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The scarcity of high-quality annotated data presents a significant challenge in developing effective end-to-end speech-to-text translation (ST) systems, particularly for low-resource languages. This paper explores the hypothesis that weakly…

Computation and Language · Computer Science 2025-06-23 Aishwarya Pothula , Bhavana Akkiraju , Srihari Bandarupalli , Charan D , Santosh Kesiraju , Anil Kumar Vuppala

Recently, masked prediction pre-training has seen remarkable progress in self-supervised learning (SSL) for speech recognition. It usually requires a codebook obtained in an unsupervised way, making it less accurate and difficult to…

Computation and Language · Computer Science 2022-06-22 Chengyi Wang , Yiming Wang , Yu Wu , Sanyuan Chen , Jinyu Li , Shujie Liu , Furu Wei

Towards developing high-performing ASR for low-resource languages, approaches to address the lack of resources are to make use of data from multiple languages, and to augment the training data by creating acoustic variations. In this work…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-10 Chunxi Liu , Qiaochu Zhang , Xiaohui Zhang , Kritika Singh , Yatharth Saraf , Geoffrey Zweig

Machine translation in low-resource language pairs faces significant challenges due to the scarcity of parallel corpora and linguistic resources. This study focuses on the case of English-Marathi language pairs, where existing datasets are…

Computation and Language · Computer Science 2024-09-05 Nidhi Kowtal , Tejas Deshpande , Raviraj Joshi

With recent rapid growth of large language models (LLMs), discrete speech tokenization has played an important role for injecting speech into LLMs. However, this discretization gives rise to a loss of information, consequently impairing…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-23 Zhichao Huang , Chutong Meng , Tom Ko

Automatic Speech Recognition (ASR) technology has witnessed significant advancements in recent years, revolutionizing human-computer interactions. While major languages have benefited from these developments, lesser-resourced languages like…

Computation and Language · Computer Science 2024-11-25 Muhammad Sharif , Zeeshan Abbas , Jiangyan Yi , Chenglin Liu

Code-switching automatic speech recognition (CS-ASR) presents unique challenges due to language confusion introduced by spontaneous intra-sentence switching and accent bias that blurs the phonetic boundaries. Although the constituent…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-18 Hexin Liu , Haoyang Zhang , Qiquan Zhang , Xiangyu Zhang , Dongyuan Shi , Eng Siong Chng , Haizhou Li

Building automatic speech recognition (ASR) systems is a challenging task, especially for under-resourced languages that need to construct corpora nearly from scratch and lack sufficient training data. It has emerged that several African…

Computation and Language · Computer Science 2022-11-01 Ebbie Awino , Lilian Wanzare , Lawrence Muchemi , Barack Wanjawa , Edward Ombui , Florence Indede , Owen McOnyango , Benard Okal

With the advancement of speech synthesis technology, users have higher expectations for the naturalness and expressiveness of synthesized speech. But previous research ignores the importance of prompt selection. This study proposes a…

Sound · Computer Science 2025-04-15 Dan Luo , Chengyuan Ma , Weiqin Li , Jun Wang , Wei Chen , Zhiyong Wu

Spoken dialog systems are slowly becoming and integral part of the human experience due to their various advantages over textual interfaces. Spoken language understanding (SLU) systems are fundamental building blocks of spoken dialog…

Computation and Language · Computer Science 2022-05-26 Akshat Gupta

Multi-speaker singing voice synthesis is to generate the singing voice sung by different speakers. To generalize to new speakers, previous zero-shot singing adaptation methods obtain the timbre of the target speaker with a fixed-size…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-12 Shoutong Wang , Jinglin Liu , Yi Ren , Zhen Wang , Changliang Xu , Zhou Zhao

Recently, sequence-to-sequence (seq-to-seq) models have been successfully applied in text-to-speech (TTS) to synthesize speech for single-language text. To synthesize speech for multiple languages usually requires multi-lingual speech from…

Sound · Computer Science 2022-11-18 Haitong Zhang , Yue Lin

Aiming at reducing the reliance on expensive human annotations, data synthesis for Automatic Speech Recognition (ASR) has remained an active area of research. While prior work mainly focuses on synthetic speech generation for ASR data…

We propose a simple and effective strategy for data augmentation for low-resource machine reading comprehension (MRC). Our approach first pretrains the answer extraction components of a MRC system on the augmented data that contains…

Computation and Language · Computer Science 2021-06-09 Hoang Van , Vikas Yadav , Mihai Surdeanu

This paper investigates sequence-to-sequence Transformer models for automatic speech recognition (ASR) error correction in low-resource Burmese, focusing on different feature integration strategies including IPA and alignment information.…

Computation and Language · Computer Science 2025-11-27 Ye Bhone Lin , Thura Aung , Ye Kyaw Thu , Thazin Myint Oo

Post-editing in Automatic Speech Recognition (ASR) entails automatically correcting common and systematic errors produced by the ASR system. The outputs of an ASR system are largely prone to phonetic and spelling errors. In this paper, we…

Computation and Language · Computer Science 2022-08-24 Samrat Dutta , Shreyansh Jain , Ayush Maheshwari , Souvik Pal , Ganesh Ramakrishnan , Preethi Jyothi

In this paper we propose a novel data augmentation method for attention-based end-to-end automatic speech recognition (E2E-ASR), utilizing a large amount of text which is not paired with speech signals. Inspired by the back-translation…

Computation and Language · Computer Science 2018-07-31 Tomoki Hayashi , Shinji Watanabe , Yu Zhang , Tomoki Toda , Takaaki Hori , Ramon Astudillo , Kazuya Takeda

Automatic speech recognition (ASR) is critical for language accessibility, yet low-resource Cantonese remains challenging due to limited annotated data, six lexical tones, tone sandhi, and accent variation. Existing ASR models, such as…

Computation and Language · Computer Science 2025-11-07 Dazhong Chen , Yi-Cheng Lin , Yuchen Huang , Ziwei Gong , Di Jiang , Zeying Xie , Yi R. , Fung

Historically lower-level tasks such as automatic speech recognition (ASR) and speaker identification are the main focus in the speech field. Interest has been growing in higher-level spoken language understanding (SLU) tasks recently, like…

Computation and Language · Computer Science 2022-04-25 Lin Yao , Jianfei Song , Ruizhuo Xu , Yingfang Yang , Zijian Chen , Yafeng Deng

Conveying the linguistic content and maintaining the source speech's speaking style, such as intonation and emotion, is essential in voice conversion (VC). However, in a low-resource situation, where only limited utterances from the target…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-15 Zhichao Wang , Xinsheng Wang , Lei Xie , Yuanzhe Chen , Qiao Tian , Yuping Wang