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 CTP VERSION 1.4a
CTP Version 1.4a
Summary of changes since CTP Version 1.4
- Clarify the position of the spectroradiometer at 7.1.1 and 7.5.15
- Update test procedures 7.5.12 and 7.5.26 to match revised RP 431-2
- Clarify ambient light requirements for imaging device environments
- Move CTP Version from row 11 to row 2 in Table 11.1
CTP VERSION 1.4a is a "stage 1" revision to CTP Version 1.4 and replaces it immediately.
Pursuant to DCI's Compliance Test Plan Change Policy Statement, CTP 1.4a will go into effect, on Saturday December 02, 2023 – 120 days after CTP 1.4 was approved for distribution.
CTP Version 1.4a 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 CTP. There is a redline version that compares CTP 1.4a to CTP 1.4, showing additions and deletions. The redline is available in an online HTML edition.
See the Compliance Test Plan (CTP) page for CTP version 1.4a 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.

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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