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Recording medium, playback method, and playback device

專利號(hào)
US10867631B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA（US CA Torrance）
發(fā)明人
Hiroshi Yahata; Tadamasa Toma
IPC分類
G11B20/10; G11B27/32; H04N5/85; H04N9/87; G11B27/10; H04N9/804; H04N9/82; H04N5/93
技術(shù)領(lǐng)域
playback,stream,video,subtitle,hdr,luminance,playlist,vob,in,hdre
地域： CA CA Torrance

摘要

A recording medium includes a video stream of a standard-luminance range and a video stream of high-luminance range, which are used selectively in accordance with a playback environment. The recording medium also includes a subtitle stream of the standard-luminance range and a subtitle stream of the high-luminance range, which are used selectively in accordance with the playback environment. A playlist file includes a management region where playback control information relating to a main stream is stored, and includes an extended region. The management region stores first playback control information specifying playing of the video stream of the high-luminance range and the subtitle stream of the high-luminance range in combination. The extended region stores second playback control information specifying playing of the video stream of the standard-luminance range and the subtitle stream of the standard-luminance range in combination.

說(shuō)明書(shū)

The chapter list (ChapterList) is made up of the number of chapters included in this title (Number), and each chapter information (Chapter #1 through Chapter #n). Each chapter information (Chapter #1 through Chapter #n) has a table of cells that this chapter includes (CellTable), the cell table (CellTable) being made up of the number of cells (Number) and entry information of each cell (CellEntry #1 through CellEntry #k).

Cell entry information (CellEntry #1 through CellEntry #k) is described as the playlist name containing this cell and the cell No. Within the playlist.

The event list (EventList) has the number of global events (Number) and information of each global event (Event #1 through Event #m). What is noteworthy here is that the global event that is defined first is called a first event (FirstEvent), and is the event that is executed first when the BD-ROM is inserted into the player.

Each global event information (Event #1 through Event #m) has only the event type (Type) and ID of the event (ID).

FIG. 19 is a diagram illustrating the structure of the global event handler table (“BD.PROG”). This table is the same in content as the event handler table described in FIG. 17, so description thereof will be omitted.

Mechanism of Event Occurrence

The mechanism of event occurrence will be described with reference to FIGS. 20 through 22. FIG. 20 is a diagram illustrating an example of a time event. As described above, a time event is defined by the event list (EventList) in the playlist (“XXX.PL”).

權(quán)利要求

1
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