name: 3D
full_form: Three Dimensional
context: ('should') and the third one allowed ('may'). For MBMS, the first two profiles are added, the first one is mandatory ( 'shall'), the second one is recommended ( 'should') and constrained to non-viewport adaptive streaming. For audio, one solution was selected and is documented in TS 26.118, namely MPEG-H 3D Audio Baseline profile. This technology enables the distribution of channel, object and scene-based 3D audio. Additional interesting technologies enabling the distribution of channel, object and scene-based 3D audio were considered, and the characterization results of all proposed technologies are documented in TR 26.818 [5]. In addition to media specific metadata, system metadata is added to TS 26.118 to support rendering of 360 experiences on 2D screens, including the aspects of rendering without pose information. Basic requirements for a full audio-visual experience are documented under the umbrella of VR Presentations. The completion of the work item provides a set of
description: Three Dimensional (3D) technology refers to standards and techniques used in telecommunications for enabling three-dimensional audio and video experiences, such as virtual reality (VR) and 360-degree media rendering.
explanation: The context explicitly states that 3D technology is used for 'three-dimensional audio and video experiences' within the realm of telecommunications. This directly aligns with the definition of a Technology.
section_title: 12.4.3	Virtual Reality Profiles for Streaming Media
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