Invention Grant
US08401972B2 System and method of generating a per sale watermarking on digital files
有权
在数字文件上生成每个销售水印的系统和方法
- Patent Title: System and method of generating a per sale watermarking on digital files
- Patent Title (中): 在数字文件上生成每个销售水印的系统和方法
-
Application No.: US11553639Application Date: 2006-10-27
-
Publication No.: US08401972B2Publication Date: 2013-03-19
- Inventor: Thomas Killian
- Applicant: Thomas Killian
- Applicant Address: US GA Atlanta
- Assignee: AT&T Intellectual Property II, L.P.
- Current Assignee: AT&T Intellectual Property II, L.P.
- Current Assignee Address: US GA Atlanta
- Main IPC: H04L9/00
- IPC: H04L9/00 ; G06Q50/00
Abstract:
A system, method and computer readable media provided for watermarking a digital file. The method comprises altering samples of the digital file available for distribution upon request by adding a number such as + or a −1 to each sample of the digital file according to a probability value and compressing the digital file with the altered samples. Altering the sample of the digital file may be done on a per distribution or per sale basis.
Public/Granted literature
- US20080104405A1 SYSTEM AND METHOD OF GENERATING A PER SALE WATERMARKING ON DIGITAL FILES Public/Granted day:2008-05-01
Information query
