A detailed examination of the digital logic Integrated Circuits (Ics) used within digital audio systems reveal modulation among the many signals generated within an individual IC, resulting in system clock jitter. In a compact disc player, digital control word signals (used for servo control, focus, etc.) and digital audio information generated from one IC affect the system clock generation found on the same IC. This jitter generation is prevalent in any digital playback system using standard IC designs. Clock jitter is measured and correlated with various digital signals.

Authors: Meitner, Edmund; Gendron, Robert
Affiliations: Museatex Audio Inc., Calgary, Alberta T2B 1N5, Canada ; Analog Devices, Inc., Wilmington, MA(See document for exact affiliation information.)
AES Convention: 91 (October 1991) Paper Number: 3105
Publication Date: October 1, 1991
Subject: Digital Electronics

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