A narrative approach for speech signal based MMSE estimation using quantum parameters

  • Authors:
  • S. Sasikumar;S. Karthikeyan;M. Suganthi;M. Madheswaran

  • Affiliations:
  • Department of Electronics and Communication Engineering, P.S.N.A. College of Engineering and Technology, Dindigul, India;Department of Electronics and Communication Engineering, P.S.N.A. College of Engineering and Technology, Dindigul, India;Department of Electronics and Communication Engineering, Thiagarajar College of Engineering, Madurai, India;Department of Electronics and Communication Engineering, Muthayammal Engineering College, Rasipuram, India

  • Venue:
  • WSEAS Transactions on Signal Processing
  • Year:
  • 2007

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Abstract

In this paper, the performance of different estimators in estimating the speech signal through Quantum parameters can be analyzed. The main objective is to estimate the speech signal by a set of linear and Non-linear estimators that are proposed to be efficient in performance. The Minimax mean square error estimator is designed to minimize the worst-case MSE. In an estimation context, the objective typically is to minimize the size of the estimation error, rather than that of the data error as a cause, in many practical scenarios the least-squares estimator is known to result in a large MSE. A comparative analysis between MMSE estimator with other linear and nonlinear estimators can be performed. The analysis proved that the MMSE estimator can outperform both from linear and nonlinear estimator.