Gentlemen reading mail part II

Steve Schear s.schear at comcast.net
Tue Mar 2 07:38:09 PST 2004


At 06:50 AM 3/2/2004, Tyler Durden wrote: >"How about a pseudo random
"conversation" generator appliance for the >person trying to mask their
speech. If it closely models the vocal tract, >language and language
characteristics of the speaker it might be extremely >difficult to remove
as background noise." > >There are plenty of CDs of conversations out
there. Moreover, it would be >easy to simply record a fairly banal
conversation oneself was having. Then >put it on a CD player that has
repeat mode. That would require too much work on the part of the person
and could only be used safely as a "one-time pad". Reuse would expose it
to more simplified removal. >Of course, I'm willing to believe this can
still be chopped through with >the appropriate eavesdropping gear. I'm
not so sure. If the appliance can create the ambience of a noisy party
and all its reflected sound qualities, with one or more of the voices
very close to your own, it may be beyond current signal processing
techniques to extract your real voice. >But the point is that with about
$10 bucks of investment, you now force >eavesdroppers to deploy $1000s
(or more) of gear and people. Adds a kind >of reverse DC-bias to the
situation, no? Now, only the determined will be >going after you, not
someone merely fishing for levers to be used against >you. Now, they have
to send a truck....' Indeed. steve
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