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Code-switching (CS) phenomenon occurs when words or phrases from different languages are alternated in a single sentence. Due to data scarcity, building an effective CS Automatic Speech Recognition (ASR) system remains challenging. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-23 Yu Xi , Wen Ding , Kai Yu , Junjie Lai

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

Over the last decade, deep-learning methods have been gradually incorporated into conventional automatic speech recognition (ASR) frameworks to create acoustic, pronunciation, and language models. Although it led to significant improvements…

Sound · Computer Science 2022-05-26 Zohreh Ansari , Farzin Pourhoseini , Fatemeh Hadaeghi

In this work, we exploit speech enhancement for improving a recurrent neural network transducer (RNN-T) based ASR system. We employ a dense convolutional recurrent network (DCRN) for complex spectral mapping based speech enhancement, and…

Sound · Computer Science 2020-11-10 Ashutosh Pandey , Chunxi Liu , Yun Wang , Yatharth Saraf

The performance of voice-controlled systems is usually influenced by accented speech. To make these systems more robust, the frontend accent recognition (AR) technologies have received increased attention in recent years. As accent is a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-06 Zhan Zhang , Xi Chen , Yuehai Wang , Jianyi Yang

We propose a new method for the calculation of error rates in Automatic Speech Recognition (ASR). This new metric is for languages that contain half characters and where the same character can be written in different forms. We implement our…

Computation and Language · Computer Science 2022-06-16 Priyanshi Shah , Harveen Singh Chadha , Anirudh Gupta , Ankur Dhuriya , Neeraj Chhimwal , Rishabh Gaur , Vivek Raghavan

Pashto is spoken by approximately 60--80 million people but has no published benchmarks for multilingual automatic speech recognition (ASR) on any shared public test set. This paper reports the first reproducible multi-model evaluation on…

Computation and Language · Computer Science 2026-04-07 Hanif Rahman

Automatic Speech Recognition (ASR) is an active field of research due to its large number of applications and the proliferation of interfaces or computing devices that can support speech processing. However, the bulk of applications are…

Artificial Intelligence · Computer Science 2022-03-03 Jean Louis K. E. Fendji , Diane C. M. Tala , Blaise O. Yenke , Marcellin Atemkeng

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

Automatic Speech Recognition (ASR) holds immense potential to assist in clinical documentation and patient report generation, particularly in resource-constrained regions. However, deployment is currently hindered by a technical deadlock: a…

Computation and Language · Computer Science 2026-01-15 Darshil Chauhan , Adityasinh Solanki , Vansh Patel , Kanav Kapoor , Ritvik Jain , Aditya Bansal , Pratik Narang , Dhruv Kumar

Code-switching automatic speech recognition becomes one of the most challenging and the most valuable scenarios of automatic speech recognition, due to the code-switching phenomenon between multilingual language and the frequent occurrence…

Computation and Language · Computer Science 2022-10-14 Shuhao Deng , Chengfei Li , Jinfeng Bai , Qingqing Zhang , Wei-Qiang Zhang , Runyan Yang , Gaofeng Cheng , Pengyuan Zhang , Yonghong Yan

Automatic Speech Recognition (ASR) systems suffer significant performance degradation in noisy environments, a challenge that is especially severe for low-resource languages such as Persian. Even state-of-the-art models such as Whisper…

Computation and Language · Computer Science 2025-12-22 Zahra Rahmani , Hossein Sameti

Intra-sentential code-switching (CS) refers to the alternation between languages that happens within a single utterance and is a significant challenge for Automatic Speech Recognition (ASR) systems. For example, when a Vietnamese speaker…

Computation and Language · Computer Science 2025-01-14 The Chuong Chu , Vu Tuan Dat Pham , Kien Dao , Hoang Nguyen , Quoc Hung Truong

Many of the current state-of-the-art Large Vocabulary Continuous Speech Recognition Systems (LVCSR) are hybrids of neural networks and Hidden Markov Models (HMMs). Most of these systems contain separate components that deal with the…

Computation and Language · Computer Science 2016-03-16 Dzmitry Bahdanau , Jan Chorowski , Dmitriy Serdyuk , Philemon Brakel , Yoshua Bengio

Neural transducers (NT) provide an effective framework for speech streaming, demonstrating strong performance in automatic speech recognition (ASR). However, the application of NT to speech translation (ST) remains challenging, as existing…

Computation and Language · Computer Science 2025-06-04 Amir Hussein , Cihan Xiao , Matthew Wiesner , Dan Povey , Leibny Paola Garcia , Sanjeev Khudanpur

Language Identification (LID) systems are used to classify the spoken language from a given audio sample and are typically the first step for many spoken language processing tasks, such as Automatic Speech Recognition (ASR) systems. Without…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Christian Bartz , Tom Herold , Haojin Yang , Christoph Meinel

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

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

Despite 230 million speakers, Urdu remains critically under-resourced in speech technology. We introduce UrduSpeech: a large high-fidelity Urdu corpus comprising 156 hours of audio with 12-dimension paralinguistic metadata, encompassing…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-19 Attia Nafees ul Haq , Zeyu Zhu , Jingbin Hu , ChunJiang He , Lei Xie

With increasingly more powerful compute capabilities and resources in today's devices, traditionally compute-intensive automatic speech recognition (ASR) has been moving from the cloud to devices to better protect user privacy. However, it…

Machine Learning · Computer Science 2024-05-15 Mingbin Xu , Alex Jin , Sicheng Wang , Mu Su , Tim Ng , Henry Mason , Shiyi Han , Zhihong Lei , Yaqiao Deng , Zhen Huang , Mahesh Krishnamoorthy