Reproduction apparatus, reproduction method and recording method
US7814422B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2006 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Nov 28, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/42213
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A BD-ROM has recorded therein an AV Clip generated by multiplexing a video stream and a graphics stream. The graphics stream represents an interactive display to be overlayed with the video stream, and includes a sequence of three Button State groups. The interactive display includes a plurality of buttons, each of which changes from a normal state to a selected state, and from the selected state to an active state, according to a user operation. In the three Button State groups in the graphics stream, the first-order group (N-ODSs) is made of a plurality of pieces of graphics data, which represent normal states of the buttons, the second-order group (S-ODSs) is made of a plurality of pieces of graphics data, which represent selected states of the buttons, and the third-order group (A-ODSs) is made of a plurality of pieces of graphics data, which represent active states of the buttons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.