17. A method for recording text subtitle stream, the method comprising: recording, by a device, at least one text subtitle stream, the text subtitle stream including a style segment and one or more presentation segments, the style segment defining at least one region style and the presentation segment containing at least one region of text linked to one of the at least one region style defined in the style segment by an identifier, wherein the presentation segment contains a continuous presentation flag to indicate that whether continuous presentation is required or not between a current presentation segment and a previous presentation segment, and a presentation time information indicating a start time of the presentation segment and an end time of the presentation segment, wherein the at least one region of text included in one presentation segment is linked to the at least one region style specifying a same text flow, wherein if the continuous presentation flag indicates that the continuation presentation is required between the current presentation segment and the previous presentation segment, presentation of the at least one region of text in the previous presentation segment is preserved for presentation of the current presentation segment, wherein the at least one region of text including text data in which one of the at least one region style applied.
17. A method for recording text subtitle stream, the method comprising: recording, by a device, at least one text subtitle stream, the text subtitle stream including a style segment and one or more presentation segments, the style segment defining at least one region style and the presentation segment containing at least one region of text linked to one of the at least one region style defined in the style segment by an identifier, wherein the presentation segment contains a continuous presentation flag to indicate that whether continuous presentation is required or not between a current presentation segment and a previous presentation segment, and a presentation time information indicating a start time of the presentation segment and an end time of the presentation segment, wherein the at least one region of text included in one presentation segment is linked to the at least one region style specifying a same text flow, wherein if the continuous presentation flag indicates that the continuation presentation is required between the current presentation segment and the previous presentation segment, presentation of the at least one region of text in the previous presentation segment is preserved for presentation of the current presentation segment, wherein the at least one region of text including text data in which one of the at least one region style applied. 19. The method of claim 17 , wherein the continuous presentation flag is set to “1” to indicate that continuous presentation is required for the presentation segment with previous one.