Fulldome Standards

Open forum for proposed fulldome standards proposals, publication and comment operated by IMERSA Standards Committee and affiliates.

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Latest Activity: Apr 1, 2019

Provide your input on the GSCA Digital Immersive Giant Screen Specifications (DIGSS)

Provide your input on the GSCA Digital Immersive Giant Screen Specifications (DIGSS)

Specifications to be finalized in June

GSCA is seeking input on DIGSS 1.1 (Digital Immersive Giant Screen Specifications) and invites you to participate in an online forum to share your comments, ideas, or other suggestions. This is an opportunity for you to provide your opinion and expertise on an important industry initiative. The DIGSS Task Force will use this input to refine the specifications, with the hope to finalize them this June.
The Task Force is seeking input on five key specifications:

  • flat screens
  • domes
  • audio
  • theater design
  • the DIGSS 1.1 document structure

You will find a forum discussion thread for each of these topics at the following link:
The specifications, as well as a document explaining the importance of DIGSS, can be found at that link as well.
You do not need to be a GSCA member to participate in the conversation; however, you do need a login to post comments (nonmembers can be issued a forum login). If you do not know your login or do not have one, please contact
Thank you in advance for your participation. We greatly value your input.

Discussion Forum

Emerging Standards Effort in Immersive Audio (re-post) 2 Replies

Approaching an Immersive Audio Standard By Michael Goldman   While precise technical and timeline details about a single, internationally accepted standard for an interoperable, immersive audio…Continue

Tags: sound, surround, audio, immersive

Started by Ed Lantz. Last reply by Matthew Dougherty Aug 8, 2014.

GSCA-IMERSA Pre-Summit Workshop March 5th 2 Replies

GSCA-IMERSA Pre-Summit Workshop  Wednesday, March 5, 2014This dome standards retreat is the beginning of a real visible effort between the GSCA and IMERSA to formalize their relationship and begin to…Continue

Started by Dan. Last reply by Dan Jan 18, 2014.

Emerging Film Industry Standards to Watch: IMF, ACES and MXF 2 Replies

Here are file exchange standards and formats (aside from DCI) that we should keep an eye on:Interoperable Master Format (IMF) – Led by USC’s ETC…Continue

Tags: standards, film, MXF, ACES, IMF

Started by Ed Lantz. Last reply by Ed Lantz Feb 14, 2013.

Notes from IMERSA Fulldome Standards Committee meeting at IPS 7/26/2012

standardsworkshopnotesatIPS.docThis is a running summary of the session. Unable to identify…Continue

Started by Judith Rubin Jul 27, 2012.

Comment Wall

Comment by on January 18, 2012 at 4:20am

All 6 sections of the Proposed Dome Master Show File Format are posted above as separate discussion threads.  Please comment by replying, or download Word Doc, add your comments, and re-attach to thread or email to with your name and affiliation.  Thank you for your comments!

Comment by Ed Lantz on February 4, 2012 at 1:43pm

Thanks so much for your comments, everyone!  I think this online forum is going to work for us.  Note that you can upload and share files in the discussion threads...

Comment by Ryan Wyatt on February 8, 2012 at 5:07pm

Yes! This is a great start. I hope we can encourage everybody to keep providing feedback as we move forward with these standards…

Comment by Ken Scott on February 8, 2012 at 6:35pm

Awesome forum guys.

When can we expect...

...a synopsis of progress/thoughts from Denver?  (I want video of Mark Peterson's rant!)

...a revised document?

Comment by Ed Lantz on February 18, 2012 at 8:21pm

Hi Ken.  Interestingly, we mostly discussed the standards process and areas where standards can make a difference rather than digging into the spec.  We're gathering feedback on the spec here that will be used to craft a new draft document in the April timeframe.

Comment by Ken Scott on February 18, 2012 at 8:41pm

Cool.  I'm really interested in seeing the more details in the metadata spec.  As a content producer, I want to ensure that what I produce can be read and processed by production equipment.

Comment by Ed Lantz on February 18, 2012 at 9:06pm

Exactly - that is the purpose of the metadata. What came up after Mark's talk was the fact that it is easier to deliver compressed files that are a few GB large than 500 GB+ dome masters.  However the producer has to format and compress these files to scores of different formats.  Mark said that they would not deliver dome masters for security reasons...

Comment by Ed Lantz on February 18, 2012 at 9:44pm

...however doing splitting and encoding for multi-projector theaters places a nearly impossible burden on show producers who would need access to proprietary codecs and theater parameters. The Dome Master is still the preferred format accepted by festival operators... I think they are a litmus test for any standards or specifications.

Comment by Ken Scott on February 18, 2012 at 9:54pm

Is there a trusted third-party service that can take any dome master and do the venue-specific formatting...?

Comment by Ed Lantz on February 18, 2012 at 10:33pm
not yet... a fulldome service bureau would be great. we get a lot of requests for film conversions too...


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