System and method for transmitting/receiving object-based audio

1. An object-based audio receiving system, comprising:

a receiving means for receiving object-based audio contents including an object-based audio signal and a plurality of audio scenes generated by editor;

an object-based audio decoding means for decoding the object-based audio contents;

a user control means for outputting a user controlled scene signal for organizing the audio scene;

an object-based audio scene synthesizing means for organizing the audio scene based on the object-based audio signal according to the user controlled scene signal; and

a reproducing means for reproducing the object-based audio contents based on the audio scene,

wherein the user control means enables the user to select a desired audio scene of a plurality of audio scenes generated by editor,

the object-based audio decoding means includes:

a demultiplexing block for demultiplexing the object-based audio contents and creating the object-based audio signal, and the audio scene;

a decoding block for decoding the object-based audio signal; and

an additional data decoding block for decoding the audio scene.

2. The system as recited in claim 1 , wherein the user control means includes:

an interface block for providing user interface for controlling each object to organize the audio scene;

an audio scene control signal creating block for creating the user controlled scene signal related to the audio scene; and

an audio reproduction control signal creating block for creating a user controlled reproduction signal related to a reproduction environment.

3. The system as recited in claim 2 , wherein the user controlled scene signal includes a location information of the object-based audio signal and a space information,

and the user controlled reproduction signal includes information on a size, a form and a speaker arrangement of the reproduction environment.

4. The system as recited in claim 1 , wherein the object-based audio decoding means includes:

a decoding block for decoding the object-based audio signal included in the object-based audio contents;

an additional data decoding block for decoding the audio scene included in the object-based audio contents.

5. The system as recited in claim 4 , wherein the object-based audio scene synthesizing means includes:

an object-based audio signal location control block for controlling a location of the object-based audio signal;

an object-based audio signal space control block for controlling a space of the audio scene based on the object-based audio signal;

an object-based audio signal detail control block for changing a level or a form of the object-based audio signal.

6. The system as recited in claim 5 , wherein the location of the object-based audio signal includes distance information from a virtual user location to the audio of each object, and information on horizontal and vertical angles for the audio signal of each object in the virtual user location; and space information includes characteristics such as a size, a form and a reverberation time of the space, and reflection, absorption and penetration of an inside sound.

7. The system as recited in claim 5 , wherein the reproduction means includes:

a reproduction space control block for equalizing a reproduction space based on the object-based audio signal and a user controlled reproduction signal; and

an audio output block for outputting the object-based audio signal from the reproduction space control block.

8. The system as recited in claim 1 , wherein the object-based audio scene synthesizing means includes:

an object-based audio signal location control block for controlling a location of the object-based audio/video signal;

an object-based audio signal space control block for controlling a space of the audio/video scene based on the object-based audio/video signal.

9. The system as recited in claim 8 , wherein the reproduction means includes:

a reproduction space control block for equalizing a reproduction space based on the object-based audio/video signal and a user controlled reproduction signal;

an audio output block for outputting the audio signal; and

a video output block for outputting the video signal.

10. An object-based audio receiving method, comprising the steps of:

a) receiving object-based audio contents;

b) decoding the object-based audio contents including an object-based audio signal and a plurality of audio scene generated by editor;

c) organizing the audio scene based on the decoded object-based audio signal according to a user controlled scene signal; and

d) reproducing the object-based audio contents based on the audio scene,

wherein the step c) enables the user to select a desired audio scene of a plurality of audio scenes generated by editor.

select a desired audio scene of a plurality of audio scenes generated by editor,

wherein the decoding the object-based contents includes:

demultiplexinq the object-based audio contents;

creating a object-based audio signal, and a audio scene; and

decoding the object-based audio signal and the audio scene.

11. The method as recited in claim 10 , wherein the user controlled scene signal includes location information of the object-based audio signal and space information and

wherein step c) outputs a user controlled reproduction signal including information on a size, a form and speaker arrangement of a reproduction environment.

12. An object-based audio reproducing system, comprising:

a receiving means for receiving object-based audio contents including object-based audio signal and at least one of audio scene generated by an editor;

an object-based audio decoding means for decoding the object-based audio contents;

a user control means for enabling a user selects the audio scene of at least one of audio scene;

an object-based audio scene synthesizing means for synthesizing object-based audio signal based the selected scene data; and

a reproducing means for reproducing the synthesized object-based audio signal,

wherein the object-based audio decoding means includes:

a demultiplexinq block for demultiplexinq the object-based audio contents and creating the object-based audio signal, and the audio scene;

a decoding block for decoding the object-based audio signal; and

an additional data decoding block for decoding the audio scene.

13. An object-based audio reproducing method, comprising:

receiving object-based audio contents including object-based audio signal and at least one of audio scene generated by an editor;

decoding the object-based audio contents;

outputting the audio scene selected by user for at least one of audio scene;

synthesizing object-based audio signal based the selected audio scene; and

reproducing the synthesized object-based audio signal,

wherein the decoding the object-based contents includes:

demultiplexing the object-based audio contents;

creating the object-based audio signal, and the audio scene; and

decoding the object-based audio signal and the audio scene.

14. An object-based audio reproducing system, comprising:

a receiving means for receiving object-based audio contents including object-based audio signal and at least one of audio scene generated by an editor;

an object-based audio decoding means for decoding the object-based audio contents;

a user control means for providing interface to select the audio scene by user of at least one of audio scene;

an object-based audio scene synthesizing means for synthesizing object-based audio signal according to the selected audio scene; and

a reproducing means for reproducing the synthesized object-based audio signal,

wherein the object-based audio decoding means includes:

a demultiplexing block for demultiplexing the object-based audio contents and creating the object-based audio signal, and the audio scene;

a decoding block for decoding the object-based audio signal; and

an additional data decoding block for decoding the audio scene.