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We previously proposed contextual spelling correction (CSC) to correct the output of end-to-end (E2E) automatic speech recognition (ASR) models with contextual information such as name, place, etc. Although CSC has achieved reasonable…

Sound · Computer Science 2023-02-23 Xiaoqiang Wang , Yanqing Liu , Jinyu Li , Sheng Zhao

Speech enhancement using neural networks is recently receiving large attention in research and being integrated in commercial devices and applications. In this work, we investigate data augmentation techniques for supervised deep…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-25 Sebastian Braun , Ivan Tashev

Automated speaking assessment (ASA) on opinion expressions is often hampered by the scarcity of labeled recordings, which restricts prompt diversity and undermines scoring reliability. To address this challenge, we propose a novel training…

Computation and Language · Computer Science 2025-09-12 Chung-Chun Wang , Jhen-Ke Lin , Hao-Chien Lu , Hong-Yun Lin , Berlin Chen

This paper explores the potential of leveraging Large Language Models (LLMs) for data augmentation in multilingual commonsense reasoning datasets where the available training data is extremely limited. To achieve this, we utilise several…

Computation and Language · Computer Science 2023-10-24 Chenxi Whitehouse , Monojit Choudhury , Alham Fikri Aji

Automatic Speech Recognition (ASR) systems are often optimized to work best for speakers with canonical speech patterns. Unfortunately, these systems perform poorly when tested on atypical speech and heavily accented speech. It has…

Computation and Language · Computer Science 2021-09-16 Katrin Tomanek , Vicky Zayats , Dirk Padfield , Kara Vaillancourt , Fadi Biadsy

Automatic Speech Recognition (ASR) performance for low-resource languages is still far behind that of higher-resource languages such as English, due to a lack of sufficient labeled data. State-of-the-art methods deploy self-supervised…

Computation and Language · Computer Science 2025-02-10 Reihaneh Amooie , Wietse de Vries , Yun Hao , Jelske Dijkstra , Matt Coler , Martijn Wieling

We present CoDa (Constrained Generation based Data Augmentation), a controllable, effective, and training-free data augmentation technique for low-resource (data-scarce) NLP. Our approach is based on prompting off-the-shelf…

Computation and Language · Computer Science 2024-04-02 Chandra Kiran Reddy Evuru , Sreyan Ghosh , Sonal Kumar , Ramaneswaran S , Utkarsh Tyagi , Dinesh Manocha

Automatic speech recognition (ASR) systems have dramatically improved over the last few years. ASR systems are most often trained from 'typical' speech, which means that underrepresented groups don't experience the same level of…

In this work, we focus on intrasentential code-mixing and propose several different Synthetic Code-Mixing (SCM) data augmentation methods that outperform the baseline on downstream sentiment analysis tasks across various amounts of labeled…

Computation and Language · Computer Science 2022-11-15 Shuyue Stella Li , Kenton Murray

This paper enhances dysarthric and dysphonic speech recognition by fine-tuning pretrained automatic speech recognition (ASR) models on the 2023-10-05 data package of the Speech Accessibility Project (SAP), which contains the speech of 253…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-01 Xiuwen Zheng , Bornali Phukon , Mark Hasegawa-Johnson

In this work we investigate the impact of applying textual data augmentation tasks to low resource machine translation. There has been recent interest in investigating approaches for training systems for languages with limited resources and…

Computation and Language · Computer Science 2023-06-14 Catherine Gitau , VUkosi Marivate

Data augmentation has been an important ingredient for boosting performances of learned models. Prior data augmentation methods for few-shot text classification have led to great performance boosts. However, they have not been designed to…

Computation and Language · Computer Science 2021-12-23 Hazel Kim , Daecheol Woo , Seong Joon Oh , Jeong-Won Cha , Yo-Sub Han

This paper describes the SPAPL system for the INTERSPEECH 2021 Challenge: Shared Task on Automatic Speech Recognition for Non-Native Children's Speech in German. ~ 5 hours of transcribed data and ~ 60 hours of untranscribed data are…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-21 Jinhan Wang , Yunzheng Zhu , Ruchao Fan , Wei Chu , Abeer Alwan

We propose a simple yet novel data augmentation method for general data modalities based on energy-based modeling and principles from information geometry. Unlike most existing learning-based data augmentation methods, which rely on…

Machine Learning · Computer Science 2026-01-28 Pingbang Hu , Mahito Sugiyama

Data augmentation via voice conversion (VC) has been successfully applied to low-resource expressive text-to-speech (TTS) when only neutral data for the target speaker are available. Although the quality of VC is crucial for this approach,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-06 Ryo Terashima , Ryuichi Yamamoto , Eunwoo Song , Yuma Shirahata , Hyun-Wook Yoon , Jae-Min Kim , Kentaro Tachibana

Math Word Problem (MWP) solving presents a challenging task in Natural Language Processing (NLP). This study aims to provide MWP solvers with a more diverse training set, ultimately improving their ability to solve various math problems. We…

Computation and Language · Computer Science 2024-05-02 Gulsum Yigit , Mehmet Fatih Amasyali

This paper addresses the problem of improving speech recognition accuracy with lattice rescoring in low-resource languages where the baseline language model is insufficient for generating inclusive lattices. We minimally augment the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-19 Savitha Murthy , Dinkar Sitaram

End-to-end models have achieved significant improvement on automatic speech recognition. One common method to improve performance of these models is expanding the data-space through data augmentation. Meanwhile, human auditory inspired…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-12 Zehai Tu , Jack Deadman , Ning Ma , Jon Barker

Hypernasality is an abnormal resonance in human speech production, especially in patients with craniofacial anomalies such as cleft palate. In clinical application, hypernasality estimation is crucial in cleft palate diagnosis, as its…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-11 Kaitao Song , Teng Wan , Bixia Wang , Huiqiang Jiang , Luna Qiu , Jiahang Xu , Liping Jiang , Qun Lou , Yuqing Yang , Dongsheng Li , Xudong Wang , Lili Qiu

Many neural text-to-speech architectures can synthesize nearly natural speech from text inputs. These architectures must be trained with tens of hours of annotated and high-quality speech data. Compiling such large databases for every new…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-21 Kishor Kayyar Lakshminarayana , Christian Dittmar , Nicola Pia , Emanuël Habets