LVA 6.50Investigation Focus Tool

• A professional truth verification system which analyzes a subject’s voice, using Nemesysco’s Layered Voice Analysis technology

• Allows the investigator to concentrate on the relevant issues while conducting an investigation by reviewing the subject’s emotional response to specific questions or topics

• Designed for professional investigators : governments security organizations, law -enforcement agencies, corporate security officers, private investigators, etc.

LVA 6.50Investigation Focus Tool

• The LVA 6.50 system has three operation modes:

• Online Mode: real time analysis of face-to-face or over-the-phone conversations .

• Offline Mode: in-depth analysis of pre-recorded material.

• Investigation Mode: Uses the same techniques and questionnaires used in the standard polygraph operation (not explained in this slide show)

Core parameters

LVA 6.50 technology can detect and differentiate between various

emotional states: (Partial list)

• General Stress (survival instinct)• Emotional Stress (Excitement)• Cognitive Stress (certainty level)• Mental effort (creative mind, imagination)• Embarrassment and high concentration states• Hesitation and anticipation

ONLINE MODE Real-time analysis of conversations

Online Mode

• Provides analysis during open conversation using a microphone or over the phone.

• Highlights problematic issues in the conversation with real-time textual messages ("Truth", “High Risk", etc.) as well as using graphs view.

• Allows the investigator to identify the relevant issues in real-time and focus on those with further questions, saving precious investigation time, resources and energy.

Online Mode - Microphone

• Real-time analysis during a face-to-face interview using a Microphone• Ordinary, visible microphone• High-gain, concealed microphone

• Online mode allows the investigator to record the conversation for a thorough analysis at later time.

Online Mode - Telephone

• Allows real-time analysis during a phone conversation

• Uses Nemesysco’s special phone adapter (Supplied with the LVA 6.50 package)

• Conversation can be recorded for a thorough analysis at later time

Online Mode - process

Step 1 : Creating the subject’s voice baseline:calibrating for 10-14 seconds (as the subject initially speaks).

Step 2: Conducting the interview:The system analyzes every 1-2 seconds of the subject’s voice

Step 3: Use the visual feedback:indications include simple textual feedbacks such as "Truth", “High Risk", "Inaccuracy/ Med. Risk“, “Subject Not Sure”, "High Stress“, etc.

Online Mode - demo

OFFLINE MODEIn-depth analysis of pre-recorded material

Offline Mode

• In-depth analysis of recorded files; either imported or previously recorded with LVA Online mode.

• Higher accuracy in analysis:• Uses more parameters for higher accuracy.• Allows manual removal of noise and improvement of the

sound quality

• Provides textual and graphic feedback• Manages previous recordings/ investigations in a

simple database

Offline Mode - demo

LVA6.50 - Advantages

LVA 6.50 - Advantages

• Highly accurate and difficult to manipulate

• The suspect does not have to know or give consent to the test. (where applicable by law)

• Requires only one week of training to operate (level 1 operators).

• Allows the investigator to focus on relevant directions and reduce investigation efforts and resources.

LVA 6.50 - Advantages

• Supports Face-To-Face interviews, interviews over the phone or analysis of recorded material from almost any source.

• Language independent; detecting emotions in the voice, not the actual words spoken.

• Does not require the suspect to be hooked up to a machine.

• Most user friendly interface.

Thank you