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This paper presents a novel multistage fine-tuning strategy designed to enhance automatic speech recognition (ASR) performance in low-resource languages using OpenAI's Whisper model. In this approach we aim to build ASR model for languages…

Computation and Language · Computer Science 2024-11-08 Leena G Pillai , Kavya Manohar , Basil K Raju , Elizabeth Sherly

Transcribing meetings containing overlapped speech with only a single distant microphone (SDM) has been one of the most challenging problems for automatic speech recognition (ASR). While various approaches have been proposed, all previous…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-14 Naoyuki Kanda , Guoli Ye , Yu Wu , Yashesh Gaur , Xiaofei Wang , Zhong Meng , Zhuo Chen , Takuya Yoshioka

In this paper, the Lingban entry to the third 'CHiME' speech separation and recognition challenge is presented. A time-frequency masking based speech enhancement front-end is proposed to suppress the environmental noise utilizing…

Sound · Computer Science 2015-09-25 Zaihu Pang , Fengyun Zhu

Dysarthric speech recognition faces challenges from severity variations and disparities relative to normal speech. Conventional approaches individually fine-tune ASR models pre-trained on normal speech per patient to prevent feature…

Sound · Computer Science 2025-08-27 Qing Xiao , Yingshan Peng , PeiPei Zhang

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

Vision is often used as a complementary modality for audio speech recognition (ASR), especially in the noisy environment where performance of solo audio modality significantly deteriorates. After combining visual modality, ASR is upgraded…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Bo Xu , Cheng Lu , Yandong Guo , Jacob Wang

Self-supervised learning (SSL) models have achieved considerable improvements in automatic speech recognition (ASR). In addition, ASR performance could be further improved if the model is dedicated to audio content information learning…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-08 Genshun Wan , Tan Liu , Hang Chen , Jia Pan , Cong Liu , Zhongfu Ye

Although modern automatic speech recognition (ASR) systems can achieve high performance, they may produce errors that weaken readers' experience and do harm to downstream tasks. To improve the accuracy and reliability of ASR hypotheses, we…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-11 Jing Du , Shiliang Pu , Qinbo Dong , Chao Jin , Xin Qi , Dian Gu , Ru Wu , Hongwei Zhou

In recent years, the performance of automatic speech recognition (ASR) systems has made considerable progress. Unfortunately, for people with speech impairments, such as people treated for oral cancer (OC), ASR performance is still lagging…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-18 Hidde Folkertsma , Thomas Tienkamp , Sebastiaan de Visscher , Max Witjes , Rob van Son , Jiapan Guo , Bence Mark Halpern

This paper addresses the combination of complementary parallel speech recognition systems to reduce the error rate of speech recognition systems operating in real highly-reverberant environments. First, the testing environment consists of…

Audio and Speech Processing · Electrical Eng. & Systems 2019-06-19 José Novoa , Josué Fredes , Jorge Wuth , Fernando Huenupán , Richard M. Stern , Nestor Becerra Yoma

Automatic speech recognition (ASR) systems often falter while processing stuttering-related disfluencies -- such as involuntary blocks and word repetitions -- yielding inaccurate transcripts. A critical barrier to progress is the scarcity…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-03 Dena Mujtaba , Nihar R. Mahapatra , Megan Arney , J. Scott Yaruss , Caryn Herring , Jia Bin

Speech enhancement (SE) systems are typically evaluated using a variety of instrumental metrics. The use of automatic speech recognition (ASR) systems to evaluate SE performance is common in literature, usually in terms of word error rate…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-13 Danilo de Oliveira , Tal Peer , Timo Gerkmann

Automatic speech recognition (ASR) on multi-talker recordings is challenging. Current methods using 3D spatial data from multi-channel audio and visual cues focus mainly on direct waves from the target speaker, overlooking reflection wave…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Yiwen Shao , Shi-Xiong Zhang , Dong Yu

In multi-channel speech enhancement and robust automatic speech recognition (ASR), beamforming can typically improve the signal-to-noise ratio (SNR) of the target speaker and produce reliable enhancement with little distortion to target…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-22 Zhong-Qiu Wang , Ruizhe Pang

Recently, the end-to-end approach has been successfully applied to multi-speaker speech separation and recognition in both single-channel and multichannel conditions. However, severe performance degradation is still observed in the…

Beamforming has been extensively investigated for multi-channel audio processing tasks. Recently, learning-based beamforming methods, sometimes called \textit{neural beamformers}, have achieved significant improvements in both signal…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-02 Yi Luo , Enea Ceolini , Cong Han , Shih-Chii Liu , Nima Mesgarani

Wearable devices like smart glasses are approaching the compute capability to seamlessly generate real-time closed captions for live conversations. We build on our recently introduced directional Automatic Speech Recognition (ASR) for smart…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-22 Ju Lin , Niko Moritz , Yiteng Huang , Ruiming Xie , Ming Sun , Christian Fuegen , Frank Seide

New-age conversational agent systems perform both speech emotion recognition (SER) and automatic speech recognition (ASR) using two separate and often independent approaches for real-world application in noisy environments. In this paper,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-29 Lokesh Bansal , S. Pavankumar Dubagunta , Malolan Chetlur , Pushpak Jagtap , Aravind Ganapathiraju

Sequence-to-sequence attention-based models integrate an acoustic, pronunciation and language model into a single neural network, which make them very suitable for multilingual automatic speech recognition (ASR). In this paper, we are…

Audio and Speech Processing · Electrical Eng. & Systems 2018-06-15 Shiyu Zhou , Shuang Xu , Bo Xu

We present a comprehensive study of deep bidirectional long short-term memory (LSTM) recurrent neural network (RNN) based acoustic models for automatic speech recognition (ASR). We study the effect of size and depth and train models of up…

Neural and Evolutionary Computing · Computer Science 2019-08-06 Albert Zeyer , Patrick Doetsch , Paul Voigtlaender , Ralf Schlüter , Hermann Ney
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