Deriving multiple fingerprints from audio or video content
US8607354B2 · kind B2 · utility
5Cited by
194References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2007 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Jan 26, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatuses are provided for determining a first fingerprint of audio or video data. The first fingerprint is stored in a database or record including information pertaining to a first user or first account. The audio or video content is altered to yield a different version of the audio or video content, and a second fingerprint is determined from the different version of the audio or video content. The second fingerprint is stored in a database or recording including information pertaining to a second user or second account.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.