Methods and apparatus for preparing data for encrypted transmission
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 22, 2005
app pub date -
Dec 16, 2004
filing date -
Mar 16, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Methods and apparatus for preparing data for encrypted transmission. According to the current invention, a data bitstream may be processed to create side information. After extracting, generating and/or acquiring the side data, some or all of the data bitstream may be encrypted and then combined to create a combined data bitstream, ready for transmission. Subsequently, the combined data bitstream may be transmitted over a network. By processing a data bitstream to extract metadata about the bitstream before encrypting the data, some processing such as splicing, bit rate switching and/or statistical multiplexing done after encryption may be executed without requiring costly de-encryption/re-encryption steps based, in part, on inspecting the contents of the side data. The bitstream may represent video, audio, image or other data types. In some examples according to the current invention, a combined data bitstream may comprise multiple bitstreams, each at a different bit rate.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully