News
The 4C Entity, LLC is pleased to announce that CPRM Specification, SD Memory Card Book,
SD-SD Video Part, Revision 0.91 is now available. The new revision includes the treatment of the Digital
Stream Usage newly defined in SD-SD Video version 1.1. More...
The 4C Entity, LLC is pleased to announce that CPRM
Specification, SD Memory Card Book, SD-SD Part, Revision
0.91 is now available. The new revision incorporates usage rules based
on date and time, both of which were previously supported in the 4C Specification
material for CPRM for SD-Audio revision 0.97. The rules require three types of clock
function modalities to define previewing and recording rules for devices.
Click here for more information about revisions
to 4C specifications and license agreement and prior
announcements
FACSIMILE TESTING WITH DEVICE KEYS AND MKB'S
The following documents are being provided by the 4C Entity as is with no implied warranty, as a tool to help you debug your implementation of Device Keys and MKB's. Note: that the Facsimile Secret Constants which can be downloaded from the previous web page will be needed to work in conjunction with these files. Also note that the Facsimile Secret Constants, Device Keys and MKB's will not work with standard CPRM/CPPM implementations.
Note: Although some of these files contain Device Keys
and MKB's, actual orders shipped from the 4C Entity will be in a file
with a different format.
- Facsimile DVD Audio Device Keys & MKB's
- Facsimile DVD Writeable Device Keys & MKB's
- Facsimile SD Card Device Keys & MKB's
ALL INFORMATION, 4C TECHNOLOGY, AND SPECIFICATIONS ARE PROVIDED "AS IS." LICENSOR, FOUNDERS AND THEIR AFFILIATES MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS, IMPLIED, STATUTORY OR OTHERWISE, AND EXPRESSLY DISCLAIM IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION THAT MIGHT ARISE FROM ANY ACTIVITIES OR INFORMATION DISCLOSURES RELATING TO THIS AGREEMENT. LICENSOR, FOUNDERS, AND AFFILIATES FURTHER DISCLAIM ANY WARRANTY THAT ANY IMPLEMENTATION OF THE SPECIFICATIONS, IN WHOLE OR IN PART, WILL BE FREE FROM INFRINGEMENT OF ANY THIRD PARTY INTELLECTUAL PROPERTY OR PROPRIETARY RIGHTS.