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Automatic speech recognition (ASR) and speech translation (ST) can both use neural transducers as the model structure. It is thus possible to use a single transducer model to perform both tasks. In real-world applications, such joint ASR…

Computation and Language · Computer Science 2023-10-23 Peidong Wang , Eric Sun , Jian Xue , Yu Wu , Long Zhou , Yashesh Gaur , Shujie Liu , Jinyu Li

End-to-end automatic speech recognition (ASR) models often struggle to accurately recognize rare words. Previously, we introduced an ASR postprocessing method called error detection and context-aware error correction (ED-CEC), which…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-16 Jiajun He , Tomoki Toda

Code-switching (CS), the alternating use of two or more languages, challenges automatic speech recognition (ASR) due to scarce training data and linguistic similarities. The lack of dedicated CS datasets limits ASR performance, as most…

Computation and Language · Computer Science 2025-07-21 Carlos Mena , Pol Serra , Jacobo Romero , Abir Messaoudi , Jose Giraldo , Carme Armentano-Oller , Rodolfo Zevallos , Ivan Meza , Javier Hernando

Automatic speech recognition (ASR) has benefited from advances in pretrained speech and language models, yet most systems remain constrained to monolingual settings and short, isolated utterances. While recent efforts in context-aware ASR…

Computation and Language · Computer Science 2026-03-09 Yuchen Zhang , Haralambos Mouratidis , Ravi Shekhar

Large language model (LLM)-based automatic speech recognition (ASR) achieves strong performance but often incurs high computational costs. This work investigates how to obtain the best LLM-ASR performance efficiently. Through comprehensive…

Sound · Computer Science 2025-08-07 Bingshen Mu , Yiwen Shao , Kun Wei , Dong Yu , Lei Xie

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

We present mSLAM, a multilingual Speech and LAnguage Model that learns cross-lingual cross-modal representations of speech and text by pre-training jointly on large amounts of unlabeled speech and text in multiple languages. mSLAM combines…

Computation and Language · Computer Science 2022-02-04 Ankur Bapna , Colin Cherry , Yu Zhang , Ye Jia , Melvin Johnson , Yong Cheng , Simran Khanuja , Jason Riesa , Alexis Conneau

This paper presents our modeling and architecture approaches for building a highly accurate low-latency language identification system to support multilingual spoken queries for voice assistants. A common approach to solve multilingual…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-02 Chander Chandak , Zeynab Raeesy , Ariya Rastrow , Yuzong Liu , Xiangyang Huang , Siyu Wang , Dong Kwon Joo , Roland Maas

In this work, we present a simple and elegant approach to language modeling for bilingual code-switched text. Since code-switching is a blend of two or more different languages, a standard bilingual language model can be improved upon by…

Computation and Language · Computer Science 2018-08-06 Saurabh Garg , Tanmay Parekh , Preethi Jyothi

This paper presents a novel hybrid Automatic Speech Recognition (ASR) system designed specifically for resource-constrained robots. The proposed approach combines Hidden Markov Models (HMMs) with deep learning models and leverages socket…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-25 Anshul Ranjan , Kaushik Jegadeesan

The Transformer has shown impressive performance in automatic speech recognition. It uses the encoder-decoder structure with self-attention to learn the relationship between the high-level representation of the source inputs and embedding…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-16 Xinyuan Zhou , Grandee Lee , Emre Yılmaz , Yanhua Long , Jiaen Liang , Haizhou Li

Combination approaches for speech recognition (ASR) systems cover structured sentence-level or word-based merging techniques as well as combination of model scores during beam search. In this work, we compare model combination across…

Sound · Computer Science 2025-08-14 Noureldin Bayoumi , Robin Schmitt , Tina Raissi , Albert Zeyer , Ralf Schlüter , Hermann Ney

Mandarin-English code-switching (CS) is frequently used among East and Southeast Asian people. However, the intra-sentence language switching of the two very different languages makes recognizing CS speech challenging. Meanwhile, the recent…

Computation and Language · Computer Science 2021-10-05 Shun-Po Chuang , Heng-Jui Chang , Sung-Feng Huang , Hung-yi Lee

Code-switching automatic speech recognition becomes one of the most challenging and the most valuable scenarios of automatic speech recognition, due to the code-switching phenomenon between multilingual language and the frequent occurrence…

Computation and Language · Computer Science 2022-10-14 Shuhao Deng , Chengfei Li , Jinfeng Bai , Qingqing Zhang , Wei-Qiang Zhang , Runyan Yang , Gaofeng Cheng , Pengyuan Zhang , Yonghong Yan

Designing effective automatic speech recognition (ASR) systems for Code-Switching (CS) often depends on the availability of the transcribed CS resources. To address data scarcity, this paper introduces Speech Collage, a method that…

We focus on the problem of language modeling for code-switched language, in the context of automatic speech recognition (ASR). Language modeling for code-switched language is challenging for (at least) three reasons: (1) lack of available…

Computation and Language · Computer Science 2019-11-12 Hila Gonen , Yoav Goldberg

Concurrent Speaker Detection (CSD), the task of identifying active speakers and their overlaps in an audio signal, is essential for various audio applications, including meeting transcription, speaker diarization, and speech separation.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-16 Amit Eliav , Sharon Gannot

Automatic speech recognition (ASR) of overlapped speech remains a highly challenging task to date. To this end, multi-channel microphone array data are widely used in state-of-the-art ASR systems. Motivated by the invariance of visual…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-19 Jianwei Yu , Bo Wu , Rongzhi Gu , Shi-Xiong Zhang , Lianwu Chen , Yong Xu. Meng Yu , Dan Su , Dong Yu , Xunying Liu , Helen Meng

Modeling the errors of a speech recognizer can help simulate errorful recognized speech data from plain text, which has proven useful for tasks like discriminative language modeling, improving robustness of NLP systems, where limited or…

Artificial Intelligence · Computer Science 2024-08-22 Prashant Serai , Peidong Wang , Eric Fosler-Lussier

Automatic speech recognition (ASR) has reached a level of accuracy in recent years, that even outperforms humans in transcribing speech to text. Nevertheless, all current ASR approaches show a certain weakness against ambient noise. To…

Sound · Computer Science 2023-12-22 Christopher Simic , Tobias Bocklet