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Previous studies have confirmed that by augmenting acoustic features with the place/manner of articulatory features, the speech enhancement (SE) process can be guided to consider the broad phonetic properties of the input speech when…

Sound · Computer Science 2023-06-21 Yen-Ju Lu , Chia-Yu Chang , Cheng Yu , Ching-Feng Liu , Jeih-weih Hung , Shinji Watanabe , Yu Tsao

To realize robust end-to-end Automatic Speech Recognition(E2E ASR) under radio communication condition, we propose a multitask-based method to joint train a Speech Enhancement (SE) module as the front-end and an E2E ASR model as the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-23 Duo Ma , Nana Hou , Van Tung Pham , Haihua Xu , Eng Siong Chng

Compared to hybrid automatic speech recognition (ASR) systems that use a modular architecture in which each component can be independently adapted to a new domain, recent end-to-end (E2E) ASR system are harder to customize due to their…

Computation and Language · Computer Science 2022-03-01 Samuel Thomas , Brian Kingsbury , George Saon , Hong-Kwang J. Kuo

In this paper, we propose to improve end-to-end (E2E) spoken language understand (SLU) in an RNN transducer model (RNN-T) by incorporating a joint self-conditioned CTC automatic speech recognition (ASR) objective. Our proposed model is akin…

Machine Learning · Computer Science 2025-01-06 Vishal Sunder , Eric Fosler-Lussier

Monaural multi-speaker automatic speech recognition (ASR) remains challenging due to data scarcity and the intrinsic difficulty of recognizing and attributing words to individual speakers, particularly in overlapping speech. Recent advances…

Computation and Language · Computer Science 2026-05-29 Xinlu He , Jacob Whitehill

Recently, end-to-end (E2E) automatic speech recognition (ASR) models have made great strides and exhibit excellent performance in general speech recognition. However, there remain several challenging scenarios that E2E models are not…

Computation and Language · Computer Science 2023-06-16 Zheng Liang , Zheshu Song , Ziyang Ma , Chenpeng Du , Kai Yu , Xie Chen

Despite recent advances in voice separation methods, many challenges remain in realistic scenarios such as noisy recording and the limits of available data. In this work, we propose to explicitly incorporate the phonetic and linguistic…

Confidence measure is a performance index of particular importance for automatic speech recognition (ASR) systems deployed in real-world scenarios. In the present study, utterance-level neural confidence measure (NCM) in end-to-end…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-17 Wei Liu , Tan Lee

Proper nouns present a challenge for end-to-end (E2E) automatic speech recognition (ASR) systems in that a particular name may appear only rarely during training, and may have a pronunciation similar to that of a more common word. Unlike…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-21 Cal Peyser , Tara N. Sainath , Golan Pundak

End-to-end (E2E) spoken language understanding (SLU) systems that generate a semantic parse from speech have become more promising recently. This approach uses a single model that utilizes audio and text representations from pre-trained…

Computation and Language · Computer Science 2023-07-25 Suyoun Kim , Akshat Shrivastava , Duc Le , Ju Lin , Ozlem Kalinli , Michael L. Seltzer

In this paper we investigate continuous speech recognition using electroencephalography (EEG) features using recently introduced end-to-end transformer based automatic speech recognition (ASR) model. Our results demonstrate that transformer…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-06 Gautam Krishna , Co Tran , Mason Carnahan , Ahmed H Tewfik

We study training a single end-to-end (E2E) automatic speech recognition (ASR) model for three languages used in Kazakhstan: Kazakh, Russian, and English. We first describe the development of multilingual E2E ASR based on Transformer…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-04 Saida Mussakhojayeva , Yerbolat Khassanov , Huseyin Atakan Varol

End-to-end automatic speech recognition (E2E-ASR) has the potential to improve performance, but a specific issue that needs to be addressed is the difficulty it has in handling enharmonic words: named entities (NEs) with the same…

Sound · Computer Science 2023-05-30 Yui Sudo , Kazuya Hata , Kazuhiro Nakadai

Neural end-to-end (E2E) models have become a promising technique to realize practical automatic speech recognition (ASR) systems. When realizing such a system, one important issue is the segmentation of audio to deal with streaming input or…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-19 Yuya Fujita , Tianzi Wang , Shinji Watanabe , Motoi Omachi

End-to-end models for robust automatic speech recognition (ASR) have not been sufficiently well-explored in prior work. With end-to-end models, one could choose to preprocess the input speech using speech enhancement techniques and train…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-15 Archiki Prasad , Preethi Jyothi , Rajbabu Velmurugan

End-to-end (E2E) automatic speech recognition (ASR) with sequence-to-sequence models has gained attention because of its simple model training compared with conventional hidden Markov model based ASR. Recently, several studies report the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-21 Yuya Fujita , Aswin Shanmugam Subramanian , Motoi Omachi , Shinji Watanabe

Automatic speech recognition systems have been largely improved in the past few decades and current systems are mainly hybrid-based and end-to-end-based. The recently proposed CTC-CRF framework inherits the data-efficiency of the hybrid…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-09 Huahuan Zheng , Wenjie Peng , Zhijian Ou , Jinsong Zhang

The network architecture of end-to-end (E2E) automatic speech recognition (ASR) can be classified into several models, including connectionist temporal classification (CTC), recurrent neural network transducer (RNN-T), attention mechanism,…

Sound · Computer Science 2023-05-31 Yui Sudo , Muhammad Shakeel , Brian Yan , Jiatong Shi , Shinji Watanabe

Training Automatic Speech Recognition (ASR) models under federated learning (FL) settings has attracted a lot of attention recently. However, the FL scenarios often presented in the literature are artificial and fail to capture the…

In the traditional cascading architecture for spoken language understanding (SLU), it has been observed that automatic speech recognition errors could be detrimental to the performance of natural language understanding. End-to-end (E2E) SLU…

Computation and Language · Computer Science 2021-09-02 Qian Chen , Wen Wang , Qinglin Zhang