-level ASR, conversational ASR can naturally take advantages from specific characteristics of…

Sound · Computer Science 2022-02-18 Kun Wei , Yike Zhang , Sining Sun , Lei Xie , Long Ma

Multilingual automatic speech recognition (ASR) models have shown great promise in recent years because of the simplified model training and deployment process. Conventional methods either train a universal multilingual model without taking…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-14 Long Zhou , Jinyu Li , Eric Sun , Shujie Liu

In this paper, we investigate the usage of large language models (LLMs) to improve the performance of competitive speech recognition systems. Different from previous LLM-based ASR error correction methods, we propose a novel multi-stage…

Computation and Language · Computer Science 2024-06-18 Jie Pu , Thai-Son Nguyen , Sebastian Stüker

The performance bottleneck of Automatic Speech Recognition (ASR) in stuttering speech scenarios has limited its applicability in domains such as speech rehabilitation. This paper proposed an LLM-driven ASR-SED multi-task learning framework…

Sound · Computer Science 2025-05-29 Shangkun Huang , Jing Deng , Jintao Kang , Rong Zheng

Embedding-based retrieval models have made significant strides in retrieval-augmented generation (RAG) techniques for text and multimodal large language models (LLMs) applications. However, when it comes to speech larage language models…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-11 Chunyu Sun , Bingyu Liu , Zhichao Cui , Junhan Shi , Anbin Qi , Tian-hao Zhang , Dinghao Zhou , Lewei Lu

Language identification (LID) recognizes the language of a spoken utterance automatically. According to recent studies, LID models trained with an automatic speech recognition (ASR) task perform better than those trained with a LID task…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-17 Jinseok Park , Hyung Yong Kim , Jihwan Park , Byeong-Yeol Kim , Shukjae Choi , Yunkyu Lim

Neural speech separation has made remarkable progress and its integration with automatic speech recognition (ASR) is an important direction towards realizing multi-speaker ASR. This work provides an insightful investigation of speech…

Training a conventional automatic speech recognition (ASR) system to support multiple languages is challenging because the sub-word unit, lexicon and word inventories are typically language specific. In contrast, sequence-to-sequence models…

Audio and Speech Processing · Electrical Eng. & Systems 2018-02-16 Shubham Toshniwal , Tara N. Sainath , Ron J. Weiss , Bo Li , Pedro Moreno , Eugene Weinstein , Kanishka Rao

Recent advances in machine learning have demonstrated that multi-modal pre-training can improve automatic speech recognition (ASR) performance compared to randomly initialized models, even when models are fine-tuned on uni-modal tasks.…

Computation and Language · Computer Science 2024-04-01 Yash Jain , David Chan , Pranav Dheram , Aparna Khare , Olabanji Shonibare , Venkatesh Ravichandran , Shalini Ghosh

Recognizing overlapping speech from multiple speakers in conversational scenarios is one of the most challenging problem for automatic speech recognition (ASR). Serialized output training (SOT) is a classic method to address multi-talker…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-02 Mohan Shi , Zengrui Jin , Yaoxun Xu , Yong Xu , Shi-Xiong Zhang , Kun Wei , Yiwen Shao , Chunlei Zhang , Dong Yu

We propose a simple method for automatic speech recognition (ASR) by fine-tuning BERT, which is a language model (LM) trained on large-scale unlabeled text data and can generate rich contextual representations. Our assumption is that given…

Sound · Computer Science 2021-02-02 Wen-Chin Huang , Chia-Hua Wu , Shang-Bao Luo , Kuan-Yu Chen , Hsin-Min Wang , Tomoki Toda

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

End-to-end (E2E) automatic speech recognition (ASR) systems have revolutionized the field by integrating all components into a single neural network, with attention-based encoder-decoder models achieving state-of-the-art performance.…

Computation and Language · Computer Science 2025-07-01 Duygu Altinok

This paper presents Seewo's systems for both tracks of the Multilingual Conversational Speech Language Model Challenge (MLC-SLM), addressing automatic speech recognition (ASR) and speaker diarization with ASR (SD-ASR). We introduce a…

Computation and Language · Computer Science 2025-06-19 Bo Li , Chengben Xu , Wufeng Zhang

Air traffic management and specifically air-traffic control (ATC) rely mostly on voice communications between Air Traffic Controllers (ATCos) and pilots. In most cases, these voice communications follow a well-defined grammar that could be…

Computation and Language · Computer Science 2021-08-30 Juan Zuluaga-Gomez , Iuliia Nigmatulina , Amrutha Prasad , Petr Motlicek , Karel Veselý , Martin Kocour , Igor Szöke

While speech foundation models (SFMs) have demonstrated remarkable performance in audio-only tasks, their adaptation to multimodal scenarios remains underexplored. This work presents UASR-LLM, a novel framework that adapts frozen SFMs to…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-03 Jing-Xuan Zhang , Genshun Wan , Jin Li , Jianqing Gao , Duo Zhao , Zhen-Hua Ling

In this paper we propose a novel virtual simulation-pilot engine for speeding up air traffic controller (ATCo) training by integrating different state-of-the-art artificial intelligence (AI) based tools. The virtual simulation-pilot engine…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-18 Juan Zuluaga-Gomez , Amrutha Prasad , Iuliia Nigmatulina , Petr Motlicek , Matthias Kleinert

Lip Reading, or Visual Automatic Speech Recognition (V-ASR), is a complex task requiring the interpretation of spoken language exclusively from visual cues, primarily lip movements and facial expressions. This task is especially challenging…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Marshall Thomas , Edward Fish , Richard Bowden