Method and apparatus for processing multimedia

1. A multimedia processing method for reproducing a content, the multimedia processing method comprising:

detecting information regarding user reactions to the content during a reproduction of the content, the information comprising the user reactions and time intervals when the user reactions occurred;

displaying, along a playbar, a history of the user reactions comprising indicators of the time intervals when the user reactions occurred and the user reactions that respectively occurred during the time intervals;

determining whether the history of the user reactions displayed on the playbar is selected by a user; and

reproducing a portion of the content corresponding to a time interval when a certain user reaction occurred, in response to the certain user reaction being selected from the history of the user reactions.

2. The multimedia processing method of claim 1 , wherein the information regarding the user reactions is read out by referring to metadata connected to the content, during playback of the portion of the content.

3. The multimedia processing method of claim 1 , wherein the information regarding the user reactions is played back with the portion of the content.

4. The multimedia processing method of claim 1 , wherein the displaying the history of the user reactions comprises showing on the playbar icons indicating the user reactions in correspondence with the time intervals at which the user reactions are detected.

5. The multimedia processing method of claim 1 , wherein the displaying the history of the user reactions comprises:

displaying a current time point indicator indicating a current time point of reproducing the content on the playbar; and

displaying icons indicating the user reactions, at the time intervals at which the user reactions are detected.

6. The multimedia processing method of claim 5 , wherein each of the icons identifies the user and a corresponding user reaction.

7. The multimedia processing method of claim 1 , wherein the displaying the history of the user reactions further comprises displaying an identification of a user and a corresponding user reaction onto the time interval at which the user reaction occurred.

8. The multimedia processing method of claim 7 , wherein the user reactions are expressed by visual, text, or voice outputs.

9. The multimedia processing method of claim 7 , wherein the user reactions are expressed by brain waves or heartbeat of the user.

10. The multimedia processing method of claim 1 , wherein the history of reactions is temporarily shown before and after time points at which the reactions have occurred and is hidden after a predetermined time.

11. The multimedia processing method of claim 1 , wherein the history of the user reactions is displayed in a region of a screen with the reproduction of the content.

12. The multimedia processing method of claim 1 , wherein the content being reproduced and the history of the user reactions are shown together on a display device.

13. The multimedia processing method of claim 1 , wherein the content being reproduced and the history of the user reactions are shown on separate display devices.

14. The multimedia processing method of claim 1 , wherein the reproducing the portion of the content comprises:

selectively reproducing portions of the content corresponding to selected time intervals at which the user reactions occurred, and skipping unselected portions of the content.

15. The multimedia processing method of claim 1 , wherein the displaying comprises:

displaying the playbar of the content on a screen; and

displaying each of the user reactions visually associated with a corresponding time interval of the content during which the user reaction occurred.

16. The multimedia processing method of claim 1 , wherein the user reactions are visually represented by icons, and

each of respective icons is visually associated, on a screen, to a beginning of a corresponding time interval of the content.

17. The multimedia processing method of claim 16 , wherein the reproducing comprises:

receiving a selection of one of the displayed icons of the certain user reaction, from the displayed history of the user reactions; and

reproducing the portion of the content corresponding to the beginning of the time interval of the content with which a selected icon is visually associated, for a period of time which corresponds to the time interval associated with the portion of the content corresponding to the selected icon.

18. A multimedia processing device comprising:

an input device which inputs user reactions to content during a reproduction of the content, the information comprising the user reactions and time intervals when the user reactions occurred;

a display which displays, along a playbar, a history of the user reactions comprising indicators of the time intervals when the user reactions occurred and the user reactions that respectively occurred during the time intervals; and

a controller configured to record the user reactions input via the input device and time intervals when the user reactions occurred as a history of the user reactions, control the display to display the history of the user reactions on the display by displaying, along a playbar, indicators of the time intervals when the user reactions occurred and the user reactions that respectively occurred during the time intervals, determine whether the history of the user reactions displayed on the playbar is selected by a user, and reproduce a portion of the content corresponding to a time interval when a certain user reaction occurred, in response to the certain user reaction being selected from the history of the user reactions.

19. The multimedia processing device of claim 18 , wherein the input device comprises:

a visual input device which inputs visual information regarding the user viewing the content;

a voice input device which inputs voice information regarding the user viewing the content; and

a text input device which inputs text information regarding the user viewing the content.

20. The multimedia processing device of claim 18 , further comprising a storage unit which stores content synchronized with the history of the user reactions.

21. A non-transitory computer readable recording medium having recorded thereon a computer program which, when executed by a computer, causes the computer to execute a multimedia processing method for reproducing a content, the method comprising:

detecting information regarding user reactions to the content during a reproduction of the content, the information comprising the user reactions and time intervals when the user reactions occurred;

displaying, along a playbar, a history of the user reactions comprising indicators of the time intervals when the user reactions occurred and the user reactions that respectively occurred during the time intervals;

determining whether the history of the user reactions displayed on the playbar is selected by a user; and

reproducing a portion of the content corresponding to a time interval when a certain user reaction occurred, in response to the certain user reaction being selected from the history of the user reactions.