Systems and methods for automated extraction of closed captions in real time or near real-time and tagging of streaming data for advertisements
US8424052B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 14, 2010 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Aug 19, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8456
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
System and methods for finding and accessing desired audio content from audio content sources, including means and methods for extracting captions from a broadcast; aggregating the captions in a database; indexing the database content; searching the captions for a mention of at least one target; analyzing the results for desired content; indexing into the database to extract the desired content; thereby providing a method for quickly finding and accessing desired audio and video content from a large number of sources.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.