Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Dynamic composition of pre-encrypted video on demand content










Image Number 11 for United States Patent #7346163.

According to certain embodiments consistent with the present invention, a method of processing digital video content, wherein the digital video content comprises intra-coded frames and inter-coded frames, involves selecting a plurality of the intra-coded frames for encryption to produce selected frames; encrypting the selected frames under a first encryption algorithm to produce first encrypted frames; storing the inter-coded frames in a first file; and storing the intra-coded frames, whether encrypted under the first encryption algorithm or unencrypted, in a second file. For a multiple encryption embodiment consistent with the present invention, the method further involves duplicating the intra-coded frames; encrypting duplicates of the selected frames under a second encryption algorithm to produce second encrypted frames; storing the intra-coded frames, whether encrypted under the second encryption algorithm or unencrypted, in a third file. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.








 
 
  Recently Added Patents
Motion compensated overlay
Image processing apparatus and method having defective pixel detection and correction ability
Wideband multi-channel receiver with fixed-frequency notch filter for interference rejection
Database caching utilizing asynchronous log-based replication
Assisting apparatus, method, and program for checking crosstalk noise between hierarchized modules in a semiconductor circuit
Case for electronic device
Chromene compound
  Randomly Featured Patents
Tank mounting apparatus for tractors
Method and apparatus for performing change-over control to processor groups by using rate of failed processors in a parallel computer
Pressure sensor
Method for the production of reinforced panels from a block of building material, such as stone
Hollow container and stretched film made of a copolyester
Process for imparting wet strength to paper
Putter face and golf putter having putter face inserted therein
Pulse counter with arbitrary output characteristic
Systems for distributing data over a computer network and methods for arranging nodes for distribution of data over a computer network
Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method