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Technology Stocks : e.Digital Corporation(EDIG) - Embedded Digital Technology
EDIG 0.00010000.0%Mar 20 5:00 PM EST

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To: chris431 who wrote (4656)5/25/1999 12:01:00 PM
From: Walter Morton   of 18366
 
"If I recall, I mentioned WM [Watermarkiing]wouldn't be used nearterm for portable music players..."

-----Original Message-----
From: Michael Robb <robb@cognicity.com>

Date: Tuesday, May 25, 1999 9:57 AM
Subject: RE: AudioKey

>
>Walter, thank you for the background. In regards to "Watermarking is too
>big a processing load [for a DSP], and not easy to do"... Moore's Law tells
>us that this issue or concern will become a non-issue on the next twist of
>the knob. If I recall, I mentioned WM wouldn't be used nearterm for
>portable
>music players... but the next generation, when the price performance has
>been improved and the code skinned down, it will be used at this point.
>Watermarking is the ONLY PERSISTENT security or content control that
>becomes part of the content, the actual signal. All others using encryption
>can either beat the encryption or easy, when it is rendered and sent to the
>speakers, you capture it at that time. Until speakers handle decryption,
>you'll always have this issue. If you want to know more about Lucent's
>work with Cognicity and portable music players, check out e.Digital. By
>the way, embedding can be used with online music in more than just
>access restriction... the transactional watermark that provides the audit
>trail of who sold is also crucial.
>
>I hope this helps. Michael...
>
>
>-----Original Message-----
>
>Sent: Monday, May 24, 1999 9:55 PM
>To: robb@cognicity.com
>Subject: Re: AudioKey
>
>I am an investor. This statement was made in
>an article recently"
>
>"Some consumer OEMs and chip companies argue that authentication and
>encryption could be easily handled on a DSP in a cost-effective portable
>device. But not watermarking. "Watermarking is too big a processing load
>[for a DSP], and not easy to do," TI's Johnson said."
>
>http://www.techweb.com/se/directlink.cgi?EET19990503S0003
>
>Is that statement in conflict with your statement below:
>
>"...if at the device level, then our extract would need to be moved down to
>a DSP chip (which has been determined)."
>
>You mentioned that Lucent is using AudioKey. Is Lucent using AudioKey in
>the DSP chip?
>
>Thank you,
>
>Walter Morton
>
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