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1. Definition 2. Functional Requirements 3. Syntax 4. Semantics

1. Definition

VE Operator Descriptors include data pertaining to all identified operator consoles or interfaces within the Virtual  Environment.

2. Functional Requirements

  1. Audio/DJ console data for all audio channels:
    1. Track selection
    2. Volume control
    3. Audio routing
    4. Audio effects
      1. Spatial positions and directionality
      2. Filters (low-pass, band-pass, high-pass), Q Factor, Frequency.
      3. Reverb (enumeration of reverb types)
      4. Delay (ms)
      5. Pitch shift (number of semitones)
      6. Tremolo (volume and frequency)
      7. Vibrato (extent in cent and frequency of oscillation).
  2. Video/VJ console data for all video channels:
    1. Video clip or source selection.
    2. Camera commands for position/orientation, zoom, focus, and aperture.
    3. Tonality (brightness, contrast, colour, highlight, shadows, gamma) control.
    4. Video routing
    5. Video effects
      1. spatial position,
      2. mapping,
      3. warping,
      4. colour cycling,
      5. kaleidoscope,
      6. playback speed, etc.
  3. Show Control/FX data including:
    1. fog, haze, clouds.
    2. Skybox.
    3. Scene selection.
    4. Participant and Performance controls and apps.
  4. Lighting data for all light sources including:
    1. Light source location, orientation, and motion.
    2. Light source type, colour, and beam shape.
    3. Projected image selection.
    4. Sequencing, strobing, and audio reactivity.
  5. Additional Descriptors if accessible via Metaverse API

3. Syntax

https://schemas.mpai.community/XRV1/V1.0/data/VEOperatorDescriptors.json

4. Semantics

Label Description
Header VE Operator Descriptors Header. Shall have constant value “XRV-VOD-V1.0”.
MInstanceID Identifier of M-Instance.
UEnvironmentID Identifier of the U-Environment (Real Space) associated with this VE Operator Descriptors instance.
VEOperatorDescriptorsID Identifier of VE Operator Descriptors
VEOperatorDescriptorsTime Time info of VE Operator Descriptors.
VEOperatorDescriptors Set of VE Operator Descriptors
– AudioConsole Audio Console as defined in XRV1 V1.0.
– VideoConsole Video Console as defined in XRV1 V1.0.
– ShowConsole Show Console as defined in XRV1 V1.0.
– LightingConsole Lighting Console as defined in XRV1 V1.0.
DataXMData MPAI-PTF Data Exchange Metadata providing provenance, authorisation, legal, security, and confidence information associated with this VE Operator Descriptors instance in a trusted data exchange context.
DescrMetadata Human-readable descriptive metadata of the VE Operator Descriptors instance (plain text, max 2048 characters).

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