TECHNICAL SPECIFICATION: SMART BIO-SENSING INTERVIEW ROOM (SBSR)
1. PROJECT OVERVIEW
The SBSR is an advanced biometric and metabolic data acquisition environment. It transforms a standard interview space into a passive bio-sensor by utilizing fluid dynamics to capture and analyze human metabolic outputs (VOCs, aerosols) and physiological markers (radar/thermal) without physical contact.
2. SUBSYSTEM I: ATMOSPHERIC CONTROL & FLUID DYNAMICS
The scientific foundation is based on the “Carrier Aerosol” principle, ensuring that metabolic markers reach sensors with maximum integrity.
- 2.1. Laminar Airflow Architecture:
- Inlet (Ceiling): HEPA-filtered laminar flow diffusers to create a downward “air curtain.”
- Exhaust (Localized Suction): Hidden high-sensitivity suction ports integrated into the desk or front panel of the interviewee.
- Objective: To prevent the dispersion of respiratory droplets and direct the “loaded” aerosols toward the chemical analysis manifold.
- 2.2. Environmental Stabilization:
- Absolute Humidity Control: Maintained at 50-60% RH to prevent rapid evaporation of droplets, ensuring that chemicals like Ammonia (NH_3) remain trapped in the liquid phase for analysis.
- Chemical Purge Mode: A 5-minute pre-session cycle using photocatalytic oxidation and activated carbon to establish a “Chemical Zero” (Blank Slate).
3. SUBSYSTEM II: MULTI-MODAL SENSOR MATRIX
The system utilizes four distinct layers of data acquisition to eliminate “false positives.”
| Layer | Technology | Primary Target |
|---|---|---|
| Molecular | PTR-TOF-MS (Proton Transfer) | NH_3, Acetone, Isoprene (Metabolic Stress). |
| Biometric | W-Band Doppler Radar (24GHz) | Heart Rate Variability (HRV) and Respiration Rate. |
| Thermal | High-Definition Infrared | Periorbital heat flux and micro-perspiration tracking. |
| Aerosol | Laser Particle Counter (LPC) | Droplet size distribution (Detection of Mucosal Dryness). |
4. SUBSYSTEM III: AI DATA FUSION & ANALYTICS
The system does not rely on single-point data. It calculates the Autonomous Nervous System (ANS) Deviation Score.
- Baseline Calibration: The first 10 minutes of the session are used to establish the subject’s “Molecular Signature.”
- Synergy Logic: If the Radar shows a stable heart rate but the VOC sensor detects a spike in Ammonia and Isoprene, the system flags “Masked Cognitive Load” (High internal stress suppressed by external behavior).
5. ETHICAL GOVERNANCE & REGULATORY SAFEGUARDS
To comply with international human rights and bio-privacy laws, the following “Digital Constitution” is hard-coded into the system:
- 5.1. Informed Consent (Transparency): The system will not initialize “Record Mode” unless the subject acknowledges the presence of bio-sensing technology.
- 5.2. Anti-Manipulation Lock: Atmospheric parameters (Oxygen, Temperature, Humidity) are software-locked. The system cannot be used to induce physical discomfort to break a subject’s will.
- Operational Range: 20^\circ C – 24^\circ C only.
- 5.3. Bio-Data Purge Policy: All molecular and raw radar data must be cryptographically shredded within 72 hours of the report generation.
- 5.4. Non-Conclusive Status: The system’s output is legally defined as a “Decision Support Note” and cannot be used as sole evidence for a verdict.
6. BILL OF MATERIALS (BOM) – PROTOTYPE LEVEL
- SBSR-Air: 4x Silent DC fans, Laminar Diffuser Plate, PID-controlled Humidifier.
- SBSR-Chem: Ultra-sensitive NH_3 electrochemical sensor (<1ppm) and Multi-Gas VOC Array.
- SBSR-Vital: Non-contact Microwave Doppler Sensor (FMCW).
- SBSR-Vision: Thermal imaging sensor (Sensitivity \pm 0.1^\circ C).
Conclusion
This specification ensures a contactless, wireless, and scientifically grounded observation environment. By treating the air as a data-carrying medium—much like a hair salon treats it as a chemical environment—the SBSR provides an unprecedented look into human physiology and cognitive stress.
Compliance Note: This design adheres to the Ethical AI standards and GDPR/Bio-Privacy protocols of the UK, EU, and USA.
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