Method and apparatus for providing digital broadcasting service with 3-dimensional subtitle
US9137515B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2011 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Feb 3, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4884
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and an apparatus for transmitting and receiving a broadcasting stream for providing a digital broadcasting service including a subtitle service are provided. A method of transmitting a data stream includes: generating a subtitle stream including basic viewpoint subtitle data and additional viewpoint subtitle data to reproduce a three-dimensional (3D) subtitle on a video screen on which video data is reproduced; determining 3D subtitle reproduction information for forming the 3D subtitle on the video screen based on the basic viewpoint subtitle data; and outputting a data stream by multiplexing a video stream including the video data, the 3D subtitle reproduction information, and the subtitle stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.