Ubiquitous and Robust Text-Independent Speaker Recognition for Home Automation Digital Life

  • Authors:
  • Jhing-Fa Wang;Ta-Wen Kuan;Jia-Chang Wang;Gaung-Hui Gu

  • Affiliations:
  • Department of Electrical Engineering, National Cheng-Kung University, Tainan City, Taiwan, R.O.C. 701;Department of Electrical Engineering, National Cheng-Kung University, Tainan City, Taiwan, R.O.C. 701;Department of Electrical Engineering, National Cheng-Kung University, Tainan City, Taiwan, R.O.C. 701;Department of Electrical Engineering, National Cheng-Kung University, Tainan City, Taiwan, R.O.C. 701

  • Venue:
  • UIC '08 Proceedings of the 5th international conference on Ubiquitous Intelligence and Computing
  • Year:
  • 2008

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Abstract

This paper presents a ubiquitous and robust text-independent speaker recognitionarchitecture for home automation digital life. In this architecture, a multiple microphone configuration is adopted to receive the pervasive speech signals. The multi-channel speech signals are then added together with a mixer. In a ubiquitous computing environment, the received speech signal is usually heavily corrupted by background noises. An SNR-aware subspace speech enhancement approach is used as a pre-processing to enhance the mixed signal. Considering the text-independent speaker recognition, this paper applies a multi-class support vectors machine (SVM)[10][11] instead of conventional Gaussian mixture models (GMMs)[12]. In our experiments, the speaker recognition rate can averagely reach 97.2% with the proposed ubiquitous speaker recognitionarchitecture.