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This paper considers the impact of automatic segmentation on the fully-automatic, semi-supervised training of automatic speech recognition (ASR) systems for five-lingual code-switched (CS) speech. Four automatic segmentation techniques were…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-15 N. Wilkinson , A. Biswas , E. Yılmaz , F. de Wet , E. van der Westhuizen , T. R. Niesler

A common question being raised in automatic speech recognition (ASR) evaluations is how reliable is an observed word error rate (WER) improvement comparing two ASR systems, where statistical hypothesis testing and confidence interval (CI)…

Machine Learning · Statistics 2020-05-22 Zhe Liu , Fuchun Peng

Neural contextual biasing effectively improves automatic speech recognition (ASR) for crucial phrases within a speaker's context, particularly those that are infrequent in the training data. This work proposes contextual text injection…

Computation and Language · Computer Science 2024-06-12 Zhong Meng , Zelin Wu , Rohit Prabhavalkar , Cal Peyser , Weiran Wang , Nanxin Chen , Tara N. Sainath , Bhuvana Ramabhadran

Conventional far-field automatic speech recognition (ASR) systems typically employ microphone array techniques for speech enhancement in order to improve robustness against noise or reverberation. However, such speech enhancement techniques…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-23 Minhua Wu , Kenichi Kumatani , Shiva Sundaram , Nikko Strom , Bjorn Hoffmeister

An accurate objective speech intelligibility prediction algorithms is of great interest for many applications such as speech enhancement for hearing aids. Most algorithms measures the signal-to-noise ratios or correlations between the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-07 Zehai Tu , Ning Ma , Jon Barker

This paper describes methods for evaluating automatic speech recognition (ASR) systems in comparison with human perception results, using measures derived from linguistic distinctive features. Error patterns in terms of manner, place and…

Computation and Language · Computer Science 2016-12-14 Xiang Kong , Jeung-Yoon Choi , Stefanie Shattuck-Hufnagel

Automatic Speech Recognition (ASR) systems are commonly evaluated using aggregate metrics such as Word Error Rate (WER), which do not capture the linguistic structure of errors. Fine-grained analysis, such as Part-of-Speech (PoS)-wise error…

Computation and Language · Computer Science 2026-05-28 Prasenjit K Mudi , Dahlia Devapriya , Sheetal Kalyani

Aphasia is a language disorder affecting one third of stroke patients. Current aphasia assessment does not consider natural speech due to the time consuming nature of manual transcriptions and a lack of knowledge on how to analyze such…

Neurons and Cognition · Quantitative Biology 2024-08-27 Mara Barberis , Pieter De Clercq , Bastiaan Tamm , Hugo Van hamme , Maaike Vandermosten

Automatic speech recognition (ASR) has the potential to substantially reduce manual annotation effort in child speech research by generating automatic transcriptions. However, obtaining reliably high-quality ASR transcriptions for child…

Computation and Language · Computer Science 2026-05-29 Gus Lathouwers , Lingyun Gao , Catia Cucchiarini , Helmer Strik

It has been shown that the intelligibility of noisy speech can be improved by speech enhancement (SE) algorithms. However, monaural SE has not been established as an effective frontend for automatic speech recognition (ASR) in noisy…

Sound · Computer Science 2024-03-12 Yufeng Yang , Ashutosh Pandey , DeLiang Wang

Automatic speech recognition (ASR) of overlapped speech remains a highly challenging task to date. To this end, multi-channel microphone array data are widely used in state-of-the-art ASR systems. Motivated by the invariance of visual…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-19 Jianwei Yu , Bo Wu , Rongzhi Gu , Shi-Xiong Zhang , Lianwu Chen , Yong Xu. Meng Yu , Dan Su , Dong Yu , Xunying Liu , Helen Meng

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

Recent breakthroughs in Automatic Speech Recognition (ASR) have enabled fully automated Alzheimer's Disease (AD) detection using ASR transcripts. Nonetheless, the impact of ASR errors on AD detection remains poorly understood. This paper…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-27 Yin-Long Liu , Rui Feng , Jia-Xin Chen , Yi-Ming Wang , Jia-Hong Yuan , Zhen-Hua Ling

State-of-the-art end-to-end automatic speech recognition (ASR) extracts acoustic features from input speech signal every 10 ms which corresponds to a frame rate of 100 frames/second. In this report, we investigate the use of high-frame-rate…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-15 Cong-Thanh Do

Automatic Speech Recognition (ASR) systems suffer considerably when source speech is corrupted with noise or room impulse responses (RIR). Typically, speech enhancement is applied in both mismatched and matched scenario training and…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-26 Shashi Kumar , Shakti P. Rath , Abhishek Pandey

In order to evaluate the performance of the attention based neural ASR under noisy conditions, the current trend is to present hours of various noisy speech data to the model and measure the overall word/phoneme error rate (W/PER). In…

Sound · Computer Science 2021-08-04 Bradley He , Martin Radfar

Automatic Speech Recognition (ASR) systems have become ubiquitous in everyday applications, yet significant disparities in performance across diverse demographic groups persist. In this work, we introduce the ASR-FAIRBENCH leaderboard which…

Sound · Computer Science 2025-05-20 Anand Rai , Satyam Rahangdale , Utkarsh Anand , Animesh Mukherjee

Acoustic environment characterization opens doors for sound reproduction innovations, smart EQing, speech enhancement, hearing aids, and forensics. Reverberation time, clarity, and direct-to-reverberant ratio are acoustic parameters that…

Sound · Computer Science 2020-10-22 Paul Callens , Milos Cernak

Self-supervised speech recognition models require considerable labeled training data for learning high-fidelity representations for Automatic Speech Recognition (ASR) which is computationally demanding and time-consuming. We consider the…

Machine Learning · Computer Science 2023-04-13 Abdul Hameed Azeemi , Ihsan Ayyub Qazi , Agha Ali Raza

Traditional ASR metrics like WER and CER fail to capture intelligibility, especially for dysarthric and dysphonic speech, where semantic alignment matters more than exact word matches. ASR systems struggle with these speech types, often…

Machine Learning · Computer Science 2025-12-12 Bornali Phukon , Xiuwen Zheng , Mark Hasegawa-Johnson