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Fulldome Standards

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

Website: http://imersa.org
Members: 41
Latest Activity: Nov 28, 2017

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:

http://www.giantscreencinema.com/MemberCenter/DIGSS/DIGSSForum.aspx?utm_source=Master+List&utm_campaign=7ff7436ea6-DIGSS_Forum&utm_medium=email&utm_term=0_424baa4216-7ff7436ea6-52111981
 
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 kelly@giantscreencinema.com.
 
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.

Comment Wall

Comment by Mark C. Petersen on February 18, 2012 at 11:03pm

There are MANY reasons why we (Loch Ness Productions) and other producers do not ship dome masters to customers. "Security" is but one of those reasons.  Most of our customers have told us they do NOT want shows shipped as dome masters.  They don't have the capability, resources, time, and talent to make movies from dome masters -- and more importantly, they don't WANT to have such.  They want plug-and-play; they want it to simply show, no muss, no fuss.  We heartily concur.  It should be that easy.

Comment by Mark C. Petersen on February 18, 2012 at 11:14pm

Another reason... as producers, we know how our show is supposed to look, idealized fantasy though that may be.  We know how the audio is supposed to sync.  We do quality control on the movies we ship. We know they're done right.

If one ships dome masters, all bets are off -- who knows what will happen to the movie the recipient makes?  We've all been to festivals and conferences where what's shown on the dome is NOT what the producer intended.  From compression artifacts to audio out of sync to channels encoded flipped... the possibilities for havoc to ensue are Murphy-esque.  If it can go wrong, it will. 

Even when the presenting venue "does the encode right", still the end result may not pass muster with the producer.  Ryan can speak to that.

Comment by Mark C. Petersen on February 18, 2012 at 11:18pm

Ed, the reason why festivals have required dome masters is that they have all been in venues where proprietary slicing and encoding is in play.  Plain and simple.  NOT because it's preferred -- it's because there's no other way to get everything to show on their proprietary systems. 

Comment by Mark C. Petersen on February 18, 2012 at 11:31pm

Ken: with regard to a "trusted third-party service" for venue-specific formatting... since so many venues have quirks in their multi-projector setups, such service bureau would essentially be doing custom one-offs for every theater.  The bigger issue, though, is that proprietary encoding requirement -- not only is the configuration a custom job, but it's gotta be done using the vendor-specific encoder.  At present, there's not a lot of "open-ness" regarding those closed systems. 

If there was some generic slicer/encoder software, such that one could input a theater's configuration as, say, an .INI file, and output the correct slices... that could be useful.  But even if such a thing existed, you'd have to get the hardware vendors to sign on to supporting playback of those movies.  They kinda don't have an incentive to do that presently.

Comment by Ken Scott on February 19, 2012 at 4:59pm

And that is what the detailed metadata is for:  to facilitate the implementation of that very tool.  (I should mention that it also highlights a missing element in the current spec:  metadata describing the venue.)

I mentioned earlier that I would be very interested in building this "Universal Fulldome Media Translator".  What I'm visualizing is a cloud-based service that acts as the "trusted third-party service".  You put in a dome master, the metadata for the video and the venue, and you get back a re-rendered/sliced/encoded video ready-to-play.  This could be operated as a non-profit, or even as a for-profit.

What if we created a service where the various players (com, edu, gov - producers and consumers) pool their funds to create and operate?  Is there anything like that out there now?  Is it even viable to think that the players will collaborate that way?  Or is a proprietary solution more feasible?

Thinking out loud...

Comment by Amr Ellaithy on March 27, 2012 at 9:03am
Comment by IMERSA.org on May 25, 2012 at 12:50am

Thanks to all for your valuable inputs.  We will be collecting these comments at the end of May and revising the specification accordingly.  Any last thoughts?

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Discussion Forum

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

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

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

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

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

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

Dome Master Show File Format 1.0 - Sec.III - Audio Files 1 Reply

Started by IMERSA.org. Last reply by Ken Scott Jul 26, 2012.

IPS 2012 IMERSA Fulldome Standards Workshop

Started by IMERSA.org Jul 26, 2012.

Dome Master Show File Format 1.0 - Sec.VI - Digital Rights Management: Encryption, etc. 10 Replies

Started by IMERSA.org. Last reply by Ryan Wyatt Jul 16, 2012.

Dome Master Show File Format 1.0 - Sec. I - Metadata 6 Replies

Started by IMERSA.org. Last reply by IMERSA.org Jul 16, 2012.

Dome Master Show File Format 1.0 - Sec.II - Dome Master Working Specification 22 Replies

Started by IMERSA.org. Last reply by Jérémie Gerhardt Apr 26, 2012.

Dome Master Show File Format 1.0 - Sec.V - Program Distribution Medium 6 Replies

Started by IMERSA.org. Last reply by Jonathan Strawn Feb 6, 2012.

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