Telephone summing circuit

Details Telephone summing circuit Telephone summing circuit

H - Electricity

04

J

363/15

H04J 3/02 (2006.01) H04M 3/56 (2006.01) H04Q 1/457 (2006.01)

Patent

CA 1140688

A B S T R A C T The addition of two digitized audio signals, each of which has been non-linearly compressed and PCM encoded, is accomplished by converting only one of the signal samples (preferably the smaller) to an exponential format value which may be linearly added to the other.

344055

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