Formant pattern matching vocoder

Details Formant pattern matching vocoder Formant pattern matching vocoder

1986-07-03

1990-04-03

Clark, David L.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 902

Patent

active

049147021

ABSTRACT:
A vocoder for matching an input speech signal with a reference speech signal on the basis of mutual angular data developed through spherical coordinate conversion of a plurality of formant frequencies obtained from the input and reference speech signals.

REFERENCES:
patent: 4301329 (1981-11-01), Taguchi
patent: 4346262 (1982-08-01), Willems et al.
patent: 4661915 (1987-04-01), Ott
patent: 4669120 (1987-05-01), Ono
patent: 4701955 (1987-10-01), Taguchi
patent: 4715004 (1987-12-01), Kabasawa et al.
Rabiner et al., "Digital Processing of Speech Signals", Prentice-Hall, 1978, pp. 42-45.
Reddy et al., "Use of Segmentation and Labeling in Analysis-Sythesis of Speech", ICASSP 77, pp. 28-32.

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