November 2, 2019 Conference paper Open Access

Bahar, Parnia; Zeyer, Albert; Schlüter, Ralf; Ney, Hermann

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{
  "description": "<p>This work investigates a simple data augmentation technique, SpecAugment, for end-to-end speech translation. SpecAugment is a low-cost implementation method applied directly to the audio input features and it consists of masking blocks of frequency channels, and/or time steps. We apply SpecAugment on end-to-end speech translation tasks and achieve up to +2.2% BLEU&nbsp;on LibriSpeech Audiobooks En&rarr;Fr and +1.2% on IWSLT TED-talks En&rarr;De by alleviating overfitting to some extent. We also examine the effectiveness of the method in a variety of data scenarios and show that the method also leads to significant improvements in various data conditions irrespective of the amount of training data.</p>", 
  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "Human Language Technology and Pattern Recognition Group Computer Science Department, RWTH Aachen University, 52062 Aachen, Germany &  AppTek, 52062 Aachen, Germany", 
      "@type": "Person", 
      "name": "Bahar, Parnia"
    }, 
    {
      "affiliation": "Human Language Technology and Pattern Recognition Group Computer Science Department, RWTH Aachen University, 52062 Aachen, Germany &  AppTek, 52062 Aachen, Germany", 
      "@type": "Person", 
      "name": "Zeyer, Albert"
    }, 
    {
      "affiliation": "Human Language Technology and Pattern Recognition Group, Computer Science Department, RWTH Aachen University, 52062 Aachen, Germany", 
      "@type": "Person", 
      "name": "Schl\u00fcter, Ralf"
    }, 
    {
      "affiliation": "Human Language Technology and Pattern Recognition Group Computer Science Department, RWTH Aachen University, 52062 Aachen, Germany &  AppTek, 52062 Aachen, Germany", 
      "@type": "Person", 
      "name": "Ney, Hermann"
    }
  ], 
  "headline": "On Using SpecAugment for End-to-End Speech Translation", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2019-11-02", 
  "url": "https://zenodo.org/record/3525010", 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.3525010", 
  "@id": "https://doi.org/10.5281/zenodo.3525010", 
  "@type": "ScholarlyArticle", 
  "name": "On Using SpecAugment for End-to-End Speech Translation"
}