Recording medium having a data structure for managing reproduction of text subtitle data and methods and apparatuses associated therewith

• US 20050262116A1
• Filed: 05/02/2005
• Published: 11/24/2005
• Est. Priority Date: 05/03/2004
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Yoo, Jea Yong, Kim, Byung Jin, Seo, Kang Soo
• Granted Patent: US 7,571,386 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G11B 2220/2541 Blu-ray discs; Blue laser DVR discs
• CPC Class Codes: G11B 27/3027 used signal is digitally coded

Abstract

A recording area of an example recording medium stores a text subtitle stream that includes a dialog style segment and at least one dialog presentation segment associated with the dialog style segment. The dialog style segment includes at least one set of style information. Each set of style information provides region positioning information for positioning a region in an image and text box positioning information for positioning a text box in the region. The dialog presentation segment includes at least one region subtitle information. The region subtitle information includes text subtitle data (e.g., style data and/or text string data) and a region style identifier, and the region style identifier identifies one of the sets of style information in the dialog style segment to apply to the text subtitle data.

Claims

1. A recording medium having a data structure for managing reproduction of text subtitle data, comprising:

a recording area storing a text subtitle stream that includes a dialog style segment and at least one dialog presentation segment associated with the dialog style segment,

the dialog style segment including at least one set of style information, each set of style information providing region positioning information for positioning a region in an image and text box positioning information for positioning a text box in the region, and

the dialog presentation segment including at least one region subtitle information, the region subtitle information including text subtitle data and a region style identifier, the region style identifier identifying one of the sets of style information in the dialog style segment to apply to the text subtitle data.

2. The recording medium of claim 1, wherein the dialog presentation segment defines a number of region subtitle information, each region subtitle information providing text subtitle data and a region style identifier.

3. The recording medium of claim 2, wherein the dialog presentation segment defines two region subtitle information at most.

4. The recording medium of claim 1, wherein the text subtitle data includes at least one of text string data and style data.

5. The recording medium of claim 4, wherein the text subtitle data includes text string data, and the region style identifier identifies one of the sets of style information in the dialog style segment to apply to the text string data such that the text string data appears in the text box of the identified set of style information.

6. The recording medium of claim 1, wherein the dialog presentation segment provides a presentation time stamp start time and a presentation time stamp end time defining the presentation time of the text subtitle data.

7. The recording medium of claim 1, wherein the region position information provides a position of an upper left corner of the region in the image.

8. The recording medium of claim 7, wherein the region position information provides a horizontal position and a vertical position of the upper left corner of the region in the image.

9. The recording medium of claim 7, wherein the text box position information provides a position of an upper left corner of the text box in the region.

10. The recording medium of claim 9, wherein the text box position information provides the position of the upper left corner of the text box with respect to the upper left corner of the region.

11. The recording medium of claim 10, wherein text box position information provides a horizontal position and a vertical position of the upper left corner of the text box with respect to the upper left corner of the region.

12. The recording medium of claim 1, wherein the text box position information provides a position of an upper left corner of the text box in the region.

13. The recording medium of claim 12, wherein text box position information provides a horizontal position and a vertical position of the upper left corner of the text box in the region.

14. The recording medium of claim 1, wherein each set of style information further includes region size information indicating a size of the region.

15. The recording medium of claim 14, wherein the region size information includes height information indicating a height of the region and width information indicating a width of the region.

16. The recording medium of claim 14, wherein each set of style information further includes text box size information indicating a size of the text box.

17. The recording medium of claim 16, wherein the text box size information includes height information indicating a height of the text box and width information indicating a width of the text box.

18. The recording medium of claim 1, wherein each set of style information further includes text box size information indicating a size of the text box.

19. The recording medium of claim 18, wherein the text box size information includes height information indicating a height of the text box and width information indicating a width of the text box.

20. The recording medium of claim 1, wherein each set of style information further includes an indicator of a background color for the region.

21. The recording medium of claim 1, wherein each set of style information further includes text flow information indicating a character progression of text subtitle data to employ in the text box.

22. The recording medium of claim 1, wherein each set of style information further includes text alignment information indicating how to align text subtitle data in the text box.

23. The recording medium of claim 1, wherein each set of style information further includes line space information indicating a spacing to employ between lines of text subtitle data in the text box.

24. The recording medium of claim 1, wherein each set of style information further includes a font identifier identifying a font file recorded on the recording medium to use in reproducing text subtitle data in the text box.

25. The recording medium of claim 1, wherein each set of style information further includes a font style indicator indicating a font style to apply to text subtitle data in the text box.

26. The recording medium of claim 1, wherein each set of style information further includes font size information indicating a font size to apply to text subtitle data in the text box.

27. The recording medium of claim 1, wherein each set of style information further includes font color information indicating a color to apply to text subtitle data in the text box.

28. The recording medium of claim 1, wherein the each set of style information includes a flag indicating whether a player may use at least one type of style information set forth by the player instead of that set forth by the set of style information.

29. The recording medium of claim 1, wherein each set of style information further includes user changeable information indicating which style information in the set of style information the user can change.

30. The recording medium of claim 29, wherein the user changeable information further indicates, for at least one type of style information, one of a modification amount, modification range and modification direction.

31. The recording medium of claim 1, wherein

the region position information provides a horizontal position and a vertical position of the upper left corner of the region in the image;

each set of style information further includes region size information indicating a height of the region and a width of the region; and

each set of style information further includes an indicator of a background color for the region.

