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#11
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Re: Mixed up 5.1 Outputs
Depending on what SPL monitor controller you have, I have seen this before. IIRC the SPL DB25 has a non standard pinout.
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Randall Smith Audio Editor/Mixer Starz Entertainment Group Denver, CO |
#13
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Re: Mixed up 5.1 Outputs
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And just to clarify what happens on most SPL boxes (since you haven't mentioned which one you are using), the Input C 5.1 DB-25 only listens to the first 6 channels (7-8 ignored) so 1 is L, 2 is R, 3 is Ls, 4 is Rs, 5 is C, 6 is LFE. You've started sending from 3 which is is why one issue is happening (L going to Ls) and the other issue is that Ls-Rs follow L and R in the SPL input order. In any way you look at it if you don't want to use the Omni as the switcher, surround needs to be the first 6 but then you want a separate stereo so you have to go to the Hardware setup and change the mirror on analogue out to 7-8 for TRS (pretty sure that is what you are using for your stereo set) and send stereo out 7-8. Then you can use the SPL as an input switcher (after you fix the track order on 5.1 output in Pro Tools too) But honestly, don't use the SPL and use the Omni as intended and make life easier.
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#14
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Re: Mixed up 5.1 Outputs
That is what I am now thinking, I had one specially made up, having sent though the pin diagrams from both manuals to the guys who made it for me, but I can't think of anything else. Only problem is a don't have a breakaway DB25 to female jack cable, so I have no way to test outputs 3-8 of the omni.
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#15
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Re: Mixed up 5.1 Outputs
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The Mpatch 5.1 follows the DTS path order which is L R Ls Rs C LFE. Perhaps the SPL is the same so it might be worth trying the DTS path order. Good luck!
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5,1 Mac Pro, 3.46 GHz Six Core Xeon, 48gb ram, Pro Tools Ultimate 2023.6, HD Native card, Avid 192io interface, Avid 96io, Intensity Pro video card, Radeon HD 7950 graphics card, Mac OS Monterey 12.6.7. Last edited by lae777; 05-14-2018 at 06:16 PM. |
#16
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Re: Mixed up 5.1 Outputs
You need to figure out how the inputs of the SPL are wired and match the outputs of the Omni with the inputs to the SPL. Then do NOT use the monitor controls on the Omni. Or. Completely eliminate the SPL all together and just use the Omni as your monitor controller. Until you have a handle on how things are wired, you will not make headway on this issue.
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#17
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Re: Mixed up 5.1 Outputs
Yes, my SPL has a nonstandard channel order on the db25 as well, which has made for some fun times. You might consider (if possible) patching through the B set of inputs (inconveniently connectored with RCA jacks) as a test, partly for your own sanity. I too have had special order DB25s come out wrong, so checking that would be a good idea too. The SPL works ok but they really made some odd design choices...
Last edited by philper; 05-15-2018 at 08:42 AM. |
#18
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Re: Mixed up 5.1 Outputs
Ok, so what I previously had setup in Hardware, was a stereo monitor, expecting the 5.1 source to be outs 3-8. I have since tried to set up a 5.1 monitor as main, (also tried 5.1 as Alt, and main 5.1 with an alt stereo) and now I cannot make an active 5.1 output. Any Path I try to make, with no overlaps is declared inactive.
Also, when I set up the 5.1 main out, my stere signal briefly came out of my Ls Rs speakers. My mind has been boggled into stew, I no longer have any idea on what to do. |
#19
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Re: Mixed up 5.1 Outputs
I have completely lost track of the hardware side of this conversation. But if your 5.1 paths can’t be made, you may have the wrong settings in your play back engine. On my system every once in a while ProTools thinks that I want to use one of my HDMI screens as a playback device.
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Nathaniel Reichman Producer/Re-recording Mixer - New York Nathaniel Reichman | IMDB | LinkedIn |
#20
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Re: Mixed up 5.1 Outputs
Hi all, been meaning to say thanks to all who have contributed to this thread so far. A quick update:
for those asking for clarity, it is the SPL SMC 5.1 controller, model 2489. It's DB25 pin diagram says its a standard TASCAM cable. I reset my I/O and Hardware settings and ran a signal test on each out - stereo though 5.1 and (something I somehow didn't think to check before) all the out metering on the Omni was correct, only the stereo was correct on the SPL. then I used the RCA inputs on the SPL to check all the speakers, where everything was correct. So my conclusion is that it is the Stupid DB25 cable I had made up that is wired incorrectly, even though I sent them both pin diagrams from Bothe the omni and SPL manuals, as well as the tascam pin diagram. I have to get another cable made up now to be sure (by someone else!) as I can't buy them off the shelf here, and would take months to order. Thanks again for all the help. I'll update if there are further issues. |
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