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We propose a fully convolutional sequence-to-sequence encoder architecture with a simple and efficient decoder. Our model improves WER on LibriSpeech while being an order of magnitude more efficient than a strong RNN baseline. Key to our…

Computation and Language · Computer Science 2019-04-05 Awni Hannun , Ann Lee , Qiantong Xu , Ronan Collobert

Sequence-to-sequence (Seq2Seq) models with attention have excelled at tasks which involve generating natural language sentences such as machine translation, image captioning and speech recognition. Performance has further been improved by…

Computation and Language · Computer Science 2017-08-23 Anuroop Sriram , Heewoo Jun , Sanjeev Satheesh , Adam Coates

Copy mechanisms are employed in sequence to sequence models (seq2seq) to generate reproductions of words from the input to the output. These frameworks, operating at the lexical type level, fail to provide an explicit alignment that records…

Computation and Language · Computer Science 2020-10-30 Abhinav Singh , Patrick Xia , Guanghui Qin , Mahsa Yarmohammadi , Benjamin Van Durme

In this paper, we explore several new schemes to train a seq2seq model to integrate a pre-trained LM. Our proposed fusion methods focus on the memory cell state and the hidden state in the seq2seq decoder long short-term memory (LSTM), and…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-05 Jaejin Cho , Shinji Watanabe , Takaaki Hori , Murali Karthick Baskar , Hirofumi Inaguma , Jesus Villalba , Najim Dehak

The task of predicting dialog acts (DA) based on conversational dialog is a key component in the development of conversational agents. Accurately predicting DAs requires a precise modeling of both the conversation and the global tag…

Computation and Language · Computer Science 2020-02-27 Pierre Colombo , Emile Chapuis , Matteo Manica , Emmanuel Vignon , Giovanna Varni , Chloe Clavel

Sequence-to-sequence attention-based models integrate an acoustic, pronunciation and language model into a single neural network, which make them very suitable for multilingual automatic speech recognition (ASR). In this paper, we are…

Audio and Speech Processing · Electrical Eng. & Systems 2018-06-15 Shiyu Zhou , Shuang Xu , Bo Xu

Attention-based models have recently shown great performance on a range of tasks, such as speech recognition, machine translation, and image captioning due to their ability to summarize relevant information that expands through the entire…

Audio and Speech Processing · Electrical Eng. & Systems 2018-02-02 F A Rezaur Rahman Chowdhury , Quan Wang , Ignacio Lopez Moreno , Li Wan

Frequently-Asked-Question (FAQ) retrieval provides an effective procedure for responding to user's natural language based queries. Such platforms are becoming common in enterprise chatbots, product question answering, and preliminary…

Information Retrieval · Computer Science 2021-08-24 Sourav Dutta , Haytham Assem , Edward Burgin

Most recent approaches use the sequence-to-sequence model for paraphrase generation. The existing sequence-to-sequence model tends to memorize the words and the patterns in the training dataset instead of learning the meaning of the words.…

Computation and Language · Computer Science 2018-04-02 Shuming Ma , Xu Sun , Wei Li , Sujian Li , Wenjie Li , Xuancheng Ren

Recently, there has been growing interest in multi-speaker speech recognition, where the utterances of multiple speakers are recognized from their mixture. Promising techniques have been proposed for this task, but earlier works have…

Sound · Computer Science 2018-05-16 Hiroshi Seki , Takaaki Hori , Shinji Watanabe , Jonathan Le Roux , John R. Hershey

In this paper, we propose a novel deep neural network architecture, Speech2Vec, for learning fixed-length vector representations of audio segments excised from a speech corpus, where the vectors contain semantic information pertaining to…

Computation and Language · Computer Science 2018-06-12 Yu-An Chung , James Glass

Despite success in many domains, neural models struggle in settings where train and test examples are drawn from different distributions. In particular, in contrast to humans, conventional sequence-to-sequence (seq2seq) models fail to…

Computation and Language · Computer Science 2021-10-28 Bailin Wang , Mirella Lapata , Ivan Titov

In Natural Language Processing (NLP), it is important to detect the relationship between two sequences or to generate a sequence of tokens given another observed sequence. We call the type of problems on modelling sequence pairs as sequence…

Computation and Language · Computer Science 2018-10-26 Lei Yu

Recently, the end-to-end approach has proven its efficacy in monaural multi-speaker speech recognition. However, high word error rates (WERs) still prevent these systems from being used in practical applications. On the other hand, the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-17 Xuankai Chang , Wangyou Zhang , Yanmin Qian , Jonathan Le Roux , Shinji Watanabe

In this experiment, a model was devised, trained, and evaluated to automate psychotherapist/client text conversations through the use of state-of-the-art, Seq2Seq Transformer-based Natural Language Generation (NLG) systems. Through training…

Computation and Language · Computer Science 2021-04-22 Houjun Liu

Sequence-to-Sequence (S2S) models recently started to show state-of-the-art performance for automatic speech recognition (ASR). With these large and deep models overfitting remains the largest problem, outweighing performance improvements…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-04 Thai-Son Nguyen , Sebastian Stueker , Jan Niehues , Alex Waibel

Recently, sequence-to-sequence models with attention have been successfully applied in Text-to-speech (TTS). These models can generate near-human speech with a large accurately-transcribed speech corpus. However, preparing such a large…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-12 Haitong Zhang , Yue Lin

End-to-end task-oriented dialog systems usually suffer from the challenge of incorporating knowledge bases. In this paper, we propose a novel yet simple end-to-end differentiable model called memory-to-sequence (Mem2Seq) to address this…

Computation and Language · Computer Science 2018-05-22 Andrea Madotto , Chien-Sheng Wu , Pascale Fung

We present a recurrent encoder-decoder deep neural network architecture that directly translates speech in one language into text in another. The model does not explicitly transcribe the speech into text in the source language, nor does it…

Computation and Language · Computer Science 2017-06-13 Ron J. Weiss , Jan Chorowski , Navdeep Jaitly , Yonghui Wu , Zhifeng Chen

Generative models have long been the dominant approach for speech recognition. The success of these models however relies on the use of sophisticated recipes and complicated machinery that is not easily accessible to non-practitioners.…

Computation and Language · Computer Science 2017-06-21 Chung-Cheng Chiu , Dieterich Lawson , Yuping Luo , George Tucker , Kevin Swersky , Ilya Sutskever , Navdeep Jaitly