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Related papers: Semi-supervised Learning for Code-Switching ASR wi…

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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

Code-switching (CS) refers to the switching of languages within a speech signal and results in language confusion for automatic speech recognition (ASR). To address language confusion, we propose a language alignment loss (LAL) that aligns…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-04 Hexin Liu , Xiangyu Zhang , Haoyang Zhang , Leibny Paola Garcia , Andy W. H. Khong , Eng Siong Chng , Shinji Watanabe

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

In this paper, we investigate the code-switching detection performance of a code-switching (CS) automatic speech recognition (ASR) system with data-augmented acoustic and language models. We focus on the recognition of Frisian-Dutch radio…

Computation and Language · Computer Science 2018-08-03 Emre Yılmaz , Henk van den Heuvel , David A. van Leeuwen

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

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 (CS) is referred to the phenomenon of alternately using words and phrases from different languages. While today's neural end-to-end (E2E) models deliver state-of-the-art performances on the task of automatic speech…

Computation and Language · Computer Science 2023-07-04 Enes Yavuz Ugan , Christian Huber , Juan Hussain , Alexander Waibel

Code-switching deals with alternative languages in communication process. Training end-to-end (E2E) automatic speech recognition (ASR) systems for code-switching is especially challenging as code-switching training data are always…

Computation and Language · Computer Science 2022-06-30 Shuai Zhang , Jiangyan Yi , Zhengkun Tian , Jianhua Tao , Yu Ting Yeung , Liqun Deng

Recently, there has been significant progress made in Automatic Speech Recognition (ASR) of code-switched speech, leading to gains in accuracy on code-switched datasets in many language pairs. Code-switched speech co-occurs with monolingual…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-02 Sanket Shah , Basil Abraham , Gurunath Reddy M , Sunayana Sitaram , Vikas Joshi

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

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

Languages usually switch within a multilingual speech signal, especially in a bilingual society. This phenomenon is referred to as code-switching (CS), making automatic speech recognition (ASR) challenging under a multilingual scenario. We…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-02 Hexin Liu , Leibny Paola Garcia , Xiangyu Zhang , Andy W. H. Khong , Sanjeev Khudanpur

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

Code-switching describes the practice of using more than one language in the same sentence. In this study, we investigate how to optimize a neural transducer based bilingual automatic speech recognition (ASR) model for code-switching…

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

Code-switching (CS) refers to the phenomenon that languages switch within a speech signal and leads to language confusion for automatic speech recognition (ASR). This paper aims to address language confusion for improving CS-ASR from two…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-27 Hexin Liu , Haihua Xu , Leibny Paola Garcia , Andy W. H. Khong , Yi He , Sanjeev Khudanpur

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 (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

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

While Large Language Models (LLMs) have shown potential in speech generation and recognition, their applications are mainly confined to monolingual scenarios, with limited explorations in code-switched (CS) contexts. In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-25 Jing Xu , Daxin Tan , Jiaqi Wang , Xiao Chen
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