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In this work, we address the challenge of building fair English ASR systems for second-language speakers. Our analysis of widely used ASR models, Whisper and Seamless-M4T, reveals large fluctuations in word error rate (WER) across 26 accent…

Computation and Language · Computer Science 2026-01-27 Monorama Swain , Bubai Maji , Jagabandhu Mishra , Markus Schedl , Anders Søgaard , Jesper Rindom Jensen

The utilization of speech Self-Supervised Learning (SSL) models achieves impressive performance on Automatic Speech Recognition (ASR). However, in low-resource language ASR, they encounter the domain mismatch problem between pre-trained and…

Low-resource automatic speech recognition (ASR) is challenging, as the low-resource target language data cannot well train an ASR model. To solve this issue, meta-learning formulates ASR for each source language into many small ASR tasks…

Computation and Language · Computer Science 2021-04-13 Yubei Xiao , Ke Gong , Pan Zhou , Guolin Zheng , Xiaodan Liang , Liang Lin

Low-Rank Adaptation (LoRA) is a widely adopted parameter-efficient fine-tuning (PEFT) method. However, its linear adaptation process limits its expressive power. This means there is a gap between the expressive power of linear training and…

Machine Learning · Computer Science 2026-01-06 Jiacheng Li , Jianchao Tan , Zhidong Yang , Feiye Huo , Yerui Sun , Yuchen Xie , Xunliang Cai

Low-Rank Adaptation (LoRA) is a popular technique for efficient fine-tuning of foundation models. However, applying LoRA in federated learning environments, where data is distributed across multiple clients, presents unique challenges.…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-01 Raghav Singhal , Kaustubh Ponkshe , Praneeth Vepakomma

In this paper, we propose a self-training approach for automatic speech recognition (ASR) for low-resource settings. While self-training approaches have been extensively developed and evaluated for high-resource languages such as English,…

Computation and Language · Computer Science 2023-08-11 Satwinder Singh , Feng Hou , Ruili Wang

The pre-trained multi-lingual XLSR model generalizes well for language identification after fine-tuning on unseen languages. However, the performance significantly degrades when the languages are not very distinct from each other, for…

Machine Learning · Computer Science 2023-02-17 Shangeth Rajaa , Kriti Anandan , Swaraj Dalmia , Tarun Gupta , Eng Siong Chng

Speech Large Language Models (Speech-LLMs) have emerged as a powerful approach for automatic speech recognition (ASR) by aligning speech encoders with large language models. However, adapting these systems to multilingual settings with…

Computation and Language · Computer Science 2026-03-20 Yuxiang Mei , Delai Qiu , Shengping Liu , Jiaen Liang , Yanhua Long

Multilingual neural machine translation models support fine-tuning hundreds of languages simultaneously. However, fine-tuning on full parameters solely is inefficient potentially leading to negative interactions among languages. In this…

Computation and Language · Computer Science 2024-09-10 Zhe Cao , Zhi Qu , Hidetaka Kamigaito , Taro Watanabe

This review examines recent advances in Parameter-Efficient Fine-Tuning (PEFT), with a focus on Low-Rank Adaptation (LoRA), to optimize Retrieval-Augmented Generation (RAG) systems like Qwen3, DeepSeek, and Kimi. These systems face…

Computation and Language · Computer Science 2025-08-13 David Santandreu Calonge , Linda Smail

Mixture-of-experts based acoustic models with dynamic routing mechanisms have proved promising results for speech recognition. The design principle of router architecture is important for the large model capacity and high computational…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-24 Zhao You , Shulin Feng , Dan Su , Dong Yu

In automatic speech recognition (ASR) rescoring, the hypothesis with the fewest errors should be selected from the n-best list using a language model (LM). However, LMs are usually trained to maximize the likelihood of correct word…

Computation and Language · Computer Science 2021-10-06 Hayato Futami , Hirofumi Inaguma , Masato Mimura , Shinsuke Sakai , Tatsuya Kawahara

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

Despite the recent advancements in Automatic Speech Recognition (ASR), the recognition of accented speech still remains a dominant problem. In order to create more inclusive ASR systems, research has shown that the integration of accent…

Computation and Language · Computer Science 2023-05-30 Juan Zuluaga-Gomez , Sara Ahmed , Danielius Visockas , Cem Subakan

Low-Rank Adaptation (LoRA) has emerged as a popular parameter-efficient fine-tuning (PEFT) method for Large Language Models (LLMs), yet it still incurs notable overhead and suffers from parameter interference in multi-task scenarios. We…

Machine Learning · Computer Science 2025-08-05 Juzheng Zhang , Jiacheng You , Ashwinee Panda , Tom Goldstein

The rapid development of Large Language Models (LLMs) has been pivotal in advancing AI, with pre-trained LLMs being adaptable to diverse downstream tasks through fine-tuning. Federated learning (FL) further enhances fine-tuning in a…

Machine Learning · Computer Science 2024-09-11 Ziyao Wang , Zheyu Shen , Yexiao He , Guoheng Sun , Hongyi Wang , Lingjuan Lyu , Ang Li

LLM-based ASR overcomes multilingual data scarcity by projecting speech representations into the LLM space to leverage its robust semantic and reasoning capabilities. However, while previous approaches typically enhance performance by…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-05 Junjie Li , Jing Peng , Yangui Fang , Shuai Wang , Kai Yu

In automated pronunciation assessment, recent emphasis progressively lies on evaluating multiple aspects to provide enriched feedback. However, acquiring multi-aspect-score labeled data for non-native language learners' speech poses…

Computation and Language · Computer Science 2024-06-25 Heejin Do , Wonjun Lee , Gary Geunbae Lee

Transcription of aviation communications has several applications, from assisting air traffic controllers in identifying the accuracy of read-back errors to search and rescue operations. Recent advances in artificial intelligence have…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-01 Shokoufeh Mirzaei , Jesse Arzate , Yukti Vijay

We propose a first step toward multilingual end-to-end automatic speech recognition (ASR) by integrating knowledge about speech articulators. The key idea is to leverage a rich set of fundamental units that can be defined "universally"…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-19 Hao Yen , Sabato Marco Siniscalchi , Chin-Hui Lee