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> Looking For (free) Lie Detector Software.
IniX
post Apr 21 2006, 03:25 PM
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I'm looking for a good lie detector (polygraph) software, does anyone know a free one?
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Jeigh
post Apr 21 2006, 03:26 PM
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Polygraph...software? Wouldn't you require polygraph equipment before the software would be any good anyways? Unless I'm misunderstanding what you are asking for...
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IniX
post Apr 21 2006, 03:31 PM
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Well, you also have voice detectors. Sorry if I didn't include this.
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Jeigh
post Apr 21 2006, 03:35 PM
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Oh... never even thought of that. I'd imagine you couldn't get a (good) free one since you'd need a fairly high quality piece of software to accurately determine changes in stress levels and whatnot from someone talking into a mic. Plus you'd need a good mic or the software would be undermined by tech deficiencies. Its a cool idea though, I know I could make use of a polygraph now and again haha.
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miCRoSCoPiC^eaRt...
post Apr 22 2006, 04:01 AM
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Yeep - not only a mic with excellent pickup, you also need a soundproof room with no ambient noise pilfering in. Lie detection based on voice-pitch modulation isn't an easy task and moreover, it can be fooled easily by someone with a little experience. More often its found that compulsive liars (who in fact totally believe in the stuff they say) come out in flying colors through this.
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Opethian
post Apr 30 2006, 05:07 AM
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This is a very rough request! There was a lie detector program available for mobile phone and I even had a friend that got into a ifhgt with his girlfriend (now his ex) because of this.

There are several things that you may want to think about before requesting such a thing. First, how in the world will you be using something like this? Are you talking about guides on how to become a "human lie detector"? Second, what are you going to use it for? Maybe you're just paranoid hehe!
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randomdood
post May 21 2006, 06:57 AM
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i wouldn't brake up cuz of a mobile^^ but if i were you i would just google it
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iGuest
post Mar 3 2008, 09:06 PM
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lie detector
Looking For (free) Lie Detector Software.

Did you find any free lie detector software? I would like to get my hands on it too. Let me know mate pls.

-reply by calum
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Darasen
post Apr 17 2008, 05:37 AM
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At the risk of sounding offensive you have been watching too much TV. The only input device readily available for a PC would be a microphone thus limiting you to voice analysis which is unreliable. Voice analysis can be read wrong for a number of reasons such as accents or having a sore throat. Voice can be fooled easily as well. Worse than not picking up lies from voice is the issue of statement being falsely identified as untrue. this applies to both VSA and LVA.

An actual polygraph detector operator had to go through several months of training to operate one reliably. The detector does not just print out truth or lie. the results have to be read and analyzed.

In other words it would be equally reliable to use a magic 8 ball.
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superJazz
post Apr 20 2008, 02:01 PM
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I don't ,like many others, think you are going to get that type of quality and accuracy from free software. Here are my reasons why you would not be able to do what you want without cost:
  1. You will need a ultra good microphone
  2. You will need a sound-proofed room
  3. You will need a high amount of hard disk, CPU and RAM for it to work without interrupting any other software
  4. You will need the software

You will also need training if you can find a free polygraph detector so you can read the results accurately sad.gif

Sorry i can't be more help.
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