Accession Number:

AD0296333

Title:

OPTIMUM SPEECH SIGNAL MAPPING TECHNIQUES

Descriptive Note:

Corporate Author:

SYLVANIA ELECTRIC PRODUCTS INC WALTHAM MA

Personal Author(s):

Report Date:

1962-09-28

Pagination or Media Count:

122.0

Abstract:

Investigations of the analysis of speech in terms of a fixed exponential function series were carried out. The analysis-synthesis processing was performed via digital computers operating with digitized speech. The results indicate that the representation used is an efficient one for speech waveform analysis and that the information content of the speech is preserved when phase information is eliminated. The spectral coefficients after phase elimination are not found to be an efficient representation for the amplitude spectrum. Other results show that the method of analysis is not limited to the speech of one individual. Analytical studies indicate that it is possible to optimize the method of analysis to essentially perfect its efficiency for speech waveform analysis. Normalized, phase eliminated, spectral patterns derived for ten vowel utterances by five talkers indicate the feasibility of performing both automatic vowel andor automatic speaker recognition using the orthonormal coefficient data.

Subject Categories:

  • Linguistics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE