[LAU] Looking for Audio Watermarking Advice & Tools

[david]

Gabriel M. Beddingfield wrote:
> On 10/23/2011 02:53 PM, Kevin Cosgrove wrote:
>>
>> On 23 October 2011 at 21:44, Nick Copeland<nickycopeland at hotmail.com>  
>> wrote:
>>
>>>>   I'm looking for a Linux solution to watermarking audio
>>>
>>> Are you looking at an open operating system to help you close your=20
>>> mind? Forget the technical issues involved=2C I personally think you 
>>> are=20
>>> talking to the wrong community: watermarking is a means of 
>>> restricting=20
>>> distribution of visual material.=20
>>>
>>> Linux is not about restricting distribution of anything.
>>>
>>> Perhaps you should raise these questions on one of the Apple mailing=20
>>> lists where you will meet equally paranoid minds. Bringing these issues
>>> up on this list is out of line.
>>
>> Have you ever signed a file with GNUPG?  That's a watermark.  Have
>> you ever used an SHA or MD5 signature of a file, and verified those
>> signatures with GNUPG?
> 
> It's my understanding that "watermarks" are more than this.  That you 
> can add a watermark to a CD and that if it is played on a computer it 
> has a phone-home feature so that Big Brother will know that an 
> (un)authorised person has been given control of the CD.

Nope, that's not watermarking.

> I never did research to see if these black helicopters are real or not, 
> However, my brother-in-law in Nashville used to get to listen to 
> pre-released albums... but since he wasn't the official reviewer, he 
> needed to play the CD's only in audio CD players -- since playing it on 
> a PC would get him and his source in Big Trouble.

It would only if the OS he used to play the CD also ran the software 
embedded on the CD.

-- 
David
gnome at hawaii.rr.com
authenticity, honesty, community