Audio Overlapped by Data

Negative Starting Address of the First Audio Track

Here is another dirty trick: To protect audio CD against copying, edit the TOC by setting the address of the first audio track so that it points to the area preceding the Lead-in. In other words, assign it a negative offset (Fig. 7.2).

image from book
Fig. 7.2: The negative starting address of the first audio track prevents disc playback on PC CD-ROM

This protection is cracked in a way similar to those considered before. Therefore, we won t concentrate here on a detailed discussion.



CD Cracking Uncovered. Protection against Unsanctioned CD Copying
CD Cracking Uncovered: Protection Against Unsanctioned CD Copying (Uncovered series)
ISBN: 1931769338
EAN: 2147483647
Year: 2003
Pages: 60

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