System for embedding additional information in audio data
US6526385B1 · kind B1 · utility
49Cited by
3References
63Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1999 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Sep 15, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/00891
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and a system is provided for embedding and detecting additional information, such as copyright information, in audio data, so that a modification in the sonic quality due to the embedding is imperceptible to human beings, and does not drastically deteriorate the sonic quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.