Inter-Society Digital Cinema Forum (ISDCF)


The Immersive Audio Plugfest is going to “officially” be one day, Tuesday February 26, 2019 at the Deluxe Facility on Flower. Observers should plan on this day to “see it all.” Participants are encouraged to set up on Monday February 25 in the afternoon. We should be ready to go on Tuesday. (For those in the know, the interaction between participants during set-up is as important (if not more important) than the actual day of the plugfest!)


Audio Immersion Plugfest: Tuesday February 26, 2019 8:00 - Deluxe on Flower

Audio Immersion Plugfest: Monday February 25, 2019 Noon - Set-up Only - Deluxe on Flower (see address below)


Screening Room 2 (Jim Whittlesey Room)

Deluxe Technicolor Digital Cinema

300 S Flower St, Burbank, CA 91502

Projectors Available:

Christie CP2220/Barco DP4K-23B

Servers Available:

Doremi DCP2000, Doremi B, Dolby DSS100, Dolby DSS200, Qube XP-D, GDC SA2100. Christie IMB-S2/GDC SX4000 (Christie/Barco IMBs)

Audio Processors:

Dolby CP850

Barco AP24

QSC Q-SYS‡


Barco Server: ICMP (https://www.barco.com/en/product/barco-alchemy-icmp)

Barco Audio Processor: APX (https://www.barco.com/en/product/apx-audio-processor)


Dolby:

. ShowVault/IMB (with Christie projector faceplate)

. CP850

. TMS


Comscore will bring a TMS.


If you are planning to bring equipment, please send a note and coordinate with Steve LLamb, Justin, Sean about what you plan on bringing if you haven’t already. Also shoot me a note about specifically what you are bring so we can share with the group.


We have created a reflector for Immersive Audio matters. You can join it at: http://lists.isdcf.com/listinfo.cgi/immersivesound-isdcf.com


Test content is becoming available. This content should be considered ALPHA content. It is not tested nor approved. It's their best guess of good IAB content!

===


Please find below a short Fox trailer for use during the plugfest. This material contains a DBOX track in MainSound:


 https://dci.foxpico.com/basic/plugfest/ia/fox-ia-plugfest-tlr-1.tar.gz


===

Update 20190221

Another new version posted Feb 21, 2019


https://dci.foxpico.com/basic/cc879983432c/FoxIATest-v5.tar (23GB)


KDMs:


https://dci.foxpico.com/basic/aa333c74eae2/all.zip (736KB)


This version incorporates the following new features:

     •     Added a test to explicitly to check Sync

     •     Adjusted audio levels to be less loud

     •     Mix of encrypted an unencrypted trackfiles (as this caused problems on some systems)

     •     Add rudimentary on-screen 3D rendering of the IA bitstream (this is a beta feature - please ignore)


Known issues:

     •     MaxRendered value is incorrect in Combining Bed Test

     •     Pan sub-block test may not be correct (needs discussion)


Look forward to any feedback.


-Mike

===

Update 20190114

I'd like to announce a new version of the Fox IA Test content:


            https://dci.foxpico.com/basic/8b3e6313349b/FoxIATest-v4.tar   (21GB)


KDMs can be found here:


            https://dci.foxpico.com/basic/d31d6d57031a/all.zip



Changes are as follows:


     •     Fixed incorrect gain encoding in the Zone Gain test (thanks Franhaufer!)

     •     Reduced length of free-form audio description test to meet 2098-2 constraints.

     •     Adjusted Snap Tolerance.

     •     Lengthened duration of pan-subblock test.


I look forward to any comments!


Update: 20181228


/dci foxpico com/basic/f254d9cb0989/FoxIATest-v3.tar


Changes are as follows:


     1     Compute MaxRendered correctly instead of hard-coding it to 128 (thanks Philipp & Michael at Fraunhofer for the reminder that I had never implemented this properly).

     2     Add AudioDescription test.


Here are the KDMs:


dci foxpico com/basic/d7b24300874f/all.zip


-Mike


==

20181218


I'd like to share Version 2 of the Fox IA Test content:


dci foxpico com/basic/4b4c7d641829/FoxIATest-v2.tar


Changes are as follows:


     1     Add Bed Remap Test

     2     Add Pan Sub-block Test (designed to detect if any sub-blocks are being ignored/dropped).

     3     Add Zone-gain Test

     4     Corrected missing channel in 13.1 Bed Test

     5     Correct two reserved values in Object Definition (should have been 1, were set to 0) (thanks to Barco for catching this)

     6     other minor adjustments.


If you've requested KDMs already, you'll find new ones in the zip below:

  dci foxpico com/basic/2878ab958cc8/all.zip

Look forward your feedback!


-Mike

=====

Hello Everyone,

I'd like to post the first version of my test content. It's based on a custom implementation of ST 2098-2.


