English
Related papers

Related papers: Distilling the Knowledge of BERT for CTC-based ASR

200 papers

We propose new, data-efficient training tasks for BERT models that improve performance of automatic speech recognition (ASR) systems on conversational speech. We include past conversational context and fine-tune BERT on transcript…

Computation and Language · Computer Science 2022-01-26 Pablo Ortiz , Simen Burud

Connectionist Temporal Classification (CTC) and attention mechanism are two main approaches used in recent scene text recognition works. Compared with attention-based methods, CTC decoder has a much shorter inference time, yet a lower…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Wenyang Hu , Xiaocong Cai , Jun Hou , Shuai Yi , Zhiping Lin

Phonetic speech transcription is crucial for fine-grained linguistic analysis and downstream speech applications. While Connectionist Temporal Classification (CTC) is a widely used approach for such tasks due to its efficiency, it often…

Combining end-to-end speech translation (ST) and non-autoregressive (NAR) generation is promising in language and speech processing for their advantages of less error propagation and low latency. In this paper, we investigate the potential…

Computation and Language · Computer Science 2023-05-30 Chen Xu , Xiaoqian Liu , Xiaowen Liu , Qingxuan Sun , Yuhao Zhang , Murun Yang , Qianqian Dong , Tom Ko , Mingxuan Wang , Tong Xiao , Anxiang Ma , Jingbo Zhu

Conversational speech normally is embodied with loose syntactic structures at the utterance level but simultaneously exhibits topical coherence relations across consecutive utterances. Prior work has shown that capturing longer context…

Computation and Language · Computer Science 2022-06-02 Bi-Cheng Yan , Hsin-Wei Wang , Shih-Hsuan Chiu , Hsuan-Sheng Chiu , Berlin Chen

Non-native speech causes automatic speech recognition systems to degrade in performance. Past strategies to address this challenge have considered model adaptation, accent classification with a model selection, alternate pronunciation…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-03 Shahram Ghorbani , Ahmet E. Bulut , John H. L. Hansen

Knowledge distillation has been widely used to compress existing deep learning models while preserving the performance on a wide range of applications. In the specific context of Automatic Speech Recognition (ASR), distillation from…

Machine Learning · Computer Science 2021-07-06 Yan Gao , Titouan Parcollet , Nicholas Lane

We present a simple and efficient auxiliary loss function for automatic speech recognition (ASR) based on the connectionist temporal classification (CTC) objective. The proposed objective, an intermediate CTC loss, is attached to an…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-08 Jaesong Lee , Shinji Watanabe

The pre-training models such as BERT have achieved great results in various natural language processing problems. However, a large number of parameters need significant amounts of memory and the consumption of inference time, which makes it…

Computation and Language · Computer Science 2020-12-15 Hao Fu , Shaojun Zhou , Qihong Yang , Junjie Tang , Guiquan Liu , Kaikui Liu , Xiaolong Li

This paper presents a novel algorithm for building an automatic speech recognition (ASR) model with imperfect training data. Imperfectly transcribed speech is a prevalent issue in human-annotated speech corpora, which degrades the…

Computation and Language · Computer Science 2023-06-05 Dongji Gao , Matthew Wiesner , Hainan Xu , Leibny Paola Garcia , Daniel Povey , Sanjeev Khudanpur

Recently, the advance in deep learning has brought a considerable improvement in the end-to-end speech recognition field, simplifying the traditional pipeline while producing promising results. Among the end-to-end models, the connectionist…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-29 Ji Won Yoon , Beom Jun Woo , Sunghwan Ahn , Hyeonseung Lee , Nam Soo Kim

Transformer encoder with connectionist temporal classification (CTC) framework is widely used for automatic speech recognition (ASR). However, knowledge distillation (KD) for ASR displays a problem of disagreement between teacher-student…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Eungbeom Kim , Hantae Kim , Kyogu Lee

End-to-end (E2E) automatic speech recognition (ASR) systems have revolutionized the field by integrating all components into a single neural network, with attention-based encoder-decoder models achieving state-of-the-art performance.…

Computation and Language · Computer Science 2025-07-01 Duygu Altinok

Despite extensions to speech inputs, effectively leveraging the rich knowledge and contextual understanding of large language models (LLMs) in automatic speech recognition (ASR) remains non-trivial, as the task primarily involves direct…

Computation and Language · Computer Science 2026-04-02 Keqi Deng , Ruchao Fan , Bo Ren , Yiming Wang , Jinyu Li

In Automatic Speech Recognition (ASR) systems, a recurring obstacle is the generation of narrowly focused output distributions. This phenomenon emerges as a side effect of Connectionist Temporal Classification (CTC), a robust sequence…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-19 SooHwan Eom , Eunseop Yoon , Hee Suk Yoon , Chanwoo Kim , Mark Hasegawa-Johnson , Chang D. Yoo

In this work, we compare from-scratch sequence-level cross-entropy (full-sum) training of Hidden Markov Model (HMM) and Connectionist Temporal Classification (CTC) topologies for automatic speech recognition (ASR). Besides accuracy, we…

Sound · Computer Science 2022-10-19 Tina Raissi , Wei Zhou , Simon Berger , Ralf Schlüter , Hermann Ney

The goal of this work is to train strong models for visual speech recognition without requiring human annotated ground truth data. We achieve this by distilling from an Automatic Speech Recognition (ASR) model that has been trained on a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Triantafyllos Afouras , Joon Son Chung , Andrew Zisserman

We present Mask CTC, a novel non-autoregressive end-to-end automatic speech recognition (ASR) framework, which generates a sequence by refining outputs of the connectionist temporal classification (CTC). Neural sequence-to-sequence models…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Yosuke Higuchi , Shinji Watanabe , Nanxin Chen , Tetsuji Ogawa , Tetsunori Kobayashi

Citrinet is an end-to-end convolutional Connectionist Temporal Classification (CTC) based automatic speech recognition (ASR) model. To capture local and global contextual information, 1D time-channel separable convolutions combined with…

Computation and Language · Computer Science 2022-09-02 Xianchao Wu

This paper proposes an adaptation method for end-to-end speech recognition. In this method, multiple automatic speech recognition (ASR) 1-best hypotheses are integrated in the computation of the connectionist temporal classification (CTC)…

Computation and Language · Computer Science 2021-04-01 Cong-Thanh Do , Rama Doddipatla , Thomas Hain