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Data augmentations are known to improve robustness in speech-processing tasks. In this study, we summarize and compare different data augmentation strategies using S3PRL toolkit. We explore how HuBERT and wav2vec perform using different…

Sound · Computer Science 2024-04-01 Mina Huh , Ruchira Ray , Corey Karnei

Dysarthric speech recognition (DSR) enhances the accessibility of smart devices for dysarthric speakers with limited mobility. Previously, DSR research was constrained by the fact that existing datasets typically consisted of isolated…

Sound · Computer Science 2025-07-01 Shiyao Wang , Jiaming Zhou , Shiwan Zhao , Yong Qin

Data-intensive fine-tuning of speech foundation models (SFMs) to scarce and diverse dysarthric and elderly speech leads to data bias and poor generalization to unseen speakers. This paper proposes novel structured speaker-deficiency…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-30 Shujie Hu , Xurong Xie , Mengzhe Geng , Jiajun Deng , Zengrui Jin , Tianzi Wang , Mingyu Cui , Guinan Li , Zhaoqing Li , Helen Meng , Xunying Liu

Dysarthric speech reconstruction is challenging due to its pathological sound patterns. Preserving speaker identity, especially without access to normal speech, is a key challenge. Our proposed approach uses contrastive learning to extract…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-08 Keshvari Fatemeh , Mahdian Toroghi Rahil , Zareian Hassan

State-of-the-art automatic speech recognition (ASR) systems perform well on healthy speech. However, the performance on impaired speech still remains an issue. The current study explores the usefulness of using Wav2Vec self-supervised…

Computation and Language · Computer Science 2022-04-05 Abner Hernandez , Paula Andrea Pérez-Toro , Elmar Nöth , Juan Rafael Orozco-Arroyave , Andreas Maier , Seung Hee Yang

This paper proposes a novel linear prediction coding-based data aug-mentation method for children's low and zero resource dialect ASR. The data augmentation procedure consists of perturbing the formant peaks of the LPC spectrum during LPC…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-23 Alexander Johnson , Ruchao Fan , Robin Morris , Abeer Alwan

Dysarthric speech recognition is a challenging task as dysarthric data is limited and its acoustics deviate significantly from normal speech. Model-based speaker adaptation is a promising method by using the limited dysarthric speech to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-04 Disong Wang , Jianwei Yu , Xixin Wu , Lifa Sun , Xunying Liu , Helen Meng

The performance of state-of-the-art speech enhancement (SE) models considerably degrades for pathological speech due to atypical acoustic characteristics and limited data availability. This paper systematically investigates data…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-25 Mingchi Hou , Enno Hermann , Ina Kodrasi

While the use of deep neural networks has significantly boosted speaker recognition performance, it is still challenging to separate speakers in poor acoustic environments. Here speech enhancement methods have traditionally allowed improved…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-28 Yanpei Shi , Qiang Huang , Thomas Hain

This paper investigates a self-adaptation method for speech enhancement using auxiliary speaker-aware features; we extract a speaker representation used for adaptation directly from the test utterance. Conventional studies of deep neural…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-17 Yuma Koizumi , Kohei Yatabe , Marc Delcroix , Yoshiki Masuyama , Daiki Takeuchi

Data augmentation is conventionally used to inject robustness in Speaker Verification systems. Several recently organized challenges focus on handling novel acoustic environments. Deep learning based speech enhancement is a modern solution…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-29 Saurabh Kataria , Phani Sankar Nidadavolu , Jesús Villalba , Najim Dehak

This study investigates the performance of personalized automatic speech recognition (ASR) for recognizing disordered speech using small amounts of per-speaker adaptation data. We trained personalized models for 195 individuals with…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-12 Jimmy Tobin , Katrin Tomanek

Data augmentation is a technique to generate new training data based on existing data. We evaluate the simple and cost-effective method of concatenating the original data examples to build new training instances. Continued training with…

Computation and Language · Computer Science 2023-06-12 Tsz Kin Lam , Shigehiko Schamoni , Stefan Riezler

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

Stuttering is a neuro-developmental speech impairment characterized by uncontrolled utterances (interjections) and core behaviors (blocks, repetitions, and prolongations), and is caused by the failure of speech sensorimotors. Due to its…

Sound · Computer Science 2023-02-23 Shakeel A. Sheikh , Md Sahidullah , Fabrice Hirsch , Slim Ouni

Data augmentation is a widely adopted technique utilized to improve the robustness of automatic speech recognition (ASR). Employing a fixed data augmentation strategy for all training data is a common practice. However, it is important to…

Sound · Computer Science 2024-12-03 Hongxuan Lu , Biao Li

Speech impairments resulting from congenital disorders, such as cerebral palsy, down syndrome, or apert syndrome, as well as acquired brain injuries due to stroke, traumatic accidents, or tumors, present major challenges to automatic speech…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-17 Niclas Pokel , Pehuén Moure , Roman Boehringer , Shih-Chii Liu , Yingqiang Gao

Speech technology has improved greatly for norm speakers, i.e., adult native speakers of a language without speech impediments or strong accents. However, non-norm or diverse speaker groups show a distinct performance gap with norm…

Computation and Language · Computer Science 2023-07-06 Tanvina Patel , Odette Scharenborg

In Speech Emotion Recognition (SER), emotional characteristics often appear in diverse forms of energy patterns in spectrograms. Typical attention neural network classifiers of SER are usually optimized on a fixed attention granularity. In…

Sound · Computer Science 2021-02-04 Mingke Xu , Fan Zhang , Xiaodong Cui , Wei Zhang

Although many Automatic Speech Recognition (ASR) systems have been developed for Modern Standard Arabic (MSA) and Dialectal Arabic (DA), few studies have focused on dialect-specific implementations, particularly for low-resource Arabic…

Computation and Language · Computer Science 2026-01-13 Ayman Mansour