Patent ID: 8340798

Claim:
An apparatus of processing an audio signal, comprising: a signal receiving unit receiving a plurality of preset information to render at least one object and preset attribute information indicating attributes of the plurality of present information; a display unit displaying a plurality of preset metadata corresponding to the plurality of the preset information; a preset mode input unit configured to receive a select signal for selecting preset metadata among the plurality of preset metadata; a preset mode select unit selecting the preset metadata and preset information corresponding to the selected preset metadata based on the select signal, wherein the plurality of preset information is included in a configuration information region or in a first data region; a static preset mode receiving unit receiving the selected preset information in the configuration information region and the selected preset metadata corresponding to a first data region to which the selected preset information in the configuration information region is applied based on the preset attribute information; a dynamic preset mode receiving unit receiving the selected preset information in a second data region and the selected preset metadata corresponding to a data region of the downmix signal based on the preset attribute information; and a rendering unit controlling the object by applying the selected preset information to the first or second data region to which the selected preset information in the configuration information region is applied or to the data region of the downmix signal.