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Code-mixing (CM), where speakers blend languages within a single expression, is prevalent in multilingual societies but poses challenges for natural language processing due to its complexity and limited data. We propose using a large…

Computation and Language · Computer Science 2025-10-28 Linda Zeng

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

The bi-encoder structure has been intensively investigated in code-switching (CS) automatic speech recognition (ASR). However, most existing methods require the structures of two monolingual ASR models (MAMs) should be the same and only use…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-03 Tongtong Song , Qiang Xu , Haoyu Lu , Longbiao Wang , Hao Shi , Yuqin Lin , Yanbing Yang , Jianwu Dang

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 (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

Code-switching (CS), defined as the mixing of languages in conversations, has become a worldwide phenomenon. The prevalence of CS has been recently met with a growing demand and interest to build CS ASR systems. In this paper, we present…

Computation and Language · Computer Science 2021-08-31 Injy Hamed , Pavel Denisov , Chia-Yu Li , Mohamed Elmahdy , Slim Abdennadher , Ngoc Thang Vu

There are few code switching datasets, labeled or unlabled, that exist today. As a result, ASR requires new methods to utilize the vast monolingual data and models that exist. This paper uses OpenAI's open source ASR model, Whisper, which…

Sound · Computer Science 2025-08-04 Linh Pham

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

Exploiting cross-lingual resources is an effective way to compensate for data scarcity of low resource languages. Recently, a novel multilingual model fusion technique has been proposed where a model is trained to learn cross-lingual…

Computation and Language · Computer Science 2023-06-16 Muhammad Umar Farooq , Thomas Hain

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

India is home to multiple languages, and training automatic speech recognition (ASR) systems for languages is challenging. Over time, each language has adopted words from other languages, such as English, leading to code-mixing. Most Indian…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-04 Mari Ganesh Kumar , Jom Kuriakose , Anand Thyagachandran , Arun Kumar A , Ashish Seth , Lodagala Durga Prasad , Saish Jaiswal , Anusha Prakash , Hema Murthy

This paper presents a novel multistage fine-tuning strategy designed to enhance automatic speech recognition (ASR) performance in low-resource languages using OpenAI's Whisper model. In this approach we aim to build ASR model for languages…

Computation and Language · Computer Science 2024-11-08 Leena G Pillai , Kavya Manohar , Basil K Raju , Elizabeth Sherly

Although Automatic Speech Recognition (ASR) systems have achieved human-like performance for a few languages, the majority of the world's languages do not have usable systems due to the lack of large speech datasets to train these models.…

Computation and Language · Computer Science 2022-02-28 Hemant Yadav , Sunayana Sitaram

Recent publications on automatic-speech-recognition (ASR) have a strong focus on attention encoder-decoder (AED) architectures which tend to suffer from over-fitting in low resource scenarios. One solution to tackle this issue is to…

Computation and Language · Computer Science 2021-07-14 Nick Rossenbach , Mohammad Zeineldeen , Benedikt Hilmes , Ralf Schlüter , Hermann Ney

Code-switching automatic speech recognition (ASR) aims to transcribe speech that contains two or more languages accurately. To better capture language-specific speech representations and address language confusion in code-switching ASR, the…

Sound · Computer Science 2025-01-10 He Wang , Xucheng Wan , Naijun Zheng , Kai Liu , Huan Zhou , Guojian Li , Lei Xie

Recent state-of-the-art neural text-to-speech (TTS) synthesis models have dramatically improved intelligibility and naturalness of generated speech from text. However, building a good bilingual or code-switched TTS for a particular voice is…

Sound · Computer Science 2020-10-19 Shengkui Zhao , Trung Hieu Nguyen , Hao Wang , Bin Ma

Code-switching (CS) automatic speech recognition (ASR) faces challenges due to the language confusion resulting from accents, auditory similarity, and seamless language switches. Adaptation on the pre-trained multi-lingual model has shown…

Computation and Language · Computer Science 2025-01-07 Jiahui Zhao , Hao Shi , Chenrui Cui , Tianrui Wang , Hexin Liu , Zhaoheng Ni , Lingxuan Ye , Longbiao Wang

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

Cutting-edge LLMs have emerged as powerful tools for multilingual communication and understanding. However, LLMs perform worse in Common Sense Reasoning (CSR) tasks when prompted in low-resource languages (LRLs) like Hindi or Swahili…

Computation and Language · Computer Science 2025-08-19 Tanay Nagar , Grigorii Khvatskii , Anna Sokol , Nitesh V. Chawla

We present our first efforts towards building a single multilingual automatic speech recognition (ASR) system that can process code-switching (CS) speech in five languages spoken within the same population. This contrasts with related prior…

Computation and Language · Computer Science 2018-07-31 Emre Yılmaz , Astik Biswas , Ewald van der Westhuizen , Febe de Wet , Thomas Niesler