Enabling delivery and synchronization of auxiliary content associated with multimedia data using essence-and-version identifier
US9621963B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2015 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Jan 27, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8586
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Essence of a media program can be encoded such that it carries essence identification information and a set of time points. Auxiliary content such as companion content and other auxiliary data can be associated with the essence of the media program by way of the set of time points. The set of time points and/or fingerprints used to retrieve/recover the set of time points can be delivered to one or more of a media device, a companion device/application, etc., in any of a variety of different methods. Through the set of time points and/or fingerprints, and user preferences, the auxiliary content can be retrieved by the one or more of the media device, the companion device/application, etc., presented and/or interacted with a user. In some embodiments, the auxiliary content as described herein can be customized for a specific sender and/or a specific recipient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.