Patent ID: 9197908
Filing Date: 2015-11-24
Classification: H04N

Abstract:
1. A method performed by an apparatus for a user to select a desired freeview audio/video (AV) scene from a file created by a computer-based freeview AV service, the method comprising: creating, by a file header unit, a file header that includes content related information, AV object related information, preset related information, and preset information with at least one constant preset and at least one variable preset; creating, by an audio object information storage unit, at least one audio object information associated with at least one audio object; creating, by a video object information storage unit, at least one video object information associated with at least one video object; and processing the file header, the audio object information, and the video object information into a preset format of a single freeview AV file to store the processed preset format of the freeview AV file, wherein the preset information comprises viewpoints of video objects and a location or size of audio objects and the preset information is used to construct the freeview AV scene, wherein the user is able to select a viewpoint on the apparatus by controlling the viewpoint of the video object and the location or the size of the audio object through changing the at least one variable preset.