Rus Eng

LX Computerized Polygraph Software

Product Code: LXSOFTWARE
LX Computerized Polygraph Software

Windows-based since 1994, the LX Computerized Polygraph Software offeres unparalleled ease of use and proven reliability, and is Windows 7 and Windows Vista compatible. LXSoftware comes with the Polyscore and Objective Scoring System (OSS-2 and OSS-3) scoring algorithms. The world's leading polygraph experts agree that LXSoftware is the most advanced and sophisticated software on the global polygraph market.

Our Windows-based systems offer unparalleled ease of use and proven reliability. LXSoftware version 11.7.1 is bundled with the PolyScore 7.0h and Objective Scoring System (OSS-3) 1.9 scoring algorithms.


  • Support for LX6!
  • Updated Drug Reference
  • Added Administrative Opinion to the Final Call options
  • Lafayette PI-DAS can be used as an EDA sensor
  • New Multimedia Bar shows duration of multimedia presented
  • Ability to see unique serial number of attached DAS

  • Compatible with Windows Vista, Windows 7, 8, and 10
    • Mac support is also available via Parallels┬« or another virtualization software.
  • New Respiration Line Excursion (RLE) Tool
    • The RLE tool measures the ratio of the relevant response divided by the comparison response and produces a suggested pneumograph score. As the examiner selects a relevant question, the tool normalizes it to all other questions on the chart and displays the R/C measurement ratio.
  • New ESS Report Generator
    • Uses scores from the manual score sheet to formulate a printable report and summary conclusion paragraph to describe the test results of event-specific and multi-issue exams.
    • Report includes both a categorical result and a statistical classifier in the form of a p-value, confidence level or odds ratio, and also includes the manual scores and information about test accuracy.
  • PLE Pulse Amplitude Tool
    • A virtual sensor derived from the PPG sensor providing a visual comparison of the pulse amplitude changes in the PPG data around the question onsets.
  • EDA Design (6) EDA choices (GSR or GSC - Tilt table, detrended, and automatic)
    • Supports the LX5000 GSR or GSC modes
    • Automatic: classical high-pass filter solution to EDA signal processing. Attempts to keep the trace centered on a common baseline.
    • Manual: examiner is in charge of controlling the sensor trace via centering, sensitivity, and slope adjustments. The slope may be adjusted via a slider control under the sensor arrow.
    • Detrended: hands-off solution with extremely high correspondence with the manual EDA. Attempts to keep the trace centered on a common baseline, but the sensor trace is not permitted to dip below its corresponding sensor arrow.

  • At least a 1.5 GHz processor recommended
  • 3 GB RAM for 32-bit OS or 4 GB RAM for a 64-bit OS
  • 80 GB harddrive, with at least 20 GB free for video recording
  • Windows Vista 32/64, Windows 7 32/64, Windows 8 32/64, or Windows 10 32/64
  • Support for DirectX 9 graphics with:
  • WDDM Driver
  • 128 MB of graphics memory
  • Pixel Shader 2.0 in hardware
  • 32 bits per pixel
  • Audio Output
  • Keyboard and Microsoft ┬« Mouse or compatible pointing device
  • Available USB 2.0/3.0 Ports. Connecting a video camera to an external USB hub is not recommended.
  • Digital sound card required for multimedia capabilities
  • Digital video camera required for video capture. Logitech or Microsoft web camera recommended. Many popular IP (networked) cameras are supported by LXSoftware.
  • External Microphone may be required for recording audio, depending upon host computer's configuration (e.g. no built-in microphone), examine / examinee location, ambient noise, etc.

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