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Related papers: CTC-based Non-autoregressive Speech Translation

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Connectionist temporal classification (CTC) -based models are attractive because of their fast inference in automatic speech recognition (ASR). Language model (LM) integration approaches such as shallow fusion and rescoring can improve the…

Computation and Language · Computer Science 2022-09-07 Hayato Futami , Hirofumi Inaguma , Masato Mimura , Shinsuke Sakai , Tatsuya Kawahara

Recent advances in deep learning show that end-to-end speech to text translation model is a promising approach to direct the speech translation field. In this work, we provide an overview of different end-to-end architectures, as well as…

Computation and Language · Computer Science 2019-11-21 Parnia Bahar , Tobias Bieschke , Hermann Ney

This paper presents BERT-CTC, a novel formulation of end-to-end speech recognition that adapts BERT for connectionist temporal classification (CTC). Our formulation relaxes the conditional independence assumptions used in conventional CTC…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-21 Yosuke Higuchi , Brian Yan , Siddhant Arora , Tetsuji Ogawa , Tetsunori Kobayashi , Shinji Watanabe

Models for streaming speech translation (ST) can achieve high accuracy and low latency if they're developed with vast amounts of paired audio in the source language and written text in the target language. Yet, these text labels for the…

Computation and Language · Computer Science 2024-10-08 Rui Zhao , Jinyu Li , Ruchao Fan , Matt Post

Contextual biasing (CB) improves automatic speech recognition for rare and unseen phrases. Recent studies have introduced dynamic vocabulary, which represents context phrases as expandable tokens in autoregressive (AR) models. This method…

Computation and Language · Computer Science 2025-06-04 Yui Sudo , Yosuke Fukumoto , Muhammad Shakeel , Yifan Peng , Chyi-Jiunn Lin , Shinji Watanabe

Non-autoregressive approaches aim to improve the inference speed of translation models by only requiring a single forward pass to generate the output sequence instead of iteratively producing each predicted token. Consequently, their…

Computation and Language · Computer Science 2022-10-24 Robin M. Schmidt , Telmo Pires , Stephan Peitz , Jonas Lööf

Non-autoregressive (NAR) models have achieved a large inference computation reduction and comparable results with autoregressive (AR) models on various sequence to sequence tasks. However, there has been limited research aiming to explore…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-17 Pengcheng Guo , Xuankai Chang , Shinji Watanabe , Lei Xie

Non-autoregressive automatic speech recognition (NASR) models have gained attention due to their parallelism and fast inference. The encoder-based NASR, e.g. connectionist temporal classification (CTC), can be initialized from the speech…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-15 Ruchao Fan , Natarajan Balaji Shanka , Abeer Alwan

Connectionist temporal classification (CTC) is a popular sequence prediction approach for automatic speech recognition that is typically used with models based on recurrent neural networks (RNNs). We explore whether deep convolutional…

Computation and Language · Computer Science 2018-02-16 Kalpesh Krishna , Liang Lu , Kevin Gimpel , Karen Livescu

Non-autoregressive models generate target words in a parallel way, which achieve a faster decoding speed but at the sacrifice of translation accuracy. To remedy a flawed translation by non-autoregressive models, a promising approach is to…

Computation and Language · Computer Science 2020-10-27 Pan Xie , Zhi Cui , Xiuyin Chen , Xiaohui Hu , Jianwei Cui , Bin Wang

Non-autoregressive translation (NAT) models achieve comparable performance and superior speed compared to auto-regressive translation (AT) models in the context of sentence-level machine translation (MT). However, their abilities are…

Computation and Language · Computer Science 2023-12-12 Guangsheng Bao , Zhiyang Teng , Hao Zhou , Jianhao Yan , Yue Zhang

Fully non-autoregressive neural machine translation (NAT) is proposed to simultaneously predict tokens with single forward of neural networks, which significantly reduces the inference latency at the expense of quality drop compared to the…

Computation and Language · Computer Science 2021-01-01 Jiatao Gu , Xiang Kong

Non-autoregressive transformer models have achieved extremely fast inference speed and comparable performance with autoregressive sequence-to-sequence models in neural machine translation. Most of the non-autoregressive transformers decode…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-19 Zhengkun Tian , Jiangyan Yi , Jianhua Tao , Ye Bai , Shuai Zhang , Zhengqi Wen

End-to-end speech recognition models trained using joint Connectionist Temporal Classification (CTC)-Attention loss have gained popularity recently. In these models, a non-autoregressive CTC decoder is often used at inference time due to…

Computation and Language · Computer Science 2022-11-15 Saket Dingliwal , Monica Sunkara , Sravan Bodapati , Srikanth Ronanki , Jeff Farris , Katrin Kirchhoff

Non-autoregressive models are promising on various text generation tasks. Previous work hardly considers to explicitly model the positions of generated words. However, position modeling is an essential problem in non-autoregressive text…

Computation and Language · Computer Science 2019-12-02 Yu Bao , Hao Zhou , Jiangtao Feng , Mingxuan Wang , Shujian Huang , Jiajun Chen , Lei LI

Connectionist Temporal Classification has recently attracted a lot of interest as it offers an elegant approach to building acoustic models (AMs) for speech recognition. The CTC loss function maps an input sequence of observable feature…

Computation and Language · Computer Science 2017-08-16 Thomas Zenkel , Ramon Sanabria , Florian Metze , Jan Niehues , Matthias Sperber , Sebastian Stüker , Alex Waibel

Efficient machine translation models are commercially important as they can increase inference speeds, and reduce costs and carbon emissions. Recently, there has been much interest in non-autoregressive (NAR) models, which promise faster…

Computation and Language · Computer Science 2022-05-05 Jindřich Helcl , Barry Haddow , Alexandra Birch

Non-autoregressive Transformer (NAT) is a family of text generation models, which aims to reduce the decoding latency by predicting the whole sentences in parallel. However, such latency reduction sacrifices the ability to capture…

Computation and Language · Computer Science 2022-06-14 Fei Huang , Tianhua Tao , Hao Zhou , Lei Li , Minlie Huang

Connectionist temporal classification (CTC) is a powerful approach for sequence-to-sequence learning, and has been popularly used in speech recognition. The central ideas of CTC include adding a label "blank" during training. With this…

Computation and Language · Computer Science 2017-11-17 Bo-Ru Lu , Frank Shyu , Yun-Nung Chen , Hung-Yi Lee , Lin-shan Lee

Code-Switching (CS) remains a challenge for Automatic Speech Recognition (ASR), especially character-based models. With the combined choice of characters from multiple languages, the outcome from character-based models suffers from phoneme…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-24 Burin Naowarat , Thananchai Kongthaworn , Korrawe Karunratanakul , Sheng Hui Wu , Ekapol Chuangsuwanich