A two chip PCM voice CODEC with filters
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Architecture and design of a monolithic voice CODEC is described. The CODEC consists of 2 chips-the transmit chip includes the companding coder (nonlinear A/D) along with filtering functions, and the receive chip consists of the expanding decoder (nonlinear D/A) chip with its smoothing filter. Experimental results show the circuit to meet accepted requirements.
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:14
,
Issue:
6
)
Date of Publication: Dec. 1979