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

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In real-world applications, automatic speech recognition (ASR) systems must handle overlapping speech from multiple speakers and recognize rare words like technical terms. Traditional methods address multi-talker ASR and contextual biasing…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-17 Jiajun He , Naoki Sawada , Koichi Miyazaki , Tomoki Toda

In this paper, we present our initial efforts for building a code-switching (CS) speech recognition system leveraging existing acoustic models (AMs) and language models (LMs), i.e., no training required, and specifically targeting…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-03 Zhen Huang , Xiaodan Zhuang , Daben Liu , Xiaoqiang Xiao , Yuchen Zhang , Sabato Marco Siniscalchi

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

Although state-of-the-art Speech Foundational Models can produce high-quality text pseudo-labels, applying Semi-Supervised Learning (SSL) for in-the-wild real-world data remains challenging due to its richer and more complex acoustics…

Computation and Language · Computer Science 2026-03-16 Wen Ding , Fan Qian

A lack of code-switching data complicates the training of code-switching (CS) language models. We propose an approach to train such CS language models on monolingual data only. By constraining and normalizing the output projection matrix in…

Computation and Language · Computer Science 2020-05-22 Shun-Po Chuang , Tzu-Wei Sung , Hung-Yi Lee

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

Code-switching (CS), common in multilingual settings, presents challenges for ASR due to scarce and costly transcribed data caused by linguistic complexity. This study investigates building CS-ASR using synthetic CS data. We propose a…

Computation and Language · Computer Science 2025-06-18 Tuan Nguyen , Huy-Dat Tran

Code-switching in automatic speech recognition (ASR) is an important challenge due to globalization. Recent research in multilingual ASR shows potential improvement over monolingual systems. We study key issues related to multilingual…

Computation and Language · Computer Science 2021-07-06 Ahmed Ali , Shammur Chowdhury , Amir Hussein , Yasser Hifny

Recently, large pre-trained multilingual speech models have shown potential in scaling Automatic Speech Recognition (ASR) to many low-resource languages. Some of these models employ language adapters in their formulation, which helps to…

Computation and Language · Computer Science 2023-10-12 Atharva Kulkarni , Ajinkya Kulkarni , Miguel Couceiro , Hanan Aldarmaki

In this paper, we particularly work on the code-switched text, one of the most common occurrences in the bilingual communities across the world. Due to the discrepancies in the extraction of code-switched text from an Automated Speech…

Computation and Language · Computer Science 2020-06-17 Ahan M. R. , Shreyas Sunil Kulkarni

Large Language Models (LLMs) have impressive multilingual capabilities, but they suffer from unexpected code-switching, also known as language mixing, which involves switching to unexpected languages in the model response. This problem…

Computation and Language · Computer Science 2026-03-03 Boyi Deng , Yu Wan , Baosong Yang , Fei Huang , Wenjie Wang , Fuli Feng

Training multilingual automatic speech recognition (ASR) systems is challenging because acoustic and lexical information is typically language specific. Training multilingual system for Indic languages is even more tougher due to lack of…

Computation and Language · Computer Science 2022-06-14 Harveen Singh Chadha , Priyanshi Shah , Ankur Dhuriya , Neeraj Chhimwal , Anirudh Gupta , Vivek Raghavan

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

Despite recent advancements in speech processing, zero-resource speech translation (ST) and automatic speech recognition (ASR) remain challenging problems. In this work, we propose to leverage a multilingual Large Language Model (LLM) to…

Source separation can improve automatic speech recognition (ASR) under multi-party meeting scenarios by extracting single-speaker signals from overlapped speech. Despite the success of self-supervised learning models in single-channel…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-04 Yuang Li , Xianrui Zheng , Philip C. Woodland

Building Automatic Speech Recognition (ASR) systems for code-switched speech has recently gained renewed attention due to the widespread use of speech technologies in multilingual communities worldwide. End-to-end ASR systems are a natural…

Computation and Language · Computer Science 2020-10-13 Yash Sharma , Basil Abraham , Karan Taneja , Preethi Jyothi

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

Self-supervised automatic speech recognition (SSL-ASR) is an ASR approach that uses speech encoders pretrained on large amounts of unlabeled audio (e.g., wav2vec2.0 or HuBERT) and then fine-tunes them with limited labeled data to perform…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-07 Eyal Cohen , Bhiksha Raj , Joseph Keshet

The lack of code-switch training data is one of the major concerns in the development of end-to-end code-switching automatic speech recognition (ASR) models. In this work, we propose a method to train an improved end-to-end code-switching…

Computation and Language · Computer Science 2021-01-14 Yerbolat Khassanov , Haihua Xu , Van Tung Pham , Zhiping Zeng , Eng Siong Chng , Chongjia Ni , Bin Ma

Code-switching, also called code-mixing, is the linguistics phenomenon where in casual settings, multilingual speakers mix words from different languages in one utterance. Due to its spontaneous nature, code-switching is extremely…

Computation and Language · Computer Science 2023-06-01 Shuyue Stella Li , Cihan Xiao , Tianjian Li , Bismarck Odoom