Experiments in Variable Frame Rate Analysis for Speech Recognition

Abstract

The application of a simple variable frame rate analysis to the RSRE Airborne Reconnaissance Mission system, a continuous speech recognition system based on phone-level hidden Markov models, is described. Results are presented which show that, using standard three state models, the addition of the variable frame rate analysis results in considerably improved performance, which is close to that obtained using simple duration sensitive models. Keywords: Great Britain.

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Document Details

Document Type
Technical Report
Publication Date
Dec 15, 1989
Accession Number
ADA220727

Entities

People

  • K. M. Ponting
  • S. M. Peeling

Organizations

  • Royal Signals and Radar Establishment

Tags

DTIC Thesaurus Topics

  • Accuracy
  • Algorithms
  • Automated Speech Recognition
  • Automatic
  • Computer Programming
  • Data Rate
  • Data Reduction
  • Dynamic Programming
  • Hidden Markov Models
  • Language
  • Markov Models
  • Models
  • Phonemes
  • Probability
  • Recognition
  • Test Sets
  • Training

Fields of Study

  • Engineering

Readers

  • Computational Modeling and Simulation
  • Speech Processing/Speech Recognition.

Technology Areas

  • AI & ML
  • AI & ML - Bayesian Inference