Real-world steganography

Ben Laurie ben at
Tue Oct 1 06:59:36 EDT 2002

Peter Gutmann wrote:
> I recently came across a real-world use of steganography which hides extra
> data in the LSB of CD audio tracks to allow (according to the vendor) the
> equivalent of 20-bit samples instead of 16-bit and assorted other features.
> According to the vendors, "HDCD has been used in the recording of more than
> 5,000 CD titles, which include more than 250 Billboard Top 200 recordings and
> more than 175 GRAMMY nominations", so it's already fairly widely deployed.

Yeah, right - and green felt-tip around the edges of your CD improves 
the sound, too.




"There is no limit to what a man can do or how far he can go if he
doesn't mind who gets the credit." - Robert Woodruff

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