DCI Requirements for
Digital Cinema Packages
DCP Image Format
The images shall be compressed with JPEG2000 ACTIVE IMAGE ONLY per the DCI specification and shall have
the following attributes:
4:4:4 12 bits per sample, X’Y’Z’ color space, DCI-P3 Color gamut Image sizes:
• 2K scope: 2048 x 858
• 2K flat: 1998 x 1080
• 4K scope: 4096 x1716
• 4K flat: 3996 x 2160
DCP Audio Format
The audio files shall have the following attributes:
• Files must be in reels matching the image file reels
• The sampling clock rate shall be exactly 48,000.000 Hz or 48 KHz at exactly 24 fps
• Reference level shall be -20dbfs
DCP Format
The DCP files shall be wrapped using the MXF Interop for DCI. The DCP shall consist of the following types of files:
• Assetmap
• Vol Index
• Packing List (PKL)
• Composition Playlist (CPL)s
• MXF Wrapped image track file(s)
• MXF Wrapped audio track file(s)
The image and audio files shall be in sync.
Image files shall be wrapped from the JPEG2000 compressed image files or equivalent.
Audio files shall be wrapped for 5.1 sound with the following channel assignments:
• Channel 1—Left • Channel 2—Right
• Channel 3—Center • Channel 4—LFE
• Channel 5—Left Surround • Channel 6—Right Surround
If two (2) channels of sound (Stereo— LtRt) are required, a separate CPL shall be used within the same DCP.
File Naming
The DCP file name must follow proper digital cinema naming convention.
Reference http://digitalcinemanamingconvention.com for more info.
Physical Media for Final DCP
The files shall be delivered on an external hard drive with an USB2 interface using EXT2 or EXT3 Linux file system.
Trailers shall be delivered on USB Thumb Drive.
For more information contact dcinsupport@fotokem.com
www.fotokem.com © 2012 FotoKem Industries, Inc.
PLAYBACK
JPEG2000 2K or 4K movie and preshow file playback at 2K resolution
o 12 bit 444 (XYZ, RGB) on dual link HD-SDI
MPEG2 MXF interop movie, pre-show and alternative content file playback
JPEG2000 4K movie file playback at 4K resolution (option)
3D — JPEG2000 movies and 48p playback via Dual 10 bit 422 (YPbPr/YCxCz)
SECURITY
TI’s CineLink II Strong Link Encryption
Thomson’s NexGuard Forensic Watermarking
Philips’ CineFence Forensic Watermarking
FIPS 140-2 Level 3 Security Certified
INTERFACE
Gigabit Ethernet for file transfer
Gigabit Ethernet for control & subtitling
RS-422 serial control port
USB 2.0
External control of captioning cervices
o WGBH & PCS (Option)
STORAGE
Up to 4TB of RAID5 storage
AUDIO
AES/EBU audio16 channels
o Single DB-25 connector
Balanced or unbalanced analog audio 8 channels (two options available)
o Single DB-25 connector internal board
o External digital audio (DB-25) to analog audio converter in a1RU rack mount
chassis
GPIO
8 optically isolated inputs
8 open collector outputs
VIDEO OUTPUT
Dual link HD-SDI with physical link encryption
OUTPUT RESOLUTION
Dual link 2048 x 1080 24p 4:4:4 12 bit
Two single links 2048 x 1080 24p 4:2:2 10 bit
POWER
Dual-Redundant Power Supply
100–240VAC 50–60Hz (2 x 300W)
DIMENSIONS
3U Rack Unit
19” x 22” x 5.25” inch (48 x 56 x 13cm)
DCP File Sources Requirements
Preference sources:
Resolution: 2048px х 1080px; 2048px x 858px ;1998px x 1080px
Format: DPX sequence Apple ProRes HQ, TGA, TIFF see file naming and directory convention)
Color spaces: RGB, R'G'B', XYZ, X'Y'Z'
Information about the Gamma must be provided in case is different from REC709 Gamma
2.2
Other sources (HD):
Resolution: 1920px x 1080px (preferable), 1280px x 720px
Other resolutions: 1440px x 1080px, 1280px x 1080px
Format: TIFF sequence (preferable), TGA, MOV
Color spaces: RGB, R'G'B', YUV
HD masters: HDCAM, HDCAM-SR, HDV, AVCHD
Information about the Gamma must be provided in case is different from REC709 Gamma
2.2
The video should be 24 frames.
