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While end-to-end (E2E) automatic speech recognition (ASR) models excel at general transcription, they struggle to recognize rare or unseen named entities (e.g., contact names, locations), which are critical for downstream applications like…

Computation and Language · Computer Science 2025-12-22 Ramaneswaran Selvakumar , Cindy Tseng , Eesung Kim , Vijendra Raj Apsingekar , Yun Tang

While the community keeps promoting end-to-end models over conventional hybrid models, which usually are long short-term memory (LSTM) models trained with a cross entropy criterion followed by a sequence discriminative training criterion,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-18 Jinyu Li , Rui Zhao , Eric Sun , Jeremy H. M. Wong , Amit Das , Zhong Meng , Yifan Gong

Automatic Speech Recognition (ASR) systems frequently use a search-based decoding strategy aiming to find the best attainable transcript by considering multiple candidates. One prominent speech recognition decoding heuristic is beam search,…

Computation and Language · Computer Science 2022-12-29 Tomer Wullach , Shlomo E. Chazan

In sequence learning tasks such as language modelling, Recurrent Neural Networks must learn relationships between input features separated by time. State of the art models such as LSTM and Transformer are trained by backpropagation of…

Machine Learning · Computer Science 2019-12-04 Jeremy Gordon , David Rawlinson , Subutai Ahmad

Automatic Short Answer Grading (ASAG) with generative large language models (LLMs) has recently demonstrated strong performance without task-specific fine-tuning, while also enabling the generation of synthetic feedback for educational…

Computation and Language · Computer Science 2026-05-14 Longwei Cong , Sonja Hahn , Sebastian Gombert , Leon Camus , Hendrik Drachsler , Ulf Kroehne

We investigate the impact of aggressive low-precision representations of weights and activations in two families of large LSTM-based architectures for Automatic Speech Recognition (ASR): hybrid Deep Bidirectional LSTM - Hidden Markov Models…

Current progress in artificial intelligence is centered around so-called large language models that consist of neural networks processing long sequences of high-dimensional vectors called tokens. Statistical physics provides powerful tools…

Disordered Systems and Neural Networks · Physics 2025-11-13 Vittorio Erba , Emanuele Troiani , Luca Biggio , Antoine Maillard , Lenka Zdeborová

Even with several advancements in multilingual modeling, it is challenging to recognize multiple languages using a single neural model, without knowing the input language and most multilingual models assume the availability of the input…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-23 Aditya Patil , Vikas Joshi , Purvi Agrawal , Rupesh Mehta

Despite advances in Automatic Speech Recognition (ASR), transcription errors persist and require manual correction. Confidence scores, which indicate the certainty of ASR results, could assist users in identifying and correcting errors.…

Human-Computer Interaction · Computer Science 2025-03-20 Korbinian Kuhn , Verena Kersken , Gottfried Zimmermann

The advances in attention-based encoder-decoder (AED) networks have brought great progress to end-to-end (E2E) automatic speech recognition (ASR). One way to further improve the performance of AED-based E2E ASR is to introduce an extra text…

Sound · Computer Science 2021-10-26 Wei Wang , Shuo Ren , Yao Qian , Shujie Liu , Yu Shi , Yanmin Qian , Michael Zeng

Transformer-based models have recently made significant achievements in the application of end-to-end (E2E) automatic speech recognition (ASR). It is possible to deploy the E2E ASR system on smart devices with the help of Transformer-based…

Sound · Computer Science 2023-04-06 Haoyu Tang , Zhaoyi Liu , Chang Zeng , Xinfeng Li

Discretized representations of speech signals are efficient alternatives to continuous features for various speech applications, including automatic speech recognition (ASR) and speech language models. However, these representations, such…

Sound · Computer Science 2026-02-05 Takanori Ashihara , Shota Horiguchi , Kohei Matsuura , Tsubasa Ochiai , Marc Delcroix

Contextualized end-to-end automatic speech recognition has been an active research area, with recent efforts focusing on the implicit learning of contextual phrases based on the final loss objective. However, these approaches ignore the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-12 Muhammad Shakeel , Yui Sudo , Yifan Peng , Shinji Watanabe

Non-intrusive speech intelligibility prediction remains challenging due to variability in speakers, noise conditions, and subjective perception. We propose an uncertainty-aware approach that leverages Whisper embeddings in combination with…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-05 Ryandhimas E. Zezario , Dyah A. M. G. Wisnu , Hsin-Min Wang , Yu Tsao

Recent developments using End-to-End Deep Learning models have been shown to have near or better performance than state of the art Recurrent Neural Networks (RNNs) on Automatic Speech Recognition tasks. These models tend to be lighter…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-27 Will Rieger

Long short-term memory (LSTM) based acoustic modeling methods have recently been shown to give state-of-the-art performance on some speech recognition tasks. To achieve a further performance improvement, in this research, deep extensions on…

Computation and Language · Computer Science 2015-05-12 Xiangang Li , Xihong Wu

This paper explores the integration of Large Language Models (LLMs) into Automatic Speech Recognition (ASR) systems to improve transcription accuracy. The increasing sophistication of LLMs, with their in-context learning capabilities and…

Computation and Language · Computer Science 2025-06-03 Zeping Min , Jinbo Wang

Neural sequence-to-sequence automatic speech recognition (ASR) systems are in principle open vocabulary systems, when using appropriate modeling units. In practice, however, they often fail to recognize words not seen during training, e.g.,…

Computation and Language · Computer Science 2022-03-30 Christian Huber , Rishu Kumar , Ondřej Bojar , Alexander Waibel

Modern Automatic Speech Recognition (ASR) systems primarily rely on scores from an Acoustic Model (AM) and a Language Model (LM) to rescore the N-best lists. With the abundance of recent natural language processing advances, the information…

Computation and Language · Computer Science 2019-10-28 Yuanfeng Song , Di Jiang , Xuefang Zhao , Qian Xu , Raymond Chi-Wing Wong , Lixin Fan , Qiang Yang

With the recent advances in technology, automatic speech recognition (ASR) has been widely used in real-world applications. The efficiency of converting large amounts of speech into text accurately with limited resources has become more…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-09 Yoo Rhee Oh , Kiyoung Park , Jeon Gyu Park