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Digital Cinema Initiatives
ABOUT DCI
Digital Cinema Initiatives, LLC (DCI) was created in March 2002, and is a joint venture of Disney, Paramount, Sony Pictures Entertainment, Universal and Warner Bros. Studios. DCI's primary purpose is to establish and document voluntary specifications for an open architecture for digital cinema that ensures a uniform and high level of technical performance, reliability and quality control.
DCI Releases DCI Compliance Test Plan (CTP) Version 1.4
Approved for Distribution July 18, 2023
Digital Cinema Initiatives, LLC, Member Representative Committee
Release notes
- Add SDR Direct View, HDR Direct View and HDR Projector test subjects
- Subject all Media Blocks to timed text rendering test procedures
- Specify tolerances for SDR projector test procedures and make them pass/fail
- Replace photometer with spectroradiometer
- Add stereoscopic image test procedures
- Renumber tables and figures
- Use consistent terminology for CMVP testing laboratory
Pursuant to DCI's Compliance Test Plan Change Policy Statement, the release of CTP 1.4 constitutes a "stage 2" revision as it imposes new requirements and so will go into effect in 120 days, on Saturday December 02, 2023.
The CTP Version 1.4 is available both as an online HTML edition and as a PDF file. The PDF version contains pagination and includes page numbers whereas the HTML version does not. The HTML version is considered the definitive instance of the Compliance Test Plan, Version 1.4 There is a redline version that compares CTP 1.4 to CTP 1.3.3, showing additions and deletions. The redline is available in an online HTML edition.
See the Compliance Test Plan (CTP) page for CTP version 1.4 and 1.3.3.
DCI Releases DCI Specification, DCSS Version 1.4.3
Approved for Distribution on May 24, 2023
Digital Cinema Initiatives, LLC, Member Representative Committee
DCSS Version 1.4.3 includes minor revisions and refinements as follows:
- Add bandwidth calculations for 48 kHz audio
- Remove Link Encryption (LE) description and requirements
- Allow curved Direct View Displays
- Allow 19 or 20 bits for the FM Location Payload
- Specify the time period after which playback stops in absence of Integrity Pack Metadata
- Clarify storage reliability requirements
The DCSS 1.4.3 is available as an online HTML edition and as a PDF file. The PDF version contains pagination and includes page numbers whereas the HTML version does not. The PDF version is considered the definitive instance of the Digital Cinema System Specification, Version 1.4.3.
There is also a redline version that compares DCSS 1.4.3 to DCSS 1.4.2, showing additions and deletions. The redline is available in an online HTML or PDF edition. Future DCSS revisions will modify the DCSS Version 1.4.2.
See the DCI Specification page of the DCI web site for further information.
DCI Releases High Dynamic Range D-Cinema Addendum, Version 1.1, and
Direct View Display D-Cinema Addendum, Version 1.1
Approved for Distribution 1 March 2023
Digital Cinema Initiatives, LLC, Member Representative Committee
Changes to the HDR Addendum can be summarized as follows:
- add explicit XYZ tristimulus values to Tables 3, 4 and 5
- clarify measurement conditions for tracking performance and color accuracy
- update to common DCI document style
- improve precision of values in Table 3
- remove ft-L representations of luminance
Changes to the DV Addendum can be summarized as follows:
- add requirements for Inactive Area Black Level
- rename Stereoscopic Contrast Ratio to Stereoscopic Extinction Ratio
- apply common DCI document styles
See the DCI Specification page of the DCI web site for further information.
DIGITAL CINEMA INITIATIVES, LLC, ANNOUNCES
PURDUE SCHOLARSHIP IN HONOR OF JIM WHITTLESEY
Hollywood, California - February 18, 2017 - Digital Cinema Initiatives, LLC, (DCI) announced today that it has created a scholarship fund at Purdue University in memory of Jim Whittlesey (1953-2017). Jim received his BSEE from Purdue University in 1981.
Jim was known and beloved throughout the entertainment industry as a d-cinema pioneer and ambassador. DCI is forever grateful to Jim for his invaluable contributions to its organization and to the digital cinema community.
Jim worked for DCI from 2003 to 2005 during the initial development of the DCI System Specification, becoming its Director of Technology. He returned to consult for DCI in late 2014 until his untimely passing in January 2017.
The DCI scholarship donation of $12,000 will aid students in electrical engineering and computer science. DCI invites you to honor Jim's legacy by making contributions to the Jim Whittlesey Scholarship Fund at: connect.purdue.edu/InMemoryofJimWhittlesey.
About Digital Cinema Initiatives, LLC
Digital Cinema Initiatives, LLC, (DCI) was created in March 2002, and is a joint venture of Disney, Fox, Paramount, Sony Pictures, Universal and Warner Bros. The primary purpose of DCI is to establish and document specifications for an open architecture for digital cinema that ensures a uniform and high level of technical performance, reliability and quality. See www.dcimovies.com for more information.
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