I used to have a DSP Protools setup, and used the TDM amp sim plugins and FX, it felt fine for many years
Moving to non-native, with a Focusrite Scarlett 18i20 interface, I found the latency noticeable. I stopped using it really, and started just recording the Fx'd output of the Axefx
Experimenting yesterday, the round-trip latency was about 12msec with 128 samples in the buffer
Some of the stuff I tried sounded OK. How much does each amp sim add to that?
What does everyone else do, and what tips can anyone give me?
I have the main amp sims
Guitar Rig 5
GTR 3.5
AMplitube 5
Eleven MkII
I was trying a demo of Helix Native
Comments
64 spls: In + Out = 1.4 + 4.0 = 5.4 ms RTL
96spls: In + Out = 2.1 + 4.7 = 6.8 ms RTL
128spls: In + Out = 2.9 + 5.4 = 8.3 ms RTL
I usually just set it to 64 spls and forget about it, because I haven't noticed any issues..
I can set it to 128spls and haven't noticed any obvious issues provided I'm wearing headphones. This is a bit subjective but at 128 spls I start to sense that things feel a bit off if I'm not wearing headphones, which I put down to the extra latency caused by the distance between my ears and my monitors. However, I can get used to it.
I'm not sure what extra latency is given by an ampsim itself. You could try a loop-back test including the ampsim using the Oblique Audio RTL utility. However, the ampsim might distort the test pulse and cause errors in the reading.
With Pro Tools HDX I get 0.9ms latency at 96k.
When monitoring the MTRX off hardware then I think it is 1-3 samples.
Or if I am using a native system then I monitor the guitar amp or Axe FX off hardware and the latency is down to a handful of samples.
Running through the buffer is almost always unacceptably bad for me.
Ideally you want it down to 3-5ms.
I can definitely feel 10ms.
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Football is rubbish.
Monitoring at lower volume can help a little as you will then be hearing more of the attack of the strings rather than the monitoring.
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