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DVB COMMON SCRAMBLING ALGORITH
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DVB COMMON SCRAMBLING ALGORITHM
INTRODUCTION
This document contains the forms of the distribution agreements for the
elements of the Common Scrambling Algorithm approved by the Steering Board of the DVB
Project.
The Common Scrambling Algorithm is comprised of the Common
Descrambling System and Scrambling Technology. The specification for each is distributed
separately under arrangements with the European Telecommunications Standards Institute,
which acts as Custodian for the four Companies which have developed the Common
Scrambling Algorithm.
These are the arrangements contemplated for descrambling of digital television
signals “according to the common European scrambling algorithm as administrated by a
recognised European standardisation body” under Article 4(a) of the Directive 95/47/EC of
the European Parliament and of the Council of 24 October 1995 on the use of standards for
the transmission of television signals, OJ L 281/51 (23 Nov 95).
The Common Descrambled System will be licensed to manufacturers of
Decoders and their components, and to providers, designers and other entities engaged in
conditional access. The DVB Common Descrambling System License and Non-Disclosure
Agreement is contained in Part A of this document.
The Scrambling Technology will be licensed to manufacturers of Scramblers,
which will in turn sublicense the purchasers of Scramblers. The DVB Scrambling Technology
Licence and Non-Disclosure Agreement is contained in Part B of this document.
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