SECURE VOICE TRANSMISSION

Patent №

US 4,612,414

Granted

1986-09-16

Filed 1983

Owner

AMERICAN BELL INC., A CORP. OF DE

Lab

AI components

1

speech

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

06527962

Voice signals are transmitted over a voiceband telephone channel with a high degree of security and good voice quality by applying to the transmission channel a first signal which includes digital information derived from the vocal tract response of the signal and a second signal which includes continuous information derived from the excitation component of the voice signal.

AI classification

Speech1.00
Evolutionary computation0.03
Vision0.01
Natural language0.00
AI hardware0.00
Machine learning0.00
Planning0.00
Knowledge representation0.00

Ownership

AMERICAN BELL INC., A CORP. OF DE

assignment · 41700082

Assignors

JUANG, BIING-HWANG

On an employer assignment, the assignors are typically the inventors.

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