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Related papers: Hybrid-Regressive Neural Machine Translation

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We present Hybrid-Autoregressive INference TrANsducers (HAINAN), a novel architecture for speech recognition that extends the Token-and-Duration Transducer (TDT) model. Trained with randomly masked predictor network outputs, HAINAN supports…

Machine Learning · Computer Science 2025-05-06 Hainan Xu , Travis M. Bartley , Vladimir Bataev , Boris Ginsburg

Non-autoregressive machine translation (NAT) systems predict a sequence of output tokens in parallel, achieving substantial improvements in generation speed compared to autoregressive models. Existing NAT models usually rely on the…

Computation and Language · Computer Science 2021-02-24 Chunting Zhou , Graham Neubig , Jiatao Gu

Non-autoregressive translation (NAT) models are typically trained with the cross-entropy loss, which forces the model outputs to be aligned verbatim with the target sentence and will highly penalize small shifts in word positions. Latent…

Computation and Language · Computer Science 2022-10-11 Chenze Shao , Yang Feng

Neural transducers (NT) provide an effective framework for speech streaming, demonstrating strong performance in automatic speech recognition (ASR). However, the application of NT to speech translation (ST) remains challenging, as existing…

Computation and Language · Computer Science 2025-06-04 Amir Hussein , Cihan Xiao , Matthew Wiesner , Dan Povey , Leibny Paola Garcia , Sanjeev Khudanpur

In real-world systems, scaling has been critical for improving the translation quality in autoregressive translation (AT), which however has not been well studied for non-autoregressive translation (NAT). In this work, we bridge the gap by…

Computation and Language · Computer Science 2023-06-05 Zhihao Wang , Longyue Wang , Jinsong Su , Junfeng Yao , Zhaopeng Tu

Non-autoregressive Transformer is a promising text generation model. However, current non-autoregressive models still fall behind their autoregressive counterparts in translation quality. We attribute this accuracy gap to the lack of…

Computation and Language · Computer Science 2021-03-23 Yu Bao , Shujian Huang , Tong Xiao , Dongqi Wang , Xinyu Dai , Jiajun Chen

The dominant neural machine translation (NMT) models apply unified attentional encoder-decoder neural networks for translation. Traditionally, the NMT decoders adopt recurrent neural networks (RNNs) to perform translation in a left-toright…

Computation and Language · Computer Science 2018-02-06 Xiangwen Zhang , Jinsong Su , Yue Qin , Yang Liu , Rongrong Ji , Hongji Wang

Non-Autoregressive machine Translation (NAT) models have demonstrated significant inference speedup but suffer from inferior translation accuracy. The common practice to tackle the problem is transferring the Autoregressive machine…

Computation and Language · Computer Science 2021-05-18 Yongchang Hao , Shilin He , Wenxiang Jiao , Zhaopeng Tu , Michael Lyu , Xing Wang

Transformer architectures have achieved state-of-the-art performance across natural language tasks, yet they fundamentally misrepresent the hierarchical nature of human language by processing text as flat token sequences. This results in…

Computation and Language · Computer Science 2025-09-26 Ayan Sar , Sampurna Roy , Kanav Gupta , Anurag Kaushish , Tanupriya Choudhury , Abhijit Kumar

This paper proposes and evaluates the hybrid autoregressive transducer (HAT) model, a time-synchronous encoderdecoder model that preserves the modularity of conventional automatic speech recognition systems. The HAT model provides a way to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-18 Ehsan Variani , David Rybach , Cyril Allauzen , Michael Riley

State-of-the-art results on neural machine translation often use attentional sequence-to-sequence models with some form of convolution or recursion. Vaswani et al. (2017) propose a new architecture that avoids recurrence and convolution…

Artificial Intelligence · Computer Science 2017-11-08 Karim Ahmed , Nitish Shirish Keskar , Richard Socher

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

Hybrid Autoregressive Transducer (HAT) is a recently proposed end-to-end acoustic model that extends the standard Recurrent Neural Network Transducer (RNN-T) for the purpose of the external language model (LM) fusion. In HAT, the blank…

Computation and Language · Computer Science 2021-03-29 Liang Lu , Zhong Meng , Naoyuki Kanda , Jinyu Li , Yifan Gong

We study Latent Recurrent Transformer (LRT), a lightweight augmentation of autoregressive transformers that reuses a high-level source-layer hidden state from the previous token as recurrent memory for the next token. Because this source…

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

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

Non-autoregressive (nAR) models for machine translation (MT) manifest superior decoding speed when compared to autoregressive (AR) models, at the expense of impaired fluency of their outputs. We improve the fluency of a nAR model with…

Computation and Language · Computer Science 2020-04-08 Zdeněk Kasner , Jindřich Libovický , Jindřich Helcl

Learning high-quality oblique decision trees remains a significant challenge due to the discrete and non-convex nature of split optimization. We present the Hinge Regression Tree (HRT) framework, which reframes each oblique split as a…

Machine Learning · Computer Science 2026-05-25 Hongyi Li , Jun Xu , Hong Yan

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) models can generate sentences with less computation than autoregressive models but sacrifice generation quality. Previous studies addressed this issue through iterative decoding. This study proposes using nearest…

Computation and Language · Computer Science 2022-08-29 Ayana Niwa , Sho Takase , Naoaki Okazaki