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Components of a VR system

Short answer

Key components include a head-mounted display for stereoscopic view, tracking sensors for head/hand pose, input controllers, a computer/GPU to render at high frame rates, VR software, and spatial audio/haptic feedback.

Explain key components of a virtual reality system in brief.

A virtual reality (VR) system creates a computer-generated 3D environment that the user can enter and interact with in real time. Key components:

 Sensors/Trackers --> Computer (CPU+GPU, VR software)
 Input devices   -->        |
                            v
        Head-mounted display, audio, haptics --> User
  1. Head-mounted display (HMD): shows a separate stereoscopic image to each eye with a wide field of view, giving the 3D effect (e.g. Oculus, HTC Vive).
  2. Tracking sensors: gyroscope, accelerometer, cameras and base stations track the position and orientation of the head and hands so the view changes with movement.
  3. Input devices: hand controllers, data gloves, treadmills, voice input to interact with the virtual world.
  4. Computer / graphics processing unit: renders the 3D scene at a high frame rate (at least 60 to 90 fps) with low latency to avoid motion sickness.
  5. VR software and database: the 3D models, physics engine and rendering software (Unity, Unreal Engine) that define the virtual world.
  6. Audio and haptic devices: 3D spatial sound and force/touch feedback to increase immersion.

✓ Answer checked by Claude Opus 5.5 (high effort)

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