Specifications of audio:
All audio files should be in some non-compressed format - /wav/ with following
specifications:
- sampling frequency - 48kHz
- resolution - 24bit integer
Files can be mono or 5.1 depending on the content. It is very important music and effects
tracks /and files/ to be kept stereophonic.
Undesired sources:
Resolution: 720px x 576px (SD)
Format: TIFF sequence (preferable), TGA, AVI, MOV, MPEG
Color spaces: RGB, R'G'B', YUV
Digital Cinema Initiatives
DCI SYSTEM REQUIREMENTS AND SPECIFICATIONS FOR DIGITAL
CINEMA
DCI Specification, Version 1.2 with Errata as of 30 August 2012
Incorporated
Digital Cinema Initiatives, LLC (DCI) has adopted a revised Version 1.2 of its
Digital Cinema System Specification with errata as of 30 August 2012
incorporated.
The new DCI Specification, Version 1.2 with Errata as of 30 August 2012
Incorporated, dated 10 October 2012, incorporates the 96 erratum previously
released for Version 1.2 of the DCI Specification that was dated 7 March 2008.
With the integration of these errata into the body of the Specification, readers
will now be able to use the Specification without having to cross-reference to
these 96 errata.
Future errata will modify the DCI Specification, Version 1.2 with Errata as of 30
August 2012 Incorporated.
Click here for:
Digital Cinema System Specification Version 1.2 with Errata as of 30 August
2012 Incorporated, dated 10 October 2012 (PDF)
Click here for:
Digital Cinema Object-Based Audio Addendum, dated September 9, 2013 (PDF)
Click here for:
DCI Stereoscopic Digital Cinema Addendum, Version 1.0, dated July 11, 2007
(PDF)
ERRATA TO DCI DIGITAL CINEMA SYSTEM SPECIFICATION
VERSION 1.2 WITH ERRATA AS OF 30 AUGUST 2012 INCORPORATED
Errata items continue to be evaluated and will be posted after agreement by the
DCI membership that the specific erratum needs to modify the DCI Digital
Cinema System Specification, Version 1.2 With Errata As Of 30 August 2012
Incorporated. Suggested Erratum issues may be emailed to
dci.info@dcimovies.com. Please include "Errata" in the subject line.
DCI SPECIFICATION ERRATA LISTING -- 21 AUGUST 2013
Click here for [Errata_1-2_2013-0821.pdf]
ERRATA TO DCI DIGITAL CINEMA SYSTEM SPECIFICATION
VERSION 1.2 WITH ERRATA AS OF 30 AUGUST 2012 INCORPORATED
Spec. 1.2
with Errata Section(s)
Erratum Description
Incorporated Affected
Page No.
1 26 Section Section 3.3.3 is replaced in its entirety with the following:
3.3.3
3.3.3. Channel Labeling and Channel Routing
Channel labeling indicates where an audio channel is to be
reproduced in an auditorium. Channel routing is the process of
using these labels to direct each audio channel to the Media
Block output that corresponds to the intended loudspeaker or
device.
The playback device is required to perform channel routing.
The channel labels and schema in SMPTE ST 429-2 "D-Cinema
Packaging-DCP Operational Constraints" shall be utilized.
2 100 Section The following sentence is added to the end of item #5 (i.e.,
9.4.3.5 below "b. Audio - Process..."):
The SM shall prevent playout of encrypted content for which
the image and sound integrity pack metadata is not present
per the requirements of Section 5.3.2.1.
See more on:
http://www.dcimovies.com/specification/index.html
