Audible distortion on mixbus but not mix down

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b13audibles
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Audible distortion on mixbus but not mix down

Post by b13audibles »

Hi guys and girls!

I have this issue with my mixbus. Situation: I have an audiotrack and use the testgenerator on that track. It's a sine wave at -12db. If I crank this up to 0db, distortion becomes audible from around -2,5db up to 0db (no clipping on masterbus visible, no red marks, nothing to see using the multiscope, nor harmonics in the EQ). If I mix down a part of that and listen to that wav in my finder: no distortion, just a clean sine wave.

I've tried this with both my UR-RT4 as with the Build In Audio. Both the same. If I bring the sine wave to, for example, Audition, no distortion!

Anyone an idea?

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mr.roos
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Re: Audible distortion on mixbus but not mix down

Post by mr.roos »

I think your problem is relating to a question I just posted regarding the CR (Control Room) output. I'm not clear on why Cubase is this way, but you can actually set up the SAME two pairs of outputs going to both your 'Outputs' (in the Audio Connections window from the Studio tab in your Project) and your CR. What this does is parallel the same outputs - which increases the output level going to the monitors and causing distortion.. Understand?

Open the Control Room tab in the Audio Connections window and you will see that it has an 'Enable/Disable' button. If it's BLUE, then it is enabled. Click on it and it will turn gray and become disabled. I think this will resolve the distortion issue you are having.

Of course, you can remove the Output connections here, too, and this will do the same thing. HOWEVER, if you do this you will not be able to audition items that you bring into your Project - AND - should you perform an Audio Mixdown in Real-Time, you will not be able to hear it. Both of these functions are supported by the CR output. Which is to say, as far as I know, if you want these two features then you will have to set up your parallel Outputs and remember to ENABLE the CR before you do either process (audition music outside of your Project that you might import, or perform a Real-Time export of your mix), but then don't forget to DISABLE the CR afterwards.
Cubase 11 Pro from SX3, WaveLab Pro 10, Groove Agent 5, iC Pro remote app, Win10 64-bit (2004 update installed - latest OS build always), Intel i7 8700 Coffee Lake 6-Core 3.2GHz, 32G DDR4 3200, Gigabyte Z390 Designare MB, Radeon RX570 Graphics card, Mackie 1640i (FireWire via TI chipset PCI-E card), 1K iRig Pads, StudioLogic Numa Compact 2X 88-Key, and Roland FP-30.

b13audibles
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Re: Audible distortion on mixbus but not mix down

Post by b13audibles »

Cheers! That's it! A bit *flower* it is... So much for real time exports... Thanks!

b13audibles
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Re: Audible distortion on mixbus but not mix down

Post by b13audibles »

So, it's even a little different. Somehow the volume of my CR was set at 2,64db. I set it to 0db and all distortion is gone! Now I can do realtime exports without distortion! Cheers again!

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mr.roos
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Re: Audible distortion on mixbus but not mix down

Post by mr.roos »

Nice. Make some music!
Cubase 11 Pro from SX3, WaveLab Pro 10, Groove Agent 5, iC Pro remote app, Win10 64-bit (2004 update installed - latest OS build always), Intel i7 8700 Coffee Lake 6-Core 3.2GHz, 32G DDR4 3200, Gigabyte Z390 Designare MB, Radeon RX570 Graphics card, Mackie 1640i (FireWire via TI chipset PCI-E card), 1K iRig Pads, StudioLogic Numa Compact 2X 88-Key, and Roland FP-30.

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