Importance

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Abstract

A multimedia capture and audit system for a video surveillance network provides a tamper resistant and easily reviewable record of each transaction monitored. The system stores a digital record of each physical transaction registered by an electronic device in a standard predefined database format and stores a separate mixed composite video signal containing both a visual record and digital record of each transaction. The separately stored digital record and mixed composite video signal are correlated through the use of a unique system pointer. In the preferred embodiment, the unique system pointer identifies, at a minimum, the electronic device which registered the physical transaction and the date and time of the transaction. Storage of both a mixed composite video signal and digital record makes it difficult to tamper with the transaction record while maintaining a record of each transaction in a digital format provides operators the ability to compile and analyze data for audit purposes. Use of the unique system pointer makes it easy to identify and view the portion of the mixed composite video signal which corresponds to any digital record that may be flagged as of interest in an audit.

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First Claim