When a person is being honest the average sound in that range is generally in the lower frequencies, but is usually higher in dishonest situations.Īll muscles in the body, including the vocal chords, vibrate. Researchers found that frequencies in the human voice are sensitive to honesty. The VSA engine will not be activated when a conference call is record, since more then one talker will be saved in that audio channel. If set to Mono, VSA will not be activated. It will work well when a single talker is recorded, so you should use stereo file format recording. The Kish Kish Software VSA engine analyses the full audio file. Then just playback the recorded audio conversation and you will see that persons Stress Levels in the Voice Analysis window. Just set KishKish SAM on automatic recording and you can opt-out on all the notifications to disable the audio and text notification. Then listen closely and look at the "Stress Level".įirst thing is to start getting used to record all your call. You can jump to the "interesting" (high stress) section by clicking the VSA graph. * A stress level graph of the whole audio file Just keep a record of all your phone calls and monitor them for lies or high stress levels. With the use of KishKish SAM VSA you can monitor whole conversation and see the stress level of the person you talked with. Now KishKish SAM offers you a tool to detect the lies you hear on your phone. In the 90s the first Computerized VSA (CVSA) systems came to out to the market. The use of Voice Stress Analysis (VSA) as a lie detector became popular in the late 1970s and 80s. Voice Stress Analysis (VSA) is a type of KishKish lie detector which measures stress in a person's voice.
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