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Ubiquitous Environmental Noise Removal Method on Smart Devices for High-Quality Internet Telephony Service

  • Journal of Knowledge Information Technology and Systems
  • Abbr : JKITS
  • 2011, 6(1), pp.149-155
  • Publisher : Korea Knowledge Information Technology Society
  • Research Area : Interdisciplinary Studies > Interdisciplinary Research
  • Published : February 28, 2011

Jang, Byeong-Ok 1

1나사렛대학교

Candidate

ABSTRACT

This paper presents noisy signal removal method on smart devices for internet telephony service at the ubiquitous environment. In order to reduce the environmental noise signal without speech distortion efficiently in a pervasive home environment, we provide a new Wiener filtering based reduction technique with pre-processing on various smart devices at a pervasive home. For various noisy conditions like White Gaussian, fan, air-conditioner, babble, shower-bath noises, etc., at home, the perceptual evaluation of speech quality (PESQ) evaluation is performed to evaluate the performance of the proposed method.

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