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Researchers working on low-resource languages face persistent challenges due to limited data availability and restricted access to computational resources. Although most large language models (LLMs) are predominantly trained in…

Computation and Language · Computer Science 2025-05-27 Odunayo Ogundepo , Akintunde Oladipo , Kelechi Ogueji , Esther Adenuga , David Ifeoluwa Adelani , Jimmy Lin

The prevalence of the powerful multilingual models, such as Whisper, has significantly advanced the researches on speech recognition. However, these models often struggle with handling the code-switching setting, which is essential in…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-15 Bobbi Aditya , Mahdin Rohmatillah , Liang-Hsuan Tai , Jen-Tzung Chien

Multilingual end-to-end (E2E) models have shown great promise in expansion of automatic speech recognition (ASR) coverage of the world's languages. They have shown improvement over monolingual systems, and have simplified training and…

Audio and Speech Processing · Electrical Eng. & Systems 2019-09-13 Anjuli Kannan , Arindrima Datta , Tara N. Sainath , Eugene Weinstein , Bhuvana Ramabhadran , Yonghui Wu , Ankur Bapna , Zhifeng Chen , Seungji Lee

The use of phonological features (PFs) potentially allows language-specific phones to remain linked in training, which is highly desirable for information sharing for multilingual and crosslingual speech recognition methods for…

Computation and Language · Computer Science 2021-11-02 Chengrui Zhu , Keyu An , Huahuan Zheng , Zhijian Ou

Spoken language understanding (SLU) treats automatic speech recognition (ASR) and natural language understanding (NLU) as a unified task and usually suffers from data scarcity. We exploit an ASR and NLU joint training method based on meta…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-28 Yingying Gao , Junlan Feng , Chao Deng , Shilei Zhang

We investigate the efficiency of two very different spoken term detection approaches for transcription when the available data is insufficient to train a robust ASR system. This work is grounded in very low-resource language documentation…

Computation and Language · Computer Science 2021-06-14 Éric Le Ferrand , Steven Bird , Laurent Besacier

Automatic speech recognition (ASR) is a relevant area in multiple settings because it provides a natural communication mechanism between applications and users. ASRs often fail in environments that use language specific to particular…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-16 Rafael Viana-Cámara , Mario Campos-Soberanis , Diego Campos-Sobrino

In this paper, we present our overall efforts to improve the performance of a code-switching speech recognition system using semi-supervised training methods from lexicon learning to acoustic modeling, on the South East Asian…

Computation and Language · Computer Science 2018-06-19 Pengcheng Guo , Haihua Xu , Lei Xie , Eng Siong Chng

We propose an attention-enabled encoder-decoder model for the problem of grapheme-to-phoneme conversion. Most previous work has tackled the problem via joint sequence models that require explicit alignments for training. In contrast, the…

Computation and Language · Computer Science 2016-10-21 Shubham Toshniwal , Karen Livescu

Recently, pioneer work finds that speech pre-trained models can solve full-stack speech processing tasks, because the model utilizes bottom layers to learn speaker-related information and top layers to encode content-related information.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-17 Chengyi Wang , Yu Wu , Sanyuan Chen , Shujie Liu , Jinyu Li , Yao Qian , Zhenglu Yang

ASR has been shown to achieve great performance recently. However, most of them rely on massive paired data, which is not feasible for low-resource languages worldwide. This paper investigates how to learn directly from unpaired phone…

Sound · Computer Science 2022-08-01 Da-rong Liu , Po-chun Hsu , Yi-chen Chen , Sung-feng Huang , Shun-po Chuang , Da-yi Wu , Hung-yi Lee

To let the state-of-the-art end-to-end ASR model enjoy data efficiency, as well as much more unpaired text data by multi-modal training, one needs to address two problems: 1) the synchronicity of feature sampling rates between speech and…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-02 Yuhang Yang , Haihua Xu , Hao Huang , Eng Siong Chng , Sheng Li

Recent advances in automatic speech recognition (ASR) have combined speech encoders with large language models (LLMs) through projection, forming Speech LLMs with strong performance. However, adapting them to new domains remains…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-24 Yangui Fang , Jing Peng , Xu Li , Yu Xi , Chengwei Zhang , Guohui Zhong , Kai Yu

Sequence-to-sequence (seq2seq) models are competitive with hybrid models for automatic speech recognition (ASR) tasks when large amounts of training data are available. However, data sparsity and domain adaptation are more problematic for…

Computation and Language · Computer Science 2021-06-16 Chak-Fai Li , Francis Keith , William Hartmann , Matthew Snover , Owen Kimball

Self-supervised representation learning (SSRL) has demonstrated superior performance than supervised models for tasks including phoneme recognition. Training SSRL models poses a challenge for low-resource languages where sufficient…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-02 Asad Ullah , Alessandro Ragano , Andrew Hines

We present a phoneme-level analysis of automatic speech recognition (ASR) for two low-resourced and phonologically complex East Caucasian languages, Archi and Rutul, based on curated and standardized speech-transcript resources totaling…

Computation and Language · Computer Science 2026-04-21 V. S. D. S. Mahesh Akavarapu , Michael Daniel , Gerhard Jäger

Building language-universal speech recognition systems entails producing phonological units of spoken sound that can be shared across languages. While speech annotations at the language-specific phoneme or surface levels are readily…

Computation and Language · Computer Science 2021-07-27 Brian Yan , Siddharth Dalmia , David R. Mortensen , Florian Metze , Shinji Watanabe

This paper explores the use of Hybrid CTC/Attention encoder-decoder models trained with Intermediate CTC (InterCTC) for Irish (Gaelic) low-resource speech recognition (ASR) and dialect identification (DID). Results are compared to the…

Computation and Language · Computer Science 2024-05-03 Liam Lonergan , Mengjie Qian , Neasa Ní Chiaráin , Christer Gobl , Ailbhe Ní Chasaide

Automatic Speech Recognition (ASR) systems remain prone to errors that affect downstream applications. In this paper, we propose LIR-ASR, a heuristic optimized iterative correction framework using LLMs, inspired by human auditory…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-23 Yutong Liu , Ziyue Zhang , Cheng Huang , Yongbin Yu , Xiangxiang Wang , Yuqing Cai , Nyima Tashi

Building a universal multilingual automatic speech recognition (ASR) model that performs equitably across languages has long been a challenge due to its inherent difficulties. To address this task we introduce a Language-Agnostic…

Computation and Language · Computer Science 2025-10-24 Sangmin Lee , Woo-Jin Chung , Hong-Goo Kang