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Although the advancements of pre-trained Large Language Models have significantly accelerated recent progress in NLP, their ever-increasing size poses significant challenges for conventional fine-tuning, especially in memory-intensive…

Computation and Language · Computer Science 2024-04-02 Chenxi Whitehouse , Fantine Huot , Jasmijn Bastings , Mostafa Dehghani , Chu-Cheng Lin , Mirella Lapata

New-age conversational agent systems perform both speech emotion recognition (SER) and automatic speech recognition (ASR) using two separate and often independent approaches for real-world application in noisy environments. In this paper,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-29 Lokesh Bansal , S. Pavankumar Dubagunta , Malolan Chetlur , Pushpak Jagtap , Aravind Ganapathiraju

Parameter-efficient fine-tuning (PEFT) is essential for adapting large language models (LLMs), with low-rank adaptation (LoRA) being the most popular approach. However, LoRA suffers from slow convergence, and some recent LoRA variants, such…

Computation and Language · Computer Science 2025-02-21 Chenlu Guo , Yuan Wu , Yi Chang

Noise-robust automatic speech recognition (ASR) has been commonly addressed by applying speech enhancement (SE) at the waveform level before recognition. However, speech-level enhancement does not always translate into consistent…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-09 Da-Hee Yang , Joon-Hyuk Chang

Parameter-efficient fine-tuning (PEFT) has become a practical route for adapting large language models to downstream tasks, with LoRA-style methods being particularly attractive because they are inexpensive to train and easy to deploy. Most…

Machine Learning · Computer Science 2026-05-12 Yihang Peng , Peng Jin , Jie Gong , Xingyuan Chen , Lingjiao Xu , Ning Su , Yan Ran

Despite the efficacy of network sparsity in alleviating the deployment strain of Large Language Models (LLMs), it endures significant performance degradation. Applying Low-Rank Adaptation (LoRA) to fine-tune the sparse LLMs offers an…

Machine Learning · Computer Science 2025-02-21 Weizhong Huang , Yuxin Zhang , Xiawu Zheng , Yang Liu , Jing Lin , Yiwu Yao , Rongrong Ji

Low-Rank Adaptation (LoRA) enables parameter-efficient fine-tuning of Large Language Models (LLMs), and recent Mixture-of-Experts (MoE) extensions further enhance flexibility by dynamically combining multiple LoRA experts. However, existing…

Machine Learning · Computer Science 2026-04-14 Lin Mu , Haiyang Wang , Li Ni , Lei Sang , Zhize Wu , Peiquan Jin , Yiwen Zhang

Speech Recognition (ASR) due to phoneme distortions and high variability. While self-supervised ASR models like Wav2Vec, HuBERT, and Whisper have shown promise, their effectiveness in dysarthric speech remains unclear. This study…

Sound · Computer Science 2025-08-12 Ahmed Aboeitta , Ahmed Sharshar , Youssef Nafea , Shady Shehata

Existing research suggests that automatic speech recognition (ASR) models can benefit from additional contexts (e.g., contact lists, user specified vocabulary). Rare words and named entities can be better recognized with contexts. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-16 Ruizhe Huang , Mahsa Yarmohammadi , Sanjeev Khudanpur , Daniel Povey

The common standard for quality evaluation of automatic speech recognition (ASR) systems is reference-based metrics such as the Word Error Rate (WER), computed using manual ground-truth transcriptions that are time-consuming and expensive…

Computation and Language · Computer Science 2023-06-26 Kamer Ali Yuksel , Thiago Ferreira , Ahmet Gunduz , Mohamed Al-Badrashiny , Golara Javadi

In this paper, we introduce a method for fine-tuning Large Language Models (LLMs), inspired by Multi-Task learning in a federated manner. Our approach leverages the structure of each client's model and enables a learning scheme that…

Machine Learning · Computer Science 2024-10-22 Ahmed Elbakary , Chaouki Ben Issaid , Tamer ElBatt , Karim Seddik , Mehdi Bennis

Pre-trained transformer-based models have significantly advanced automatic speech recognition (ASR), yet they remain sensitive to accent and dialectal variations, resulting in elevated word error rates (WER) in linguistically diverse…

Computation and Language · Computer Science 2025-10-13 Mohammad Hossein Sameti , Sepehr Harfi Moridani , Ali Zarean , Hossein Sameti

Low-rank adaptation (LoRA) is a fine-tuning technique that can be applied to conditional generative diffusion models. LoRA utilizes a small number of context examples to adapt the model to a specific domain, character, style, or concept.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Artur Kasymov , Marcin Sendera , Michał Stypułkowski , Maciej Zięba , Przemysław Spurek

Low resource automatic speech recognition (ASR) is a useful but thorny task, since deep learning ASR models usually need huge amounts of training data. The existing models mostly established a bottleneck (BN) layer by pre-training on a…

Computation and Language · Computer Science 2022-05-31 Jian Luo , Jianzong Wang , Ning Cheng , Zhenpeng Zheng , Jing Xiao

Foundation ASR models often support many languages, e.g. 100 languages in Whisper. However, there has been limited work on integrating an additional, typically low-resource, language, while maintaining performance on the original language…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-25 Mengjie Qian , Siyuan Tang , Rao Ma , Kate M. Knill , Mark J. F. Gales

Low-Rank Adaptation (LoRA) is an efficient fine-tuning method that has been extensively applied in areas such as natural language processing and computer vision. Existing LoRA fine-tuning approaches excel in static environments but struggle…

Machine Learning · Computer Science 2025-02-26 Xin Zhang , Liang Bai , Xian Yang , Jiye Liang

Fine-tuning pre-trained large language models in a parameter-efficient manner is widely studied for its effectiveness and efficiency. LoRA is one of the most widely used methods, which assumes that the optimization process is essentially…

Computation and Language · Computer Science 2024-12-16 Changqun Li , Chaofan Ding , Kexin Luan , Xinhan Di

Speech accents present a serious challenge to the performance of state-of-the-art end-to-end Automatic Speech Recognition (ASR) systems. Even with self-supervised learning and pre-training of ASR models, accent invariance is seldom…

Computation and Language · Computer Science 2024-07-08 Darshan Prabhu , Abhishek Gupta , Omkar Nitsure , Preethi Jyothi , Sriram Ganapathy

Fine-tuning helps large language models (LLM) recover degraded information and enhance task performance. Although Low-Rank Adaptation (LoRA) is widely used and effective for fine-tuning, we have observed that its scaling factor can limit or…

Machine Learning · Computer Science 2025-01-14 Jun Liu , Zhenglun Kong , Peiyan Dong , Changdi Yang , Xuan Shen , Pu Zhao , Hao Tang , Geng Yuan , Wei Niu , Wenbin Zhang , Xue Lin , Dong Huang , Yanzhi Wang

Accented automatic speech recognition (ASR) often degrades due to the limited availability of accented training data. Prior work has explored accent modeling in low-resource settings, but existing approaches typically require minutes to…