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Immersive media: 360 video and 3D audio - Basics. Systems, techniques, standards

This article provides an overview of the principles and techniques of 360° video and 3D audio in immersive and interactive systems of the generic XR (eXtended Reality) type.

The hype and excitement, particularly in the years 2016-2018, around the experimentation and use of 360° video and 3D audio in various fields including broadcasting, has however highlighted the factors holding back or preventing the development of immersive audio-visual applications and systems :

• poor visual/auditory quality;

• the initial...