32. The recording medium of claim 31, wherein each set of style information includes user changeable information, the user changeable information indicating a horizontal direction that a user may move the region, and a vertical direction the user may move the region.

33. The recording medium of claim 31, wherein

the text box position information provides a horizontal position and a vertical position of the upper left corner of the text box in the region;

and

each set of style information further includes text box size information indicating a height of the text box and a width of the text box, text flow information indicating a character progression of text subtitle data to employ in the text box, text alignment information indicating how to align text subtitle data in the text box, line space information indicating a spacing to employ between lines of text subtitle data in the text box, a font identifier identifying a font file recorded on the recording medium to use in reproducing text subtitle data in the text box, a font style indicator indicating a font style to apply to text subtitle data in the text box, font size information indicating a font size to apply to text subtitle data in the text box, and font color information indicating a color to apply to text subtitle data in the text box.

34. The recording medium of claim 33, wherein each set of style information includes user changeable information, the user changeable information indicating a horizontal direction that a user may move the region, a vertical direction the user may move the region, whether the user may one of increase and decrease the font size, a horizontal direction the user may move the text box, a vertical direction the user may move the text box, whether the user may one of increase and decrease the height of the text box, whether the user may one of increase and decrease the width of the text box, and whether the user may one of increase and decrease the spacing to employ between lines of text subtitle data in the text box.

35. The recording medium of claim 1, wherein

the text box position information provides a horizontal position and a vertical position of the upper left corner of the text box in the region;

and

each set of style information further includes text box size information indicating a height of the text box and a width of the text box, text flow information indicating a character progression of text subtitle data to employ in the text box, text alignment information indicating how to align text subtitle data in the text box, line space information indicating a spacing to employ between lines of text subtitle data in the text box, a font identifier identifying a font file recorded on the recording medium to use in reproducing text subtitle data in the text box, a font style indicator indicating a font style to apply to text subtitle data in the text box, font size information indicating a font size to apply to text subtitle data in the text box, and font color information indicating a color to apply to text subtitle data in the text box.

36. The recording medium of claim 35, wherein each set of style information includes user changeable information, the user changeable information whether the user may one of increase and decrease the font size, a horizontal direction the user may move the text box, a vertical direction the user may move the text box, whether the user may one of increase and decrease the height of the text box, whether the user may one of increase and decrease the width of the text box, and whether the user may one of increase and decrease the spacing to employ between lines of text subtitle data in the text box.

37. The recording medium of claim 1, wherein the recording area stores the dialog style segment and each dialog presentation segment as respective single packet elementary streams.

38. The recording medium of claim 1, wherein the dialog style segment includes a type indicator indicating that the dialog style segment is a dialog style segment.

39. A recording medium having a data structure for managing reproduction of text subtitle data, comprising:

a recording area storing a text subtitle stream that includes at least one set of style information and text subtitle data associated with one of the sets of style information, each set of style information providing region positioning information for positioning a region in an image, text box positioning information for positioning a text box in the region, and an indicator of a background color for the region.

40. A method of recording a data structure for managing text subtitle data on a recording medium, comprising:

recording a text subtitle stream on the recording medium, the text subtitle stream including a dialog style segment and at least one dialog presentation segment associated with the dialog style segment,

the dialog style segment including at least one set of style information, each set of style information providing region positioning information for positioning a region in an image and text box positioning information for positioning a text box in the region, and

the dialog presentation segment including at least one region subtitle information, the region subtitle information including text subtitle data and a region style identifier, the region style identifier identifying one of the sets of style information in the dialog style segment to apply to the text subtitle data.

41. An apparatus for decoding text subtitle data, comprising:

a subtitle decoding unit decoding a text subtitle stream, the text subtitle stream including a dialog style segment and at least one dialog presentation segment associated with the dialog style segment,

the dialog style segment including at least one set of style information, each set of style information providing region positioning information for positioning a region in an image and text box positioning information for positioning a text box in the region, and

the dialog presentation segment including at least one region subtitle information, the region subtitle information including text subtitle data and a region style identifier, the region style identifier identifying one of the sets of style information in the dialog style segment to apply to the text subtitle data.

42. An apparatus for decoding text subtitle data, comprising:

a subtitle decoding unit decoding a text subtitle stream, the text subtitle stream including at least one set of style information and text subtitle data associated with one of the sets of style information, each set of style information providing region positioning information for positioning a region in an image, text box positioning information for positioning a text box in the region, and an indicator of a background color for the region.

43. A method for reproducing a data structure for managing text subtitle data on a recording medium, comprising:

reproducing a text subtitle stream from the recording medium, the text subtitle stream including a dialog style segment and at least one dialog presentation segment associated with the dialog style segment,

the dialog style segment including at least one set of style information, each set of style information providing region positioning information for positioning a region in an image and text box positioning information for positioning a text box in the region, and

the dialog presentation segment including at least one region subtitle information, the region subtitle information including text subtitle data and a region style identifier, the region style identifier identifying one of the sets of style information in the dialog style segment to apply to the text subtitle data.

44. A method for reproducing a data structure for managing text subtitle data on a recording medium, comprising:

reproducing a text subtitle stream from the recording medium, the text subtitle stream including at least one set of style information and text subtitle data associated with one of the sets of style information, each set of style information providing region positioning information for positioning a region in an image, text box positioning information for positioning a text box in the region, and an indicator of a background color for the region.