A flexible, bus-based architecture for a broadcast audio automation system is presented which is capable of handling any machine format. Particular emphasis is given to the digitally controlled level setting and attenuator sections, where a modified R-2R mdac topology was designed in order to implement a true log law, allowing for the optimization of the control range for a limited number of control bits.

Author: Oliveira, Antonio J.
Affiliation: Acutron, Ela, Sacavem, Portugal
AES Convention: 92 (March 1992) Paper Number: 3303
Publication Date: March 1, 1992
Subject: Computer Aided Audio Production

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