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Related papers: Accent Recognition with Hybrid Phonetic Features

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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

Conversational speech normally is embodied with loose syntactic structures at the utterance level but simultaneously exhibits topical coherence relations across consecutive utterances. Prior work has shown that capturing longer context…

Computation and Language · Computer Science 2022-06-02 Bi-Cheng Yan , Hsin-Wei Wang , Shih-Hsuan Chiu , Hsuan-Sheng Chiu , Berlin Chen

Recent work has shown that it is possible to train a single model to perform joint acoustic echo cancellation (AEC), speech enhancement, and voice separation, thereby serving as a unified frontend for robust automatic speech recognition…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-15 Tom O'Malley , Arun Narayanan , Quan Wang

Automatic speech recognition (ASR) systems remain brittle on dysarthric and other atypical speech. Recent audio-language models raise the possibility of improving performance by conditioning on additional clinical context at inference time,…

Artificial Intelligence · Computer Science 2026-05-05 Pehuén Moure , Niclas Pokel , Bilal Bounajma , Yingqiang Gao , Roman Boehringer , Longbiao Cheng , Shih-Chii Liu

Many existing works on voice conversion (VC) tasks use automatic speech recognition (ASR) models for ensuring linguistic consistency between source and converted samples. However, for the low-data resource domains, training a high-quality…

Sound · Computer Science 2023-05-25 Mayank Kumar Singh , Naoya Takahashi , Onoe Naoyuki

The performance of automatic speech recognition (ASR) has improved tremendously due to the application of deep neural networks (DNNs). Despite this progress, building a new ASR system remains a challenging task, requiring various resources,…

Computation and Language · Computer Science 2015-10-20 Yajie Miao , Mohammad Gowayyed , Florian Metze

Quantifying the confidence (or conversely the uncertainty) of a prediction is a highly desirable trait of an automatic system, as it improves the robustness and usefulness in downstream tasks. In this paper we investigate confidence…

Audio and Speech Processing · Electrical Eng. & Systems 2021-01-15 Dan Oneata , Alexandru Caranica , Adriana Stan , Horia Cucu

End-to-end automatic speech recognition (ASR) systems are increasingly popular due to their relative architectural simplicity and competitive performance. However, even though the average accuracy of these systems may be high, the…

Computation and Language · Computer Science 2021-09-14 Chao-Han Huck Yang , Linda Liu , Ankur Gandhe , Yile Gu , Anirudh Raju , Denis Filimonov , Ivan Bulyko

End-to-end models have achieved impressive results on the task of automatic speech recognition (ASR). For low-resource ASR tasks, however, labeled data can hardly satisfy the demand of end-to-end models. Self-supervised acoustic…

Computation and Language · Computer Science 2021-05-12 Cheng Yi , Shiyu Zhou , Bo Xu

End-to-End Automatic Speech Recognition (ASR) has advanced significantly yet still struggles with rare and domain-specific entities. This paper introduces a simple yet efficient prompt-based biasing technique for contextualized ASR,…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Bo Ren , Yu Shi , Jinyu Li

The variety of accents has posed a big challenge to speech recognition. The Accented English Speech Recognition Challenge (AESRC2020) is designed for providing a common testbed and promoting accent-related research. Two tracks are set in…

Sound · Computer Science 2021-02-23 Xian Shi , Fan Yu , Yizhou Lu , Yuhao Liang , Qiangze Feng , Daliang Wang , Yanmin Qian , Lei Xie

Jitter and shimmer measurements have shown to be carriers of voice quality and prosodic information which enhance the performance of tasks like speaker recognition, diarization or automatic speech recognition (ASR). However, such features…

Computation and Language · Computer Science 2021-12-22 Guillermo Cámbara , Jordi Luque , Mireia Farrús

Recently, Automatic Speech Recognition (ASR) systems (e.g., Whisper) have achieved remarkable accuracy improvements but remain highly sensitive to real-world unseen data (data with large distribution shifts), including noisy environments…

Sound · Computer Science 2026-03-06 Linghan Fang , Tianxin Xie , Li Liu

A long-standing question in automatic speech recognition research is how to attribute errors to the ability of a model to model the acoustics, versus its ability to leverage higher-order context (lexicon, morphology, syntax, semantics). We…

Computation and Language · Computer Science 2024-10-08 Sean Robertson , Gerald Penn , Ewan Dunbar

Effective speech representations for spoken language models must balance semantic relevance with acoustic fidelity for high-quality reconstruction. However, existing approaches struggle to achieve both simultaneously. To address this, we…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Amir Hussein , Sameer Khurana , Gordon Wichern , Francois G. Germain , Jonathan Le Roux

We consider the problem of recognizing speech utterances spoken to a device which is generating a known sound waveform; for example, recognizing queries issued to a digital assistant which is generating responses to previous user inputs.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-03 Nathan Howard , Alex Park , Turaj Zakizadeh Shabestary , Alexander Gruenstein , Rohit Prabhavalkar

Text encodings from automatic speech recognition (ASR) transcripts and audio representations have shown promise in speech emotion recognition (SER) ever since. Yet, it is challenging to explain the effect of each information stream on the…

Automatic accent identification (AID) remains a challenging task due to the complex variability of accents, the entanglement of accent cues with speaker traits, and the scarcity of reliable accentlabelled data. To address these challenges,…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Rayane Bakari , Olivier Le Blouch , Nicolas Gengembre , Nicholas Evans

In the realm of automatic speech recognition (ASR), robustness in noisy environments remains a significant challenge. Recent ASR models, such as Whisper, have shown promise, but their efficacy in noisy conditions can be further enhanced.…

Sound · Computer Science 2024-06-28 Yehoshua Dissen , Shiry Yonash , Israel Cohen , Joseph Keshet

A new label smoothing method that makes use of prior knowledge of a language at human level, homophone, is proposed in this paper for automatic speech recognition (ASR). Compared with its forerunners, the proposed method uses pronunciation…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-15 Yi Zheng , Xianjie Yang , Xuyong Dang