Ethnicity

Methods for Speech Recognition

A Project for the Spectral Analysis course ELEC 532.
Rice University, May 1998.

Group members

Jalal Benharouga Ricardo von Borries Daniel Ljunggren Pamela Loughmiller Mark Wagstaff	- - - - -	Morocco Brazil Sweden Texas U.S.A.

Table of Content

• Introduction
  
  • Speech recognition and some applications
  • Use of different models
• Power method
  
  • A "simple" method using windows
  • Based on the characteristic power-distribution
• Formant Trajectory
  
  • What is formant?
  • Analyzing frequencies
  • Identify patterns
• Cepstrum method
  
  • More advanced method, although easily implemented
  • Based on LPC analysis
  • Cepstral coefficients gives model
• Result
  
• Conclusions
  
• Future work
  
• Bibliography
  

Ethnicity group, May 4 1998