The DCP has the following features:


     1     Encrypted

     2     Multiple frame rates (24, 48 & 60 for now, but if you're interested in others, I have all of them).

     3     Zero-length Preamble

     4     Sparse IA content in reels (not all reels contain IA as per draft ST 429-19

     5     Sparse FSK Sync in reels (not all reels contain FSK sync, as per draft ST 429-19)


The test content itself incorporates the following tests:


     1     Simple bed channel routing

     2     Bed Gain Test

     3     Bed Decorrelation

     4     Object Gain

     5     Moving Objects

     6     Object Snap

     7     Object Snap Tolerance

     8     Object Spread (Low resolution, One dimensional, 3D)

     9     Simultaneous Object Load test (increments from 10 --> 128)

     10     Authoring Tool Metadata Test

     11     Multiple Combining Bed

     12     Replacement Beds


(Note that the newer version is above)


dci foxpico com/basic/0d81df86a24d/FoxIATest-v1.tar


Please send me your certs if you'd like to get KDMs.


-Mike Radford


=============

Fraunhofer implementation


Update: 20190207


Hello Everyone,


we would like to provide a first version of our IAB test items as DCPs.

The content is intended to be used for testing different aspects of IAB decoding and rendering functionality and is based on the Fraunhofer IAB encoder implementation.

We had previously shared the test items as unencrypted IAB essences in stand-alone MXF files.


Now, two DCPs are available, each with a picture track, a (silent) main audio track and an IAB track.

The assets are unencrypted and the IAB essence has the following properties:

- zero-length preamble

- framerate of 24 fps

- audio sampling rate of 48 kHz

- audio bit depth of 24 bits per sample

- audio encoded using minimal DLC encoding according to SMPTE 2098-2:2018, clause B.11


The following tests are included in the test items:


- DCP: FraunhoferIabTestContentV1_TST_S_EN-XX_INT_71-ATMOS_2K_20190125_SMPTE_OV

1.     9.1OH bed channel check

2.     Conditional Sub-BedDefinition elements

3.     Conditional Sub-ObjectDefinition elements

4.     BedDefinition element with AudioDescriptionText

5.     ObjectDefinition element with AudioDescriptionText

6.     AuthoringToolInformation element

(Further information is given in the picture track)


- DCP: Meridian3Beds_TST_S-178_EN-XX_71-ATMOS_2K_20190125_SMPTE_OV

7.     Three simultaneous 9.1OH BedDefinition elements


The content can be downloaded using the following link:


https://owncloud.fraunhofer.de/index.php/s/wu0K0yk1cB6BscU



If useful for the group, we would be happy to prepare and contribute additional test material with selected properties.


We are looking forward to any feedback, questions and additional feature requests for the IAB plugfest.


Best,

Philipp and Michael



==

Update 20190101 or so...


Hello Everyone,


we would like to share a set of IAB test items which are intended to be used for testing different aspects of IAB decoding and rendering functionality.

The content is based on the Fraunhofer implementation of an IAB encoder.


Each test item is provided in a separate MXF file with (unencrypted) IAB essence. The IAB essence has the following properties:

- zero-length preamble

- framerate of 24 fps

- audio sampling rate of 48 kHz

- audio bit depth of 24 bits per sample

- audio encoded using minimal DLC encoding according to SMPTE 2098-2:201x, clause B.11


The following test items are provided (for a more detailed description please see the word document attached to test content):

1. 9.1OH bed channel check

2. AuthoringToolInformation element

3. ObjectDefinition element with AudioDescriptionText

4. BedDefinition element with AudioDescriptionText

5. Conditional Sub-ObjectDefinition elements

6. Conditional Sub-BedDefinition elements

7. Three simultaneous BedDefinition elements


The content can be downloaded using the following link:


https://owncloud.fraunhofer.de/index.php/s/W1gURUCB0eOJm1l


(Note New Link!)


If useful, we would be happy to prepare and contribute additional test material with selected properties.


We are looking forward to receiving any feedback or questions!


Kind regards,

Philipp and Michael


--

Dipl.-Ing. Michael Kratschmer

Group Manager Audio Metadata

Department Audio

Division Audio and Media Technologies


Fraunhofer Institute for Integrated Circuits IIS

Am Wolfsmantel 33

91058 Erlangen, Germany




Participants: (Tentative) Dolby, Barco, D-BOX, Fraunhofer

Content for Plugfest Testing: TBD - contact Jerry if you want to contribute content (SMPTE-DCP with Immersive Audio content)

Future Location for face-to-face plugfest: Being discussed: Deluxe, Cinemark Playa Vista (they have set up for Barco and Dolby), Universal's Hitchcock, The Dub Stage in Burbank, AMC Burbank, Others?

Immersive Audio Plugfest  - last updated March 13, 2019


Photos posted to https://www.lluxoperon.com/ISDCF-IA-Plugfest-20190226/ by Steve LLamb


Jerry's Summary: A .PDF document.