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RME User Forum → FireWire & USB series → Fx distortion
Today I was exploring the Fx section in Total mix using my new UFX ii.
In low reverb levels I hear distortion.Also its very clear when turning of the fader and have only the reverb present.
The same happens with a Ucx ii I have for testing
Please try the new driver 4.16
Totalmix 1.97b1
Still on Mojave so its not possible.....
Which driver exactly did you install?
The only thing you can update is Totalmix, you can download it directly and replace the old one in the Application folder by drag and drop.
https://www.rme-audio.de/downloads/tmfx_mac_197b1.zip
But I think it will not help you out with the distorted reverb, there is a chance the internal DSP is broken and the unit needs repair.
Try the new Totalmix, who knows...
But I think it will not help you out with the distorted reverb, there is a chance the internal DSP is broken and the unit needs repair.
Geez its a brand new unit....after all UCX ii behaves the same
Did you try a total reset in Totalmix ?
The Echo effect has no distortion ?
just tried to reset total mix without room eq.....nothing has changed and delay is totally clean
Is it possible to provide a MP3 with this distorted reverb ?
If you record a sequence Loopback from Totalmix ?
Or can you describe it more ?
Is it only a little distortion in the upper frequencies of the reverb tail or is it crackling all the way thru ?
I am trying to record it without repatching but I can't...is there a quick way to describe how to do it using loopback?
One of the hardware outputs has the signal with reverb. You rout it there.
Open the channel with the wrench tool.
Click the Loopback button.
In the DAW record the input channel.
Output channel 1/2 provides the Loopback signal to input channel 1/2 in the DAW.
And so on, always on the corresponding same number from output to input channel in the DAW.
Thank you!!
As you ll hear when there is only reverb present, distortion is more obvious when I lower the reverb level.
Can't play the file the upload failed, please try again
It plays just fine here but please try this one
Space is the only reverb algorithm that doesn't distort
Now they play fine, the first one was probably a fail of the webpage.
I did listen with the headphones and I'm very Sorry I can't hear a distortion.
The reverb comes up and the dry signal gets back leaving a lot reverb upfront but it sounds fine to me.
Thats pretty weird I do hear a lot of distortion......
This is normal. At very low levels the resolution of the FX rendering is no longer high enough and leaves some grunge or crumble effect on fade out. But this is only audible when levels are set totally wrong (much too low on the input side), which you perfectly demonstrated in that wav. The harsh distortion on the clean 'she' and s sounds are much more worrying...
The harsh distortion on the clean 'she' and s sounds are much more worrying...
That could be the recording.....but you do hear distortion right???
Its strange that the space algo doesn't distort
No, that is by design. And you simply use it wrong: give the FX input high level, then adjust the amount of needed reverb at the output (!), either in the FX section or the Aux return in the output channels. Then you will no longer hear this effect.
Like this?
The FX has its own level meters where you can check if the input level is ok, too low, or too high. But yes, typically FX Send is set much higher than FX Return.
The FX has its own level meters where you can check if the input level is ok, too low, or too high. But yes, typically FX Send is set much higher than FX Return.
Is there an explanation why echo is clean without distortion?
Probably because reverb is way, way more complex effect comparing to echo.
Obviously.
Probably because reverb is way, way more complex effect comparing to echo.
What about space reverb algorithm...that doesn't distort at all....
Again just guessing.... Maybe it uses just many delays and other reverbs use different approach - convolution - which requires a lot of computing.
I guess, the main thing is that you know how to set signal path in TM so that reverb sounds fine, now.
Yes I do know .. it's just for testing purposes.In the analog world never had issues when using low level sent signal. ....but in this case signal level is critical
You do not have analog reverb in analog, put aside physical spring/plate devices.....
Even in analog world one prefers processing strong signal to processing weak signal to have better signal to noise ratio. Using very weak signal in digital is something like using in reality, for example, 8 bits quantization instead of 32 bits as most of those 32 bits are for weak signal "zerros". Resulting calculations then are what they are. Garbage in, garbage out.
You do not have analog reverb in analog, put aside physical spring/plate devices......
I was trying to say that in analog world, reverbs that you are patching on a analog mixer even if they are digital like Lexicon devices you don't have those problems but the explanation you wrote explains the distortion in TM
OK, but question is if those Lexicon chips get weak or strong signal in mixer. And also they may internally work with higher precision, or they are based on multiple delays (which works in TM fine even for weak signals) and not FFT....
It seems to me that you sent by error/misunderstanding atenuated signal to FX (reverb) and than amlified it too much afterwards. Instead of sending strong signal to FX and atenuating it later, if needed...
RME User Forum → FireWire & USB series → Fx distortion
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