Method and apparatus for delivery of metadata synchronized to multimedia contents
US7376155B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2002 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Jul 1, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/611
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A metadata transmitter synchronized with multimedia contents comprises: a multimedia contents authoring unit for generating and editing multimedia contents; a multimedia contents format converter for compressing the multimedia contents, converting them into a transmission format, and outputting them; a metadata authoring unit for generating and editing metadata for describing the multimedia contents, the metadata including transmission types and transmission information; a metadata format converter for converting the metadata into binary codes, converting the converted metadata into a synchronization format for synchronization with the multimedia contents and a transmission format, and outputting them; and a multiplexer for multiplexing the multimedia contents format and the metadata format respectively output from the multimedia contents format converter and the metadata format converter into a stream, and outputting it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.