DSI VR300

wearable sensing

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DSI VR300

The DSI-VR300 is a research-grade dry electrode EEG system specifically designed for P300 applications and VR integration.

The system comprises ultra-high impedance active Dry Sensor Interface (DSI) sensors that function through hair, requiring no skin preparation or conductive gels. Sensors can be individually adjusted to optimize contact impedance.
The design interfaces seamlessly with the HTC-Vive VR headset. A virtual reality-specific API developed by Neurable allows for rapid integration of P300 elements into the VR environment.

The DSI VR300 is a fully integrated, adjustable, and comfortable dry electrode EEG headset with wireless triggering.

Uncompromising Signal Quality:

  • Active dry electrode sensors with 2-stage amplification and digitization in the headset
  • Research-grade EEG signal (>90% correlation with conventional wet electrode systems)
  • Patented artifact-resistant electro-mechanical designs suitable for ambulation in naturalistic environments
  • Continuous impedance and signal quality monitoring.

Powerful Options:

  • Wireless triggering for synchronization of multiple devices for hyper scanning or ambulatory ERPs
  • Bluetooth or wired-USB transmission
  • Optional embedded 3D accelerometers

VR Interface by Neurable:

  • Seamless integration with HTC-Vive
  • Unity and Unreal engine integration
  • Embedded real-time P300 analysis
  • Demo software and code available

Practical EEG:

  • Fully integrated, complete EEG system in a single device
  • Rapid set-up (< 2 min) and clean-up time (< 1 min)
  • Adjustable to fit a wide range of head sizes
  • Comfortable for continuous and repeated use

Intuitive Software Included:

  • DSI-Streamer: Signal quality metrics, ERPs
  • File formats: EDF, CSV (filtered and raw)
  • C-based API for Windows/Mac/Linux
  • LSL, TCP/IP streaming

Synchronized Interfaces:

  • Eye-tracking
  • Motion capture
  • NeuroGuide / BrainSurfer
  • EEGLAB / ERPLAB /BCILAB
  • Media / Neuro RT / OpenVibe
  • TEA Ergo CAPTIV
  • BCI2000
  • E-Prime
  • Inquisit
  • Presentation

Intuitive Software Included:

  • DSI-Streamer
  • Signal quality metrics
  • Montages
  • ERPs
  • File formats: EDF, CSV (filtered and raw)
  • Streaming via TCP/IP socket-based API for Windows/Mac/Linux
  • LSL streaming

Specification:

  • Sensor Locations: 7 sensors at 10/20 locations (default): FCz, Pz, P3, P4, PO7, PO8, Oz + Linked Ears
  • Common-Mode-Follower: P4 is the default reference (can be changed to LE in software)
  • Ground: A1
  • Amplifier/Digitizer: 16 bits, 7 channels
  • Analog/Digital Resolution: 10 m
  • Analog/Digital Converter: 16 bits
  • Sample: 300 Hz (600 Hz option)
  • Bandwidth: 0.003-150 Hz
  • Gain: 60
  • Common Mode Rejection Ratio: > 120 dB
  • Channel Cross-Talk: < -70 dB with sensors
  • Input Impedance (1Hz): 47 Gohm
  • Input Bias Current: <25 pA
  • DC Offset Tolerance: +/-200 mV
  • Maximum Input Range: 10 mV pk-pk
  • Noise (1-50Hz): <3 UV pk-pk
  • Digital Inputs: 4-bit input
  • Run-time: >12 Hours
  • Wireless: Bluetooth
  • Wireless Range :10 m
  • Headset weight: 400 g
  • Headsize Fit: Adjustable to a wide range of head sizes
  • Headset: Fixed sensors on spring-loaded arms and pods for sensor support

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