<X3D profile='Full'> definition is insufficient since nodes in scene have actual profile='Interactive' <X3D profile='Full'> definition is insufficient since nodes in scene have actual profile='CADInterchange' <X3D profile='Full'> definition is insufficient since nodes in scene have actual profile='MedicalInterchange' <X3D profile='Full'> is satisfactory for this model - also ensure that child Inline models do not exceed this profile/component combination, since this parent scene must have an equal or higher combination X3D version 4.0 was approved by Web3D Consortium and ISO in 2023. X3D version 4.0 offers many new features including interoperability with HTML5, glTF 2.0 Physically Based Rendering (PBR), and Web Audio API. <meta name='info' content='This work presents an innovative solution of the spatial sound in X3DOM framework, that based on a combinational methodology. Specifically, we suggested the enrichment of X3DOM with spatial sound features, using both the X3D sound nodes and the structure of Web Audio API.'/> <meta name='TODO' content='credit for audio files'/> <Viewpoint DEF='Camera001'/> description should be different than DEF, provide a descriptive phrase for description instead