Title :
Communications: Bell´s echo-killer chip: Annoying echoes in two-way conversations via satellite are eliminated by using an inexpensive silicon circuit
Author :
Duttweiler, D.L.
Author_Institution :
Bell Labs., Holmdel, NJ, USA
Abstract :
Describes how annoying echoes in two-way conversations via satellite are eliminated by using an inexpensive silicon circuit which is an IC containing more than 30000 transistors.
Keywords :
echo suppression; large scale integration; monolithic integrated circuits; satellite relay systems; Si integrated circuit; echo canceller; Delay; Encoding; Integrated circuits; Laboratories; Satellite broadcasting; Satellites; Speech;
Journal_Title :
Spectrum, IEEE
DOI :
10.1109/MSPEC.1980.6368418
