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
Ownership
AMERICAN BELL INC., A CORP. OF DE
assignment · 41700082
Assignors
JUANG, BIING-HWANG
On an employer assignment, the assignors are typically the inventors.