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Related papers: CTC-based Non-autoregressive Speech Translation

200 papers

Non-autoregressive approaches aim to improve the inference speed of translation models, particularly those that generate output in a one-pass forward manner. However, these approaches often suffer from a significant drop in translation…

Computation and Language · Computer Science 2024-10-15 Shen-sian Syu , Juncheng Xie , Hung-yi Lee

Simultaneous translation models play a crucial role in facilitating communication. However, existing research primarily focuses on text-to-text or speech-to-text models, necessitating additional cascade components to achieve…

Computation and Language · Computer Science 2024-10-22 Zhengrui Ma , Qingkai Fang , Shaolei Zhang , Shoutao Guo , Yang Feng , Min Zhang

Non-autoregressive Transformer(NAT) significantly accelerates the inference of neural machine translation. However, conventional NAT models suffer from limited expression power and performance degradation compared to autoregressive (AT)…

Computation and Language · Computer Science 2023-11-15 Shangtong Gui , Chenze Shao , Zhengrui Ma , Xishan Zhang , Yunji Chen , Yang Feng

Non-autoregressive (NAR) generation, which is first proposed in neural machine translation (NMT) to speed up inference, has attracted much attention in both machine learning and natural language processing communities. While NAR generation…

Computation and Language · Computer Science 2023-07-07 Yisheng Xiao , Lijun Wu , Junliang Guo , Juntao Li , Min Zhang , Tao Qin , Tie-yan Liu

Recently, end-to-end automatic speech recognition models based on connectionist temporal classification (CTC) have achieved impressive results, especially when fine-tuned from wav2vec2.0 models. Due to the conditional independence…

Computation and Language · Computer Science 2022-03-08 Keqi Deng , Songjun Cao , Yike Zhang , Long Ma , Gaofeng Cheng , Ji Xu , Pengyuan Zhang

This paper presents two strong methods, CTC and Imputer, for non-autoregressive machine translation that model latent alignments with dynamic programming. We revisit CTC for machine translation and demonstrate that a simple CTC model can…

Computation and Language · Computer Science 2020-11-17 Chitwan Saharia , William Chan , Saurabh Saxena , Mohammad Norouzi

This article describes an efficient end-to-end speech translation (E2E-ST) framework based on non-autoregressive (NAR) models. End-to-end speech translation models have several advantages over traditional cascade systems such as inference…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-10 Hirofumi Inaguma , Yosuke Higuchi , Kevin Duh , Tatsuya Kawahara , Shinji Watanabe

Non-autoregressive mechanisms can significantly decrease inference time for speech transformers, especially when the single step variant is applied. Previous work on CTC alignment-based single step non-autoregressive transformer (CASS-NAT)…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-23 Ruchao Fan , Wei Chu , Peng Chang , Jing Xiao , Abeer Alwan

Autoregressive sequence Generation models have achieved state-of-the-art performance in areas like machine translation and image captioning. These models are autoregressive in that they generate each word by conditioning on previously…

Computation and Language · Computer Science 2021-01-26 Longteng Guo , Jing Liu , Xinxin Zhu , Hanqing Lu

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

For real-world deployment of automatic speech recognition (ASR), the system is desired to be capable of fast inference while relieving the requirement of computational resources. The recently proposed end-to-end ASR system based on…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-17 Yosuke Higuchi , Hirofumi Inaguma , Shinji Watanabe , Tetsuji Ogawa , Tetsunori Kobayashi

In recent years, Neural Machine Translation (NMT) has achieved notable results in various translation tasks. However, the word-by-word generation manner determined by the autoregressive mechanism leads to high translation latency of the NMT…

Computation and Language · Computer Science 2021-09-02 Chenze Shao , Yang Feng , Jinchao Zhang , Fandong Meng , Jie Zhou

How can we learn unified representations for spoken utterances and their written text? Learning similar representations for semantically similar speech and text is important for speech translation. To this end, we propose ConST, a…

Computation and Language · Computer Science 2022-05-06 Rong Ye , Mingxuan Wang , Lei Li

The success of self-attention in NLP has led to recent applications in end-to-end encoder-decoder architectures for speech recognition. Separately, connectionist temporal classification (CTC) has matured as an alignment-free,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-02 Julian Salazar , Katrin Kirchhoff , Zhiheng Huang

Recent advances have made non-autoregressive (NAT) translation comparable to autoregressive methods (AT). However, their evaluation using BLEU has been shown to weakly correlate with human annotations. Limited research compares…

Computation and Language · Computer Science 2024-05-22 Yafu Li , Huajian Zhang , Jianhao Yan , Yongjing Yin , Yue Zhang

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

Non-Autoregressive Neural Machine Translation (NAT) achieves significant decoding speedup through generating target words independently and simultaneously. However, in the context of non-autoregressive translation, the word-level…

Computation and Language · Computer Science 2019-11-22 Chenze Shao , Jinchao Zhang , Yang Feng , Fandong Meng , Jie Zhou

Recently, there has been an increasing interest in end-to-end speech recognition that directly transcribes speech to text without any predefined alignments. One approach is the attention-based encoder-decoder framework that learns a mapping…

Computation and Language · Computer Science 2017-02-02 Suyoun Kim , Takaaki Hori , Shinji Watanabe

Previous studies demonstrated that a dynamic phone-informed compression of the input audio is beneficial for speech translation (ST). However, they required a dedicated model for phone recognition and did not test this solution for direct…

Computation and Language · Computer Science 2021-10-15 Marco Gaido , Mauro Cettolo , Matteo Negri , Marco Turchi

Non-autoregressive Transformers (NATs) reduce the inference latency of Autoregressive Transformers (ATs) by predicting words all at once rather than in sequential order. They have achieved remarkable progress in machine translation as well…

Computation and Language · Computer Science 2023-06-05 Chenxin An , Jiangtao Feng , Fei Huang , Xipeng Qiu , Lingpeng Kong