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Related papers: Enhancing Code-switching Speech Recognition with I…

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An increasing number of people in the world today speak a mixed-language as a result of being multilingual. However, building a speech recognition system for code-switching remains difficult due to the availability of limited resources and…

Computation and Language · Computer Science 2020-04-30 Genta Indra Winata , Samuel Cahyawijaya , Zhaojiang Lin , Zihan Liu , Peng Xu , Pascale Fung

In this paper, we describe several techniques for improving the acoustic and language model of an automatic speech recognition (ASR) system operating on code-switching (CS) speech. We focus on the recognition of Frisian-Dutch radio…

Computation and Language · Computer Science 2018-07-31 Emre Yılmaz , Henk van den Heuvel , David A. van Leeuwen

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

Multilingual Automatic Speech Recognition (ASR) models have extended the usability of speech technologies to a wide variety of languages. With how many languages these models have to handle, however, a key to understanding their imbalanced…

Computation and Language · Computer Science 2023-02-28 William Chen , Brian Yan , Jiatong Shi , Yifan Peng , Soumi Maiti , Shinji Watanabe

Code understanding is a foundational capability in software engineering tools and developer workflows. However, most existing systems are designed for English-speaking users interacting via keyboards, which limits accessibility in…

Software Engineering · Computer Science 2026-01-23 Jayant Havare , Ashish Mittal , Srikanth Tamilselvam , Ganesh Ramakrishnan

Code-switching speech refers to a means of expression by mixing two or more languages within a single utterance. Automatic Speech Recognition (ASR) with End-to-End (E2E) modeling for such speech can be a challenging task due to the lack of…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-21 Haibin Yu , Yuxuan Hu , Yao Qian , Ma Jin , Linquan Liu , Shujie Liu , Yu Shi , Yanmin Qian , Edward Lin , Michael Zeng

Existing research suggests that automatic speech recognition (ASR) models can benefit from additional contexts (e.g., contact lists, user specified vocabulary). Rare words and named entities can be better recognized with contexts. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-16 Ruizhe Huang , Mahsa Yarmohammadi , Sanjeev Khudanpur , Daniel Povey

Contextual biasing improves automatic speech recognition (ASR) by integrating external knowledge, such as user-specific phrases or entities, during decoding. In this work, we use an attention-based biasing decoder to produce scores for…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-29 Wanting Huang , Weiran Wang

Code-Switching (CS) remains a challenge for Automatic Speech Recognition (ASR), especially character-based models. With the combined choice of characters from multiple languages, the outcome from character-based models suffers from phoneme…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-24 Burin Naowarat , Thananchai Kongthaworn , Korrawe Karunratanakul , Sheng Hui Wu , Ekapol Chuangsuwanich

Code-switching (CS) speech refers to the phenomenon of mixing two or more languages within the same sentence. Despite the recent advances in automatic speech recognition (ASR), CS-ASR is still a challenging task ought to the grammatical…

Computation and Language · Computer Science 2023-10-23 Chen Chen , Yuchen Hu , Chao-Han Huck Yang , Hexin Liu , Sabato Marco Siniscalchi , Eng Siong Chng

While speech large language models (SpeechLLMs) have advanced standard automatic speech recognition (ASR), contextual biasing for named entities and rare words remains challenging, especially at scale. To address this, we propose BR-ASR: a…

Sound · Computer Science 2025-05-27 Xun Gong , Anqi Lv , Zhiming Wang , Huijia Zhu , Yanmin Qian

Lately, the problem of code-switching has gained a lot of attention and has emerged as an active area of research. In bilingual communities, the speakers commonly embed the words and phrases of a non-native language into the syntax of a…

Computation and Language · Computer Science 2017-11-13 Ganji Sreeram , Rohit Sinha

Language identification for code-switching (CS), the phenomenon of alternating between two or more languages in conversations, has traditionally been approached under the assumption of a single language per token. However, if at least one…

Computation and Language · Computer Science 2019-04-04 Manuel Mager , Özlem Çetinoğlu , Katharina Kann

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

Automatic speech recognition (ASR) for conversational code-switching speech remains challenging due to the scarcity of realistic, high-quality labeled speech data. This paper explores multilingual text-to-speech (TTS) models as an effective…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-06 Yue Heng Yeo , Yuchen Hu , Shreyas Gopal , Yizhou Peng , Hexin Liu , Eng Siong Chng

Code-switching (CS) is a widespread phenomenon among bilingual and multilingual societies. The lack of CS resources hinders the performance of many NLP tasks. In this work, we explore the potential use of bilingual word embeddings for…

Computation and Language · Computer Science 2019-09-25 Injy Hamed , Moritz Zhu , Mohamed Elmahdy , Slim Abdennadher , Ngoc Thang Vu

Dual-encoder structure successfully utilizes two language-specific encoders (LSEs) for code-switching speech recognition. Because LSEs are initialized by two pre-trained language-specific models (LSMs), the dual-encoder structure can…

Computation and Language · Computer Science 2022-07-13 Tongtong Song , Qiang Xu , Meng Ge , Longbiao Wang , Hao Shi , Yongjie Lv , Yuqin Lin , Jianwu Dang

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

In this work, we seek to build effective code-switched (CS) automatic speech recognition systems (ASR) under the zero-shot setting where no transcribed CS speech data is available for training. Previously proposed frameworks which…

Computation and Language · Computer Science 2022-11-10 Brian Yan , Matthew Wiesner , Ondrej Klejch , Preethi Jyothi , Shinji Watanabe

Code-switching is a data augmentation scheme mixing words from multiple languages into source lingual text. It has achieved considerable generalization performance of cross-lingual transfer tasks by aligning cross-lingual contextual word…

Computation and Language · Computer Science 2024-06-21 Zhuoran Li , Chunming Hu , Junfan Chen , Zhijun Chen , Xiaohui Guo , Richong Zhang