Accession Number:

AD0735921

Title:

The Cepstrum, The Cepstrally Smoothed Log Spectrum and the Chirp-Z Transform

Descriptive Note:

Technical memo. Jul-Dec 1971

Corporate Author:

SYSTEM DEVELOPMENT CORP SANTA MONICA CA

Personal Author(s):

• Ritea, H. B.

Report Date:

1972-01-05

Pagination or Media Count:

23.0

Abstract:

Several digital signal processing algorithms useful in speech research are presented The cepstrum pitch detector The cepstrally smoothed log spectrum The Chirp Z-transform. FORTRAN codes and examples accompany the discussions.

Descriptors:

• *INTEGRAL TRANSFORMS
• *SPEECH RECOGNITION
• COMPUTER PROGRAMS
• DIGITAL COMPUTERS
• FOURIER ANALYSIS
• POWER SPECTRA
• SERIES(MATHEMATICS)
• SPECTRUM ANALYZERS
• SUBROUTINES

Subject Categories:

• Cybernetics
• Voice Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE