A collection of specifications and tools for 360° video and spatial audio, including:
Spatial Audio metadata specification
Spherical Video metadata specification
Spherical Video V2 metadata specification
VR180 Video Format VR180 video format
Spatial Media tools for injecting spatial media metadata in media files
https://github.com/google/spatial-media/releases/download/v2.1/360.Video.Metadata.Tool.mac.zip
https://github.com/google/spatial-media/releases/download/v2.1/360.Video.Metadata.Tool.win.zip