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  #1  
Old 01-29-2021, 03:56 PM
aaquilato's Avatar
aaquilato aaquilato is offline
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Location: Franklin TN
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Default Omni HD S/PDIF output not working

Does anyone know how to use an Omni HD?
I mean really.
Mastered the i/o?

I'm having what seems to be a simple hiccup.
I've been using the Omni for a year or two.
No problem using a simple analog 1-2 i/o.
Using the Omni to monitor an analog stereo bus from Pro Tools.

Today I tried to get the S/PDIF i/o working along with the analog i/o.

Can anyone shed some light on this dim bulb?

Thanks
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AQ.

Mac OSX Mojave 10.14.6 running Pro Tools Ultimate 2023.6
Mac OSX Mojave 10.14.6 running Pro Tools Ultimate 2022.9
Black Lion modified OMNI HD w/XB clock
Multiple Black Lion modified 192 FM/XB interfaces
Mac OSX ML 10.8.4 running PT10.3.7 HD4 PCIx (TDM & Native)
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  #2  
Old 01-29-2021, 05:49 PM
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Ryan Young Ryan Young is offline
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Location: Santa Clarita, CA
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Default Re: Omni HD S/PDIF output not working

For this to work, you have to select Optical SPDIF as well as have at least one monitor set up.
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-Ryan Young

•2019 Mac Pro 3.5 GHz 8-Core Intel Xeon W - 48 GB 2666 MHz DDR4 (OS 10.15.5) •HD Native PCIe, HD Omni, 192 I/o, Pro Tools Ultimate •Avid S3 + Dock •Blackmagic Intensity Pro (HDMI) •5.1 Room with JBL LSR4300 series

Additional Systems

•2010 Mac Pro 2 x 2.66 GHz 6-Core Intel Xeon - 48 GB 1333 MHz DDR3 (OS 10.14.6) •HD Native PCIe, 192 I/o, 96 I/o, Pro Tools Ultimate •McMix (x4), McControl (x1), JLCooper Surround panner for D-Command ES, Avid Control •Blackmagic Intensity Pro (HDMI) •7.1.4 Room with JBL LSR4300 series

•2017 MacBook Pro 2.8 GHz i7 - 16 GB 2133 MHz LPDDR3 (OS 10.14.6) •HD Native TB, HD Omni, Pro Tools Ultimate •McMix (x1), McControl (x1), Avid Control * or * D-Command ES Main Unit •Fed into whichever system is the main system
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  #3  
Old 01-30-2021, 10:12 AM
aaquilato's Avatar
aaquilato aaquilato is offline
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Default Re: Omni HD S/PDIF output not working

Hi Ryan.
Thank you for replying. I've been having a tough time getting what seems to be something very simple to work.

Every time I make a change to the Omni hardware setup that changes the i/o in my session and I lose my analog monitoring path.
I know the two are connected and I've obviously set this up wrong from the beginning.

What does your PT i/o look like?

I'm attaching the same screen shots of my setup.
I'm just using i/o 1-2 and that works fine as long as NO monitor path is selected in the Omni setup.

I'm also using a Dangerous 2-Bus+ which means I create a bus to send to the audio track I'm recording my mix to.
That also means that track output needs to be the input of that bus...
I'll attach a shot of that as well.

All I'm additionally trying to do now is listen to the digital output of my computer for Spotify, YouTube, etc...
I also thought I could send that S/PDIF output (optical or coax) to another converter to compare the output of the Omni and the 2nd converter.

Optical S/PDIF out from the computer shows up wherever I assign that input.
I haven't figured out how to listen to that signal though.
It doesn't show up on any output analog or digital, no matter how or what assignments I make.

And while I'm making those changes, it changes the session i/o which means I'm constantly fixing things.

I obviously do not know what I'm doing here and need some help.

Screen shots attached below.

btw... How did you create multiple paths on output 7-8 of your Omni?

AQ.
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AQ.

Mac OSX Mojave 10.14.6 running Pro Tools Ultimate 2023.6
Mac OSX Mojave 10.14.6 running Pro Tools Ultimate 2022.9
Black Lion modified OMNI HD w/XB clock
Multiple Black Lion modified 192 FM/XB interfaces
Mac OSX ML 10.8.4 running PT10.3.7 HD4 PCIx (TDM & Native)
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  #4  
Old 01-30-2021, 04:47 PM
aaquilato's Avatar
aaquilato aaquilato is offline
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Location: Franklin TN
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Default Re: Omni HD S/PDIF output not working

Reading the manual again, now carefully, I did indeed setup my templates with only the analog i/o in mind.
Changing that now means creating a new template or two, unless someone has a better solution.

From the manual...

Mono and stereo Monitor paths are always automatically
assigned to the first Output selector
(Pro Tools channel outputs 1–2) and cannot be
changed. Larger Monitor path formats similarly
use subsequent Outputs as needed (depending
on the channel width of the Monitor path).
Physical outputs (such as “Analog 1–2”) are unavailable
when they are assigned to Monitor
(but Pro Tools output channels assigned to
“Monitor” sound through the corresponding
physical outputs).


Anyone?
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AQ.

Mac OSX Mojave 10.14.6 running Pro Tools Ultimate 2023.6
Mac OSX Mojave 10.14.6 running Pro Tools Ultimate 2022.9
Black Lion modified OMNI HD w/XB clock
Multiple Black Lion modified 192 FM/XB interfaces
Mac OSX ML 10.8.4 running PT10.3.7 HD4 PCIx (TDM & Native)
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  #5  
Old 01-31-2021, 12:04 PM
aaquilato's Avatar
aaquilato aaquilato is offline
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Join Date: Jan 2007
Location: Franklin TN
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Default Re: Omni HD S/PDIF output not working

Well, after many hours of patching and repatching both analog and digitally I’ve realized this unit has some serious i/o limitations all based on the convoluted hardware setup.

And incredibly pour metering. I did get the digital outputs working only to find out there is only digital input metering. No digital output metering.
Why is that?

It’s too bad. I had Black Lion do a full A/D D/A modification to this and it really does sound good now.
Before, not so good.

Live and learn. C’est la vie.
Gonna sell it and find something else. Maybe a Lynx Aurora.
__________________
AQ.

Mac OSX Mojave 10.14.6 running Pro Tools Ultimate 2023.6
Mac OSX Mojave 10.14.6 running Pro Tools Ultimate 2022.9
Black Lion modified OMNI HD w/XB clock
Multiple Black Lion modified 192 FM/XB interfaces
Mac OSX ML 10.8.4 running PT10.3.7 HD4 PCIx (TDM & Native)
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  #6  
Old 01-31-2021, 04:13 PM
XJENSEN XJENSEN is offline
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Join Date: Dec 2004
Location: Gent, Belgium, Europe
Posts: 511
Default Re: Omni HD S/PDIF output not working

The HD OMNI's limitations have been well known for a while.
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