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Subvocal Speech - Speaking Without Saying a Word
By Iddo, Section Interviews
Posted on Mon Oct 16, 2006 at 11:45:23 PM PST

Technology In two years time a technology that will enable users to speak without uttering a sound might become commercially available. The ability to communicate silently could assist us in every day situations such as a phone conversation on a crowded subway or simply anytime we'd prefer that others wouldn't hear us. It could aid security and special operations forces, people with vocal cord problems, and might even find a place in gaming.

Seven years ago a modest NASA research program aimed at developing the ability to capture, analyze, and recreate subvocal speech was initiated as part of NASA's Extension of the Human Senses program. The subvocal speech-recognition research, headed by Dr. Charles Jorgensen, was initially aimed at developing silent communication and speech augmentation in extremely noisy environments such as the space station. It soon became clear that the technology could have many other applications as well; it could enable bodyguards, security personal, or Special Forces during highly covert operations to communicate without detection, and tank commanders to give orders even during noisy fighting conditions.


More from TFOT on Subvocal speech...

Subvocal Speech - Speaking Without Saying a Word | 1 comment (1 topical, 0 hidden)

Not quite undetectable. (none / 0) (#1)
by rusty0101 on Wed Oct 18, 2006 at 02:56:27 PM PST
Pretty much every method of moving the subvocal speach from the 'speaker' to the listener, is going to involve some form of detectable communications means. Radios work well unless you need radio silence. Spred Spectrum can help, but is hardly undetectable. Optical links may seem like a near panacea, but if you can't see the person you are trying to talk with, it's not likely that an optical system will work. Even if you can, optical sensors very well may note the light system being used for communications. And of course no covert ops would even consider using a wire based ssytem. (Granted if you are right next to each other that may work, but how do you tell the sniper to start the mission from 200 feet away?)

That's not to say that this won't be used very heavily in the covert ops market. Just that it is not by definition undetectable. The real effort in nearly all covert ops is to get under the perception level of the opposition. This will help.

-Rusty



Subvocal Speech - Speaking Without Saying a Word | 1 comment (1 topical, 0 hidden)

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