Apparatus for generating sub-picture units for subtitles and storage medium storing sub-picture unit generation program
US6046778A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1998 |
| Grant date | Apr 4, 2000 |
| Priority date | — |
| Expiry date | Oct 28, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4884
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
To provide a sub-picture unit generation apparatus for generating a plurality of sub-picture units that compose a sub-picture stream which is interleaved with a video stream into a system stream, each sub-picture unit including a subtitle image that is to be superimposed on moving images reproduced from the video stream. The sub-picture unit generation apparatus includes an attribute storage unit for storing a display attribute that shows a base position for arranging each subtitle image, a character string storage unit for storing a plurality of subtitle character strings, a subtitle image generation unit for generating a subtitle image from one of the plurality of subtitle character strings stored in the character string storage unit, a display position determination unit for determining a display position of the subtitle image according to the display attribute, and a sub-picture unit generation unit for generating a sub-picture unit that includes the subtitle image and display position data showing the determined display position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.