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A robust speech recognition system against the ego noise of a robot

  • Gökhan Ince*
  • , Kazuhiro Nakadai
  • , Tobias Rodemann
  • , Hiroshi Tsujino
  • , Jun Ichi Imura
  • *Bu çalışma için yazışmadan sorumlu yazar
  • Honda Motor Co., Ltd.
  • Tokyo Inst. Technol., 2-12-1 O.

Araştırma sonucu: Kitap/Rapor/Konferans Bildirisinde BölümKonferans katkısıbilirkişi

1 Atıf (Scopus)

Özet

This paper presents a speech recognition system for a mobile robot that attains a high recognition performance, even if the robot generates ego-motion noise. We investigate noise suppression and speech enhancement methods that are based on prediction of ego-motion and its noise. The estimation of egomotion is used for superimposing white noise in a selective manner based on the ego-motion type. Moreover, instantaneous prediction of ego-motion noise is the core concept to establish the following techniques: ego-motion noise suppression by template subtraction and missing feature theory based masking of noisy speech features. We evaluate the proposed technique on a robot using speech recognition results. Adaptive superimposition of white noise achieves up to 20% improvement of word correct rates (WCR) and the spectrographic mask attains an additional improvement of up to 10% compared to the single channel recognition.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıProceedings of the 11th Annual Conference of the International Speech Communication Association, INTERSPEECH 2010
YayınlayanInternational Speech Communication Association
Sayfalar2070-2073
Sayfa sayısı4
Yayın durumuYayınlandı - 2010
Harici olarak yayınlandıEvet

Yayın serisi

AdıProceedings of the 11th Annual Conference of the International Speech Communication Association, INTERSPEECH 2010

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