Tobii HTC Vive VR Headset

iMotions now integrates with Tobii’s HTC Vive eye tracking headset which enables testing elements or environments themselves in VR with a full suite of tools, from eye tracking to GSR, EEG, ECG, (f)EMG, etc.

Manufacturer: Tobii

Model: HTC Vive VR Headset

Module Compatibility: VR Headset

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Tobii HTC Vive VR Headset

Hardware Specifications

Eye Tracking Specifications
Gaze data output frequency (binocular) 120 Hz
Preliminary accuracy 0.5°
Calibration procedure 5 point
Trackable field of view 110° (Full HTC Vive field of view)
Slippage compensation Yes
Latency Approx. 10ms (time from mid-exposure to data available on client interface)
Pupil measurement Yes, relative pupil size
Tracking technique Binocular dark pupil tracking
Data output (for each eye)
  • Timestamp (device and system)
  • Gaze origin
  • Gaze direction
  • Pupil position
  • Relative pupil size
Interface Tobii Pro SDK (.Net/Matlab/Python/C)
3D engine compatibility  Unity
Integration Specifications                                                      
Hardware integration HTC Vive Business Edition with Tobii Eye Tracking retrofit hardware, no external devices or connectors needed.
Number of IR illuminators 10 per eye
Eye tracking sensors 1 per eye
Eye tracking processing Tobii EyeChip™ASIC
PC Requirement HTC Vive-ready PC, see appendix A for general requirements
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