DCI Specs - Digital Cinema Initiatives

Generic ForensicMark InserterGPIOGUIHMACHVSHzIANAi.e.In this architecture, metadata is first created at authoring that contains:1) locations within the title where forensic marking may be inserted, and 2)commands that set the type of steganographic marking to be used toencode the actual forensic information. In the theater, at the time ofplayback, the metadata is used to instruct the inserter in the Media Blockhow, where, and when the required information will be hidden within thesound and/or picture.Acronym for General Purpose Input or OutputAcronym for Graphical User InterfaceAcronym for Hashing Message Authentication CodesAcronym for the Human Visual SystemAbbreviation for Hertz, a unit of frequency expressed in cycles per secondAcronym for Internet Assigned Numbers AuthorityAbbreviation for the Latin phrase id est, meaning “that is”ICT Acronym for Irreversible Color Transformation – see JPEG 2000specification [ISO/IEC 15444-1]IECIETFIMBIPISANISOITMJPEGKDMKEKKeyKey EpochkHzKLVLDLDBLELEDLocal StorageLocalizationsAcronym for International Electrotechnical CommissionAcronym for Internet Engineering Task ForceAcronym for Image Media BlockAcronym for Intellectual PropertyAcronym for International Standards Audiovisual NumberAcronym for International Organization for StandardizationAcronym for Intra-Theater MessageAcronym for Joint Photographic Experts Group, the international body thatdeveloped the JPEG 2000 standardAcronym for Key Delivery MessageAcronym for Key-Encrypting KeyElectronic data used to allow data encryption and decryptionThe period of time during which a given decryption key is valid. The keyepoch defines a minimum practical time period for use of encrypted trackfiles.Acronym for kilo Hertz, one thousand cycles per second, a measure offrequencyAcronym for Key Length Value – used by the MXF to parse binary dataAcronym for Link DecryptionAcronym for Link Decryption BlockAcronym for Link EncryptionAcronym for Light Emitting DiodeA storage device that is associated with an individual playback deviceText on screen representing either non-source language dialog orinformation pertinent to the story such as time and place. This is specificallythe text that is absent in text-less masters. This text is localized or translatedfor various markets either through subtitles or entire image replacement.DCI Digital Cinema System Specification v.1.2 Page 153