Advanced Lie Detector Plus

Advanced Lie Detector Plus


(3 stars)


Download for Android

500,000 - 1,000,000 downloads

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View bigger - Advanced Lie Detector Plus for Android screenshot
View bigger - Advanced Lie Detector Plus for Android screenshot
View bigger - Advanced Lie Detector Plus for Android screenshot
Implemented NATO algorithms form their published research on computerized voice stress analysis. I make no claims as to the accuracy of their algorithms.

* Critical Band based Teager Energy Operator autocorrelation envelope area algorithm (TEO-CB-Auto-Env).
* Adjustable playback accuracy for faster phones.
* Graphical Stress display of captured speech.
* Playback analysis speed adjustment from 25% - 100%
* First attempt at fixing Force Close on Samsung Galaxy devices.

Note: The algorithms are supposed to detect stress that is often present when someone tells you a lie and fears being caught. If you are not stressed, then it will detect nothing. Therefore, it would be counter-productive to use it on yourself as a lie-detector. Perhaps using it on someone else would be a better idea.

Furthermore, please be aware that this app uses research published by NATO. I make no claims as to the accuracy of the stress/lie detection capabilities of their algorithms. I have only implemented one particular algorithm (TEO-CB-Auto-Env), as I was curious if real world results would match their lab test results.

Feel free to read their research results and come to your own conclusion. I hope you guys enjoy this application. I cannot respond to comments, so if you want me to fix it on your phone, send me an e-mail. If you want to encourage further development, then leaving a positive comment would help.

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Recently changed in this version

* Hopefully fix crash on recording.
* bugfixes to chart engine

Comments and ratings for Advanced Lie Detector Plus
  • (50 stars)

    by Nilajah Manley on 18/10/2013

    Its not working

  • (50 stars)

    by Curtis Sylvester Jr. on 30/09/2013

    Phone view seriously? I ain't rotating my tablet just to use this thing no way

  • (50 stars)

    by Khushi Tanwar on 05/09/2013

    It is the ******** one

  • (50 stars)

    by Cindel Ehn on 30/08/2013

    Dose not even work

  • (50 stars)

    by jordan havens on 23/08/2013


  • (50 stars)

    by Francis Cook on 20/08/2013

    Just didn't work.. stopped responding.

  • (50 stars)

    by husain lakdawala on 14/08/2013

    Worst app...plz don't download...