Speech recognition with a competitive probabilistic radial basis neural network

Nima Yousefian, Azarakhsh Jalalvand, Pooyan Ahmadi, Morteza Analoui

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Automatic speech recognition (ASR) has been subject of active research in the last few decades. In this paper we study the applicability of a special model of radial basis probabilistic neural networks (RBPNN) as a classifier for speech recognition. This type of network is a combination Radial Basis Function (RBF) and Probabilistic Neural Network (PNN) that applies characteristics of both networks and finally uses a competitive function for computing final result. The proposed network has been tested on the voices single digit numbers dataset and produced lower recognition error rate in comparison with other common pattern classifiers. All of classifiers use Mel-scale Frequency Cepstrum Coefficients (MFCC) and a special type Perceptual Linear Predictive (PLP) as their features for classification. Results show that PLP features yield better recognition rate by considering noisy dataset.

Original languageEnglish (US)
Title of host publication2008 4th International IEEE Conference Intelligent Systems, IS 2008
Pages719-723
Number of pages5
DOIs
StatePublished - 2008
Externally publishedYes
Event2008 4th International IEEE Conference Intelligent Systems, IS 2008 - Varna, Bulgaria
Duration: Sep 6 2008Sep 8 2008

Publication series

Name2008 4th International IEEE Conference Intelligent Systems, IS 2008
Volume1

Conference

Conference2008 4th International IEEE Conference Intelligent Systems, IS 2008
Country/TerritoryBulgaria
CityVarna
Period9/6/089/8/08

All Science Journal Classification (ASJC) codes

  • Artificial Intelligence
  • Information Systems
  • Electrical and Electronic Engineering

Keywords

  • Probabilistic networks
  • Radial basis function
  • Speech recognition

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