Title :
Integrated DTMF receiver
Author :
Callahan, Michael J., Jr.
fDate :
2/1/1979 12:00:00 AM
Abstract :
A single integrated-circuit receiver for telephone systems is described. A new detection algorithm allows for the proper detection of tones with exceptional insensitivity to speech.
Keywords :
Signalling; Telephone receivers; signalling; telephone receivers; Central office; Cost function; Decoding; Detection algorithms; Filters; Frequency; Noise level; Signal detection; Speech; Telephony;
Journal_Title :
Solid-State Circuits, IEEE Journal of
DOI :
10.1109/JSSC.1979.1051146
