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Related papers: Language Modeling for Code-Switching: Evaluation, …

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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), 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

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

Motivated by a growing research interest into automatic speech recognition (ASR), and the growing body of work for languages in which code-switching (CS) often occurs, we present a systematic literature review of code-switching in…

Computation and Language · Computer Science 2025-07-11 Maha Tufail Agro , Atharva Kulkarni , Karima Kadaoui , Zeerak Talat , Hanan Aldarmaki

Recently, there is increasing interest in multilingual automatic speech recognition (ASR) where a speech recognition system caters to multiple low resource languages by taking advantage of low amounts of labeled corpora in multiple…

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

Multilingual Automated Speech Recognition (ASR) systems allow for the joint training of data-rich and data-scarce languages in a single model. This enables data and parameter sharing across languages, which is especially beneficial for the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-22 Arindrima Datta , Bhuvana Ramabhadran , Jesse Emond , Anjuli Kannan , Brian Roark

The prevalence of the powerful multilingual models, such as Whisper, has significantly advanced the researches on speech recognition. However, these models often struggle with handling the code-switching setting, which is essential in…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-15 Bobbi Aditya , Mahdin Rohmatillah , Liang-Hsuan Tai , Jen-Tzung Chien

Training code-switched language models is difficult due to lack of data and complexity in the grammatical structure. Linguistic constraint theories have been used for decades to generate artificial code-switching sentences to cope with this…

Computation and Language · Computer Science 2019-09-19 Genta Indra Winata , Andrea Madotto , Chien-Sheng Wu , Pascale Fung

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

This paper presents our latest effort on improving Code-switching language models that suffer from data scarcity. We investigate methods to augment Code-switching training text data by artificially generating them. Concretely, we propose a…

Computation and Language · Computer Science 2021-12-14 Chia-Yu Li , Ngoc Thang Vu

In recent years, end-to-end speech recognition has emerged as a technology that integrates the acoustic, pronunciation dictionary, and language model components of the traditional Automatic Speech Recognition model. It is possible to…

Computation and Language · Computer Science 2023-12-18 Tzu-Ting Yang , Hsin-Wei Wang , Berlin Chen

Training a code-switching (CS) language model using only monolingual data is still an ongoing research problem. In this paper, a CS language model is trained using only monolingual training data. As recurrent neural network (RNN) models are…

Computation and Language · Computer Science 2020-12-25 Asad Ullah , Tauseef Ahmed

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

We live in a world where 60% of the population can speak two or more languages fluently. Members of these communities constantly switch between languages when having a conversation. As automatic speech recognition (ASR) systems are being…

Computation and Language · Computer Science 2021-02-16 Siddharth Dalmia , Yuzong Liu , Srikanth Ronanki , Katrin Kirchhoff

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-where multilingual speakers alternately switch between languages during conversations-still poses significant challenges to end-to-end (E2E) automatic speech recognition (ASR) systems due to phenomena of both acoustic and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-13 Tzu-Ting Yang , Hsin-Wei Wang , Yi-Cheng Wang , Berlin Chen

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

Training a code-switching end-to-end automatic speech recognition (ASR) model normally requires a large amount of data, while code-switching data is often limited. In this paper, three novel approaches are proposed for code-switching data…

Computation and Language · Computer Science 2024-11-05 Chenpeng Du , Hao Li , Yizhou Lu , Lan Wang , Yanmin Qian

Code-switching (CS), a ubiquitous phenomenon due to the ease of communication it offers in multilingual communities still remains an understudied problem in language processing. The primary reasons behind this are: (1) minimal efforts in…

Computation and Language · Computer Science 2021-11-03 Parul Chopra , Sai Krishna Rallabandi , Alan W Black , Khyathi Raghavi Chandu