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Code-switching, the alternation between two or more languages within communication, poses great challenges for Automatic Speech Recognition (ASR) systems. Existing models and datasets are limited in their ability to effectively handle these…

Sound · Computer Science 2025-11-14 Yupei Li , Zifan Wei , Heng Yu , Jiahao Xue , Huichi Zhou , Björn W. Schuller

Code-switching (CS) is a common phenomenon and recognizing CS speech is challenging. But CS speech data is scarce and there' s no common testbed in relevant research. This paper describes the design and main outcomes of the ASRU 2019…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-14 Xian Shi , Qiangze Feng , Lei Xie

Code-switching is a speech phenomenon occurring when a speaker switches language during a conversation. Despite the spontaneous nature of code-switching in conversational spoken language, most existing works collect code-switching data from…

Code-switching (CS) is the alternating use of two or more languages within a conversation or utterance, often influenced by social context and speaker identity. This linguistic phenomenon poses challenges for Automatic Speech Recognition…

Computation and Language · Computer Science 2025-06-03 Peng Xie , Xingyuan Liu , Tsz Wai Chan , Yequan Bie , Yangqiu Song , Yang Wang , Hao Chen , Kani Chen

This paper introduces a new corpus of Mandarin-English code-switching speech recognition--TALCS corpus, suitable for training and evaluating code-switching speech recognition systems. TALCS corpus is derived from real online one-to-one…

Computation and Language · Computer Science 2022-06-28 Chengfei Li , Shuhao Deng , Yaoping Wang , Guangjing Wang , Yaguang Gong , Changbin Chen , Jinfeng Bai

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

The existing audio datasets are predominantly tailored towards single languages, overlooking the complex linguistic behaviors of multilingual communities that engage in code-switching. This practice, where individuals frequently mix two or…

Sound · Computer Science 2025-03-04 Peng Xie , Kani Chen

Code-switching (CS) occurs when a speaker alternates words of two or more languages within a single sentence or across sentences. Automatic speech recognition (ASR) of CS speech has to deal with two or more languages at the same time. In…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-19 Xinyuan Zhou , Emre Yılmaz , Yanhua Long , Yijie Li , Haizhou Li

The paper introduces and publicly releases (Data download link available after acceptance) CAFE -- the first Code-switching dataset between Algerian dialect, French, and english languages. The CAFE speech data is unique for (a) its…

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

Code-Switching (CS) is a common linguistic phenomenon in multilingual communities that consists of switching between languages while speaking. This paper presents our investigations on end-to-end speech recognition for Mandarin-English CS…

Computation and Language · Computer Science 2021-12-21 Chia-Yu Li , Ngoc Thang Vu

Code-switching refers to the usage of two languages within a sentence or discourse. It is a global phenomenon among multilingual communities and has emerged as an independent area of research. With the increasing demand for the…

Computation and Language · Computer Science 2018-10-02 Ganji Sreeram , Kunal Dhawan , Rohit Sinha

Code-switching (CS) is common in daily conversations where more than one language is used within a sentence. The difficulties of CS speech recognition lie in alternating languages and the lack of transcribed data. Therefore, this paper uses…

Computation and Language · Computer Science 2021-10-08 Liang-Hsuan Tseng , Yu-Kuan Fu , Heng-Jui Chang , Hung-yi Lee

We present CS-FLEURS, a new dataset for developing and evaluating code-switched speech recognition and translation systems beyond high-resourced languages. CS-FLEURS consists of 4 test sets which cover in total 113 unique code-switched…

Code-switching (CS), which is when Vietnamese speech uses English words like drug names or procedures, is a common phenomenon in Vietnamese medical communication. This creates challenges for Automatic Speech Recognition (ASR) systems,…

Computation and Language · Computer Science 2026-02-16 Tung X. Nguyen , Nhu Vo , Giang-Son Nguyen , Duy Mai Hoang , Chien Dinh Huynh , Inigo Jauregi Unanue , Massimo Piccardi , Wray Buntine , Dung D. Le

Code-switching (CS) poses a significant challenge for Large Language Models (LLMs), yet its comprehensibility remains underexplored in LLMs. We introduce CS-Sum, to evaluate the comprehensibility of CS by the LLMs through CS dialogue to…

Computation and Language · Computer Science 2025-05-21 Sathya Krishnan Suresh , Tanmay Surana , Lim Zhi Hao , Eng Siong Chng

Code-Switching (CS) multilingual Automatic Speech Recognition (ASR) models can transcribe speech containing two or more alternating languages during a conversation. This paper proposes (1) a new method for creating code-switching ASR…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-19 Kunal Dhawan , Dima Rekesh , Boris Ginsburg

The success of large language models has driven interest in developing similar speech processing capabilities. However, a key challenge is the scarcity of high-quality spontaneous speech data, as most existing datasets contain scripted…

Code-switching speech recognition (CSSR) transcribes speech that switches between multiple languages or dialects within a single sentence. The main challenge in this task is that different languages often have similar pronunciations, making…

Sound · Computer Science 2023-06-09 Zhiyun Fan , Linhao Dong , Chen Shen , Zhenlin Liang , Jun Zhang , Lu Lu , Zejun Ma

Code-switching automatic speech recognition (CS-ASR) presents unique challenges due to language confusion introduced by spontaneous intra-sentence switching and accent bias that blurs the phonetic boundaries. Although the constituent…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-18 Hexin Liu , Haoyang Zhang , Qiquan Zhang , Xiangyu Zhang , Dongyuan Shi , Eng Siong Chng , Haizhou Li
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