H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/27
H04B 1/64 (2006.01) H03M 7/30 (2006.01) H04J 3/18 (2006.01)
Patent
CA 1287376
ABSTRACT OF THE DISCLOSURE A digital linked compressor-expander telecommunications system (Lincompex), is implemented using a general purpose digital signal processor wherein the compression and expansion functions are performed by blocks of programmed code. Input audio analog signals are converted to parallel data digital signals whereupon the digital signals. are input for processing. After processing, the resultant signals are passed to a 16-bit digital-to-analog converter where either the compressed of expanded digital voice data signal is converted back into an audio frequency analog signal for either transmission or Communication on an output device.
600255
Eldon John
Leveque James Howard
Williams Frederick A.
Amaf Industries Inc.
G. Ronald Bell & Associates
Trw Inc.
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