Method for creating, editing, and reproducing multi-object audio contents files for object-based audio service, and method for creating audio presets

A method for creating a multi-object audio content file for an object-based audio service, comprising:

• creating a plurality of frames for each audio object forming an audio content;
• and
• creating a multi-object audio content file by storing the frames according to each audio object,
• wherein position information of each of frames having the same reproduction time are stored as index information in a header of the multi-object audio content file.

A method for creating audio presets for a multi-object audio content file, comprising:

• receiving a selection for an audio object needed for creation of an audio preset among audio objects of the multi-object audio content file from an editor or a user;
• receiving preset setup information on the audio object selected by the editor or the user;
• and
• creating an audio preset by setting up the audio object based on the preset setup information.

A method for reproducing a multi-object audio content file, comprising:

• analyzing a multi-object audio content file to thereby produce an analysis result;
• acquiring index information on position of each object frame of the multi-object audio content file from the analysis result;
• and
• reproducing the multi-object audio content file by searching for the frames of audio objects having the same reproduction time based on the index information.