Patent ID: 9357325
Filing Date: 2016-05-31
CPC Classification: H04S

Claim Text:
1. An apparatus for generating multimedia data, the apparatus comprising: a spatial information identification unit to identify spatial information for a plurality of channels of a multi-channel audio signal; and a multimedia data generation unit to generate multimedia data including the spatial information, wherein the spatial information is configured in a form of a three-dimensional (3D) coordinate based upon an x axis, a y axis, and a z axis in a 3D space, wherein a reference axis is established based upon: wherein two remaining axes are established based upon the reference axis, wherein the spatial information comprises speaker matching information to set an audio signal for a plurality of channels of a multi-channel audio signal to correspond to respective speakers among a plurality of speakers one on one, and wherein the speaker matching information is changeable, such that an actual speaker disposed closest to a plurality of speakers included in the speaker matching information may become a speaker corresponding to the speaker matching information.