How to understand that you are lying? There is a solution!

We are official representatives of the Israeli company Nemesysco.


Oral speech has 3 main aspects: the meaning transmitted through words, the timbre of speech or voice, unique to each person, and finally the intonation through which emotions are transmitted. Communicating every day, we all distinguish between these three aspects: we recognize a person by his voice, we understand his mood by intonation, and finally we exchange information with words. There is only one BUT, not everyone is equally good at all three aspects of speech. We can, for example, by calling on the phone, confuse a person by voice. A lot of conflicts occur because of mutual misunderstanding, so the same diplomats, lawyers and programmers for a long time learn to clearly convey information in words. Determining a person’s mood by voice is very difficult, and for many this is especially difficult. A man, however, knows how to adapt and he will always close any of his weaknesses with any tools. One such versatile tool is a computer.


15 years ago, the Israeli company Nemesysco developed the “Voice Analysis Level” (LVA) algorithm, which allows a computer to analyze a person’s speech and clearly determine the speaker’s emotional state. This algorithm formed the basis of many programs that allow to determine the emotional state and even character traits by recording a person’s voice. However, the most interesting are the programs adopted by many special services and law enforcement agencies, allowing you to determine by voice whether a person is telling the truth or trying to hide something. Subsequent studies have shown that these programs allow you to determine the veracity of a person with even less error than a bulky and complex polygraph.

However, it is worth noting that Nemesysco tries not to use the term “lie detector”, and is more inclined to the term “risk analysis” and for several reasons. The main reason, of course, is that a lie is not something tangible that can easily be distinguished by color or shape. Even from a philosophical point of view, if a person was deceived, and he retells the lie in which he believed - does he tell a lie? Also, in most cases, you can just keep silent instead of lying in order to hide any information. Therefore, neither a polygraph, nor any programs, even in theory, can be “lie detectors” in the sense in which the majority understands this term; it is impossible to determine a lie with absolute accuracy; it is only possible to assess the risk probabilistically.

So, how do programs from Nemesysco work? The algorithm analyzes the speaker’s voice and populates a table with eight basic emotional states, such as anxiety and self-confidence, and displays the results in real time. The algorithm also estimates sharp changes in the values ​​in these columns and correlates them with the current situation and displays a numerical risk assessment in this topic. A high risk does not automatically mean that a person has lied, but shows that a person was suspicious with a given question or topic and possibly hides something, which gives the examiner a sign to study this question or topic more thoroughly. Despite all the accuracy and seemingly ease of use, the human factor is also present here and therefore some training is nevertheless required for the effective use of Nemesysco programs.


Where are Nemesysco programs used? As mentioned earlier, many special services, such as the Russian Ministry of Internal Affairs, more than a thousand different police stations in the United States, the government of Mexico, South Africa, Slovakia, Israel and many others use the professional tool LVA360 for everyday work, such as interrogating witnesses or suspects. LVA360 - the most complex of Nemesysco programs, designed for professional investigators, but also accessible to ordinary mortals; however, in order to start using it, you must complete a week-long training course face-to-face with a Nemesysco representative.

LVA-i tool designed specifically for the human resources department. It is somewhat simpler than the LVA360, but it is much cheaper and requires only an hour of instruction before use. LVA-i allows you to analyze the risks of hiring and is widely used by many banks, financial firms and security agencies. As the saying goes, “frames decide everything” and it’s hard to overestimate a person’s reliability before giving him weapons or keys to a safe.

We are official representatives of the Israeli company Nemesysco, and we can offer their products (the prices are the same as those on their official website and also give all the necessary advice.






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