Accession Number:

AD0773182

Title:

Automatic Recognition of Continuous Speech: Further Development of a Hierarchical Strategy.

Descriptive Note:

Final rept. 28 Jun 72-30 Aug 73,

Corporate Author:

ROCKWELL INTERNATIONAL CORP ANAHEIM CALIF ELECTRONICS RESEARCH DIV

Report Date:

1973-11-01

Pagination or Media Count:

178.0

Abstract:

ACT PERIOD HAS BEEN PRIMARILY DEVOTED TO THE FOLLOWING MAJOR TASKS 1 implementation of a digital software spectral analysis procedure based on Fast Fourier Transform techniques 2 development of a clustering procedure for the purpose of obtaining steady-state phonetic referents 3 modification of segmentation and dual classification algorithms to promote compatibility of these stages with front-end processing and the sublanguage 4 development of an improved transeme classification technique involving dont care states in the feature vector 5 implementation of a revised procedure for phoneme-to-grapheme translation based on global search of phonetic paths 6 incorporation of second-order transition constraints in the phonetic lexicon for the purpose of eliminating phonologically invalid paths 7 use, for evaluation purposes of a sublanguage possessing a more diverse syntactic structure including declarative, interrogative, and imperative sentences. Modified author abstract

Subject Categories:

  • Computer Programming and Software
  • Voice Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE