Computer voice stress analyzer hannibal police department. Voice stress analysis in a jail setting assessing the validity of voice stress analysis tools in a jail setting executive summary purpose. The xvsa voice stress analyzer and lie detectors click. Voicestress analysis, an alternative to the polygraph as a method for lie detection, is already widely used in police and insurance fraud investigations. As a result, police departments across the country have purchased costly vsa computer program s with the intention of supplementing or supplanting the use of the polygraph at. Advanced lie detector plus voice stress lie detector based upon nato. Computer voice stress analyzer in use by over 2,500 local, state, federal and international agencies, as well as by us military special operations and intelligence units, our patented computer voice stress analyzer is noninvasive, easy to learn, quick to use, costeffective, and over 98% accurate. Pro is an application through which you can create voice notes in mp4 format. This twoexperiment study was designed to 1 validate the underlying electronic theory of operation of the computer voice stress analyzer cvsa, and 2 examine the decision accuracy and agreement rates using the traditional polygraph instrument and the cvsa. Free voice stress analysis lie detector software software. The voice stress analyzer measures subaudible microtremors in a persons voice.
Sound files will be stored on your computer and every popular player can handle running it. A cvsa device consists of a microphone plugged into a computer, which is then used to analyze a persons response to a question. The cvsa inputoutput was evaluated using simulation signals from lab test generators. The computer will display a voice pattern as the person speaks. The cvsa product has proven most effectively employed as a partnership between the cuttingedge computer software used to analyze specific voice patterns and the expert interrogation techniques used and. Cvsa professional voice stress analysis test for police. Liarliars main purpose is to detect stress in a persons voice. The software is a fully computerized voice stress analyzer that will. Voice stress analyzer software free download voice. Liarliar an opensource computerized voice stress analysis cvsa tool.
Voice stress analysis systems, which generally include a microphone, tape recorder and related computer analysis equipment, are designed to recognize microtremor patterns that indicate when a speaker delivers words under stress, and specifically when those moments of stress are generated by an attempt to lie or deceive. With the use of these software, it is very easy to make conclusions and adjustments. Liedetector, or polygraph, tests have come a long way since a police officer developed the first machine in 1921. Whether you are new to voice stress technology or a seasoned vsa professional, we are pleased to provide you with the latest, easiest to use and most comprehensive voice stress analysis software available today, bar none. Welcome to vipre technology voice stress analysis system. Researchers with the oklahoma department of mental health and substance abuse services including this author used these vsa programs while.
The worlds advanced voice stress analyzer voice polygraph works in any language. Therefore, to help determine whether vsa is a reliable technology, nij funded a field evaluation of two programs. The lie detector test itself is free, but you will need a microphone hooked up to your computer to use it. Voice stress analysis vsa and computer voice stress analysis cvsa are collectively a technology that record and translate specific stressrelated outputs of. Digital voice stress analysis dvsa our criminal justice grant. Liarliar is a voice stress analysis tool for linux. It uses a laptop computer and a microphone to monitor voice microtremors during suspect interviews, taking into account nervousness, stimulants and other factors.
Instead of strapping a suspect to a pulsemeasuring machine to determine whether hes lying, todays voice stress analysis software can detect subtle changes, or microtremors, in a persons voice without him even knowing his voice is being analyzed. I heard somewhere that is measures the bodys streess in the voice, ie if you are more stressed there are pitch changes in your voice. Xvsa is an innovative, advanced and sophisticated software system and a fully computerized. Shakyvoice a voice stress analysis tool codeproject. Instead of strapping a suspect to a pulsemeasuring machine to determine whether hes lying, todays voice stress analysis software can detect subtle changes, or microtremors, in a persons voice without him even knowing his voice is being. In january, lake in the hills police became the first department in illinois to use the voice stress analysis software and testing method from the baker group. Top 4 download periodically updates software information of voice stress analysis full versions from the publishers, but some information may be slightly outofdate using warez version, crack, warez passwords, patches, serial numbers, registration codes, key generator, pirate key, keymaker or keygen for voice stress analysis license key is illegal. Xvsa is an innovative, advanced and sophisticated software system and a fully computerized voice stress analyzer that allows. Xvsa is a voice lie detector software and the worlds nr.
Download links are directly from our mirrors or publishers website, voice stress analysis torrent files or shared files from rapidshare, yousendit or. Voice stress analysis vsa and computer voice stress analysis cvsa are collectively a pseudoscientific technology that aims to infer deception from stress measured in the voice. Xvsa is a voice stress analysis lie detector software. Get the most technically advanced voice stress analysis system that has been produced. Background investigation, medical examination, drug test, psychological evaluation, and a computer voice stress analyzer to verify application information. Download voice stress analysis software free and other related softwares, clownfish for teamspeak, clownfish translator for skype, skype, wireshark, yahoo. Change your voice over ip and pc to phone in real time. The cvsa records the human voice using a microphone, and the technology is based on the tenet that the nonverbal, lowfrequency content of the voice conveys information about the physiological. The heightened pace of the digital age is rapidly transforming lie detection reliance from the mostly commonly used testing, polygraph, to computerbased voice stress testing cvsa. Voicestress analysis systems, which generally include a microphone, tape recorder and related computer analysis equipment, are designed to recognize microtremor patterns that indicate when a speaker delivers words under stress, and specifically when those moments of stress are generated by an attempt to lie or deceive.
It measures only one of the many voice parameters that expose the stress, however, this is exactly what most of these cheap phone conversation lie. Quick to use, very easy to learn, costeffective and over 98% accurate. After the vote is recorded, the scanning process starts automatically, after which a diagram of stress versus time is generated. Bid history for computer voice stress analyzer auction start date. Voice stress analysis for windows downloads voice stress. Find related downloads to voice stress analysis 2015 freeware and softwares, download clownfish for teamspeak, super clear cookies, clownfish translator for skype, quicktime player, process explorer. The computer voice stress analyzer technology was introduced in 1988 and has since seen everincreasing use in the lawenforcement community. Xvsa pro cobra voice stress analysis lie detector software. The most advanced voice analysis technology available today. It is compatible for a typical window laptop or windows tab 8 and above. Voice stress analysis software free download voice. Manufacturer and sole source for the patented computer voice stress analyzer. For microsoft windows 98, me, nt, xp, vista and windows 7810.
It has both offline and online map operation modes, additionally you can also download maps using the zuppa gcs software. Usually, lie detection software uses voice analysis solutions. Cvsa and other voice stress analysis applications computer voice stress analysisanother pseudoscientific form of lie detectionis used by some law enforcement agencies as an alternative to the polygraph. Pdf voice analysis for detection of deception researchgate. A computer voice stress analyzer cvsa is a truth verification system. For microsoft windows 98, me, nt, xp, vista and windows 78.
Computer voice stress analyzer swansea, il official. It has data analyzer tools as well as playback and post flight analysis features. The dell latitude is a rugged system designed for the rigors of daytoday use. The above voice stress analysis search results are freeware or software in full, demo and trial versions for free download. Other voice stress analysis products like truster, truster pro, handy truster, and layered voice analysis have also been promoted. The software is called prevaricator and it uses voice stress analysis vsa to detect lies. Audio analyzer software is an important tool that helps in understanding the finer details of an audio file so that the different aspects can be identified and utilized. Xvsa is an innovative, advanced and sophisticated software system and a fully computerized voice stress analyzer that allows you to detect the truth instantly.
Manufacturers of voice stress analysis vsa devices have suggested that their devices are able to measure deception with great accuracy, low cost, and little training. A better title for this app would be the voice stress analyzer. Even with the best computer microphone money can buy, its still difficult to get a truly accurate reading from a vsa lie detector test. In this post, we will discuss some of the best software in this category that you can download together with their top features to. Assessing the validity of voice stress analysis tools in a. The city of benton is an equal opportunity employer and does not discriminate in its employment practices on the basis of race, sex, age, religion, national origin, or physical or mental. Unlike a polygraph, there are no wires to attach, no graphs to chart. The vsa operator asks a series of questions, establishes a base line for what the system interprets as truthful voice levels as well as false or deceptive voice levels, and. Voice stress analysis lie detector software apps vsa.
This is a very highaccuracy, advanced and easy to use voice analyzer software for defense. Shakyvoice initially codenamed batterydrainer pro is a simple voice stress analysis tool for your pocket pc. It basically does what it says in the description, it analyzes the voice of a person for the signing of stress. These 2 lie detecting programs for pc will help you determine the. Now you can turn your computer into a truth verification device and a real portable voice. Pdf voice stress devices and the detection of lies researchgate.