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We explore diverse representations of speech audio, and their effect on a performance of late fusion ensemble of E-Branchformer models, applied to Automatic Speech Recognition (ASR) task. Although it is generally known that ensemble methods…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-04 Marin Jezidžić , Matej Mihelčić

Recently, end-to-end (E2E) models, which allow to take spectral vector sequences of L2 (second-language) learners' utterances as input and produce the corresponding phone-level sequences as output, have attracted much research attention in…

Sound · Computer Science 2021-10-19 Tien-Hong Lo , Yao-Ting Sung , Berlin Chen

We present a method for transferring pre-trained self-supervised (SSL) speech representations to multiple languages. There is an abundance of unannotated speech, so creating self-supervised representations from raw audio and fine-tuning on…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-08 Samuel Kessler , Bethan Thomas , Salah Karout

End-to-end (E2E) automatic speech recognition (ASR) models have recently demonstrated superior performance over the traditional hybrid ASR models. Training an E2E ASR model requires a large amount of data which is not only expensive but may…

Machine Learning · Computer Science 2021-06-16 Amin Fazel , Wei Yang , Yulan Liu , Roberto Barra-Chicote , Yixiong Meng , Roland Maas , Jasha Droppo

We present BERT-CTC-Transducer (BECTRA), a novel end-to-end automatic speech recognition (E2E-ASR) model formulated by the transducer with a BERT-enhanced encoder. Integrating a large-scale pre-trained language model (LM) into E2E-ASR has…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-20 Yosuke Higuchi , Tetsuji Ogawa , Tetsunori Kobayashi , Shinji Watanabe

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

End-to-end (E2E) models have been explored for large speech corpora and have been found to match or outperform traditional pipeline-based systems in some languages. However, most prior work on end-to-end models use speech corpora exceeding…

Audio and Speech Processing · Electrical Eng. & Systems 2019-06-25 Brij Mohan Lal Srivastava , Basil Abraham , Sunayana Sitaram , Rupesh Mehta , Preethi Jyothi

Large Language Models (LLMs) have been applied in the speech domain, often incurring a performance drop due to misaligned between speech and language representations. To bridge this gap, we propose a joint speech and language model (SLM)…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-14 Mingqiu Wang , Izhak Shafran , Hagen Soltau , Wei Han , Yuan Cao , Dian Yu , Laurent El Shafey

Speech Recognition (ASR) due to phoneme distortions and high variability. While self-supervised ASR models like Wav2Vec, HuBERT, and Whisper have shown promise, their effectiveness in dysarthric speech remains unclear. This study…

Sound · Computer Science 2025-08-12 Ahmed Aboeitta , Ahmed Sharshar , Youssef Nafea , Shady Shehata

Embedding-based retrieval models have made significant strides in retrieval-augmented generation (RAG) techniques for text and multimodal large language models (LLMs) applications. However, when it comes to speech larage language models…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-11 Chunyu Sun , Bingyu Liu , Zhichao Cui , Junhan Shi , Anbin Qi , Tian-hao Zhang , Dinghao Zhou , Lewei Lu

The accuracy of end-to-end (E2E) automatic speech recognition (ASR) models continues to improve as they are scaled to larger sizes, with some now reaching billions of parameters. Widespread deployment and adoption of these models, however,…

Large Language Models (LLMs) have showcased exceptional performance across diverse NLP tasks, and their integration with speech encoder is rapidly emerging as a dominant trend in the Automatic Speech Recognition (ASR) field. Previous works…

Artificial Intelligence · Computer Science 2024-12-05 Zheshu Song , Ziyang Ma , Yifan Yang , Jianheng Zhuo , Xie Chen

End-to-end (E2E) automatic speech recognition (ASR) models have become standard practice for various commercial applications. However, in real-world scenarios, the long-tailed nature of word distribution often leads E2E ASR models to…

Computation and Language · Computer Science 2024-09-11 Yi-Cheng Wang , Li-Ting Pai , Bi-Cheng Yan , Hsin-Wei Wang , Chi-Han Lin , Berlin Chen

This paper investigates discrete and continuous speech representations in Large Language Model (LLM)-based Automatic Speech Recognition (ASR), organizing them by feature continuity and training approach into four categories: supervised and…

Computation and Language · Computer Science 2024-09-04 Yaoxun Xu , Shi-Xiong Zhang , Jianwei Yu , Zhiyong Wu , Dong Yu

We live in a world where 60% of the population can speak two or more languages fluently. Members of these communities constantly switch between languages when having a conversation. As automatic speech recognition (ASR) systems are being…

Computation and Language · Computer Science 2021-02-16 Siddharth Dalmia , Yuzong Liu , Srikanth Ronanki , Katrin Kirchhoff

The integration of large language models (LLMs) with pre-trained speech models has opened up new avenues in automatic speech recognition (ASR). While LLMs excel in multimodal understanding tasks, effectively leveraging their capabilities…

Computation and Language · Computer Science 2024-09-25 Yang Yuhang , Peng Yizhou , Eng Siong Chng , Xionghu Zhong

This paper addresses the problem of correctly formatting numeric expressions in automatic speech recognition (ASR) transcripts. This is challenging since the expected transcript format depends on the context, e.g., 1945 (year) vs. 19:45…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-24 Christian Huber , Alexander Waibel

Recognizing overlapping speech from multiple speakers in conversational scenarios is one of the most challenging problem for automatic speech recognition (ASR). Serialized output training (SOT) is a classic method to address multi-talker…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-02 Mohan Shi , Zengrui Jin , Yaoxun Xu , Yong Xu , Shi-Xiong Zhang , Kun Wei , Yiwen Shao , Chunlei Zhang , Dong Yu

Currently, large language models are gaining popularity, their achievements are used in many areas, ranging from text translation to generating answers to queries. However, the main problem with these new machine learning algorithms is that…

Computation and Language · Computer Science 2024-08-12 Ilia Derkach

This article concerns comparative studies on the Automatic Speech Recognition (ASR) model incorporated with the Large Language Model (LLM) used for medical interviews. The proposed solution is tested on polish language benchmarks and…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-04 Marcin Pietroń , Szymon Piórkowski , Kamil Faber , Dominik Żurek , Michał Karwatowski , Jerzy Duda , Hubert Zieliński , Piotr Lipnicki , Mikołaj Leszczuk