User Rating: 2.9 (22 votes)

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User-friendly verification tool comparing the contents of a CD or DVD with the master offering: Yes, this product originally was designed for CDs and was released long before there were any DVDs. Same tool, now supports CDs, DVDs and even Blu-Ray discs.

* High speed verification
* Single Drive capability
* Printed reports for QA.

Checks completely in less than five minutes per disc, reading the entire disc as fast as the drive can provide the data. This means a 40x drive will be used at 40x. Other techniques require a lengthy process, up to 10 times longer.

This product has recently been updated for Windows Vista. All versions from 1.7.0 and later are Vista-compatible.

Features
Calculates a 32-character signature for the disc
Signature represents a mathematical calculation of every byte on the disc, including:

* Volume label
* Directory structure
* File contents

Signature can then be saved or compared against other signatures
Changing any single byte on the disc, anywhere, will result in a different signature
Signature mismatches are visually and audibly indicated

For the professional, additional features are provided:

* Through Windows, the available CD and DVD devices are listed.
* Can be used from the command line or a batch file.
* Can also be used from programming languages such as Visual Basic.