Tag Archives: ISO

Certificate Authorities and DCinema

This weeks news brings up a sore subject: Trust.

In DCinema, this means Trusted Device Lists (TDL) and Certificate Authorities as specified in the SMPTE/ISO and DCI documents.

In the outside world, the foundation is also a group of companies who issue certificates that bring different levels of trust to different websites or those who access the websites. These companies are the CAs or Certificate Authorities. Last year, one was found to have been hacked.

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Certificate Authorities and DCinema

This weeks news brings up a sore subject: Trust.

In DCinema, this means Trusted Device Lists (TDL) and Certificate Authorities as specified in the SMPTE/ISO and DCI documents.

In the outside world, the foundation is also a group of companies who issue certificates that bring different levels of trust to different websites or those who access the websites. These companies are the CAs or Certificate Authorities. Last year, one was found to have been hacked.

[……]

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DCI Talks NIST

NIST logo, smallCompliance in DCinema means compliance with the details of several standards groups and organizations. Video compression and Decompression will be compliant with JPEG 2000, a set of standards of the Joint Photographic Experts Group, audio formats are specified by AES (Audio Engineering Society) formats and encryption within the Advanced Encryption Standard of the National Institute of Standards and Technology (NIST) and the Federal Information Procession Standards (FIPS). Of course, the over-riding standards group who tied all the nuance together is the Society of Motion Picture and Television Engineers (SMPTE).

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Force of Law; France Issues DCinema Document

The document Digital Projection in Cinema has been released by the CNC (National Centre of Cinematography), dated June 2007.

Among the general details about implementation of equipment, on Page 3 they make the statement:

Later on, the standard published by the SMPTE will probably be brought into line with the international ISO norm. However, while this ISO standardisation would give the SMPTE standard an undeniable legal foundation, it is clear, as is the case, for example, in the field of HD television, that the SMPTE standard would have force of law on an international level.

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