Setup for Latency Fixer:
Latency Free Recorder doesn’t need any additional setup. However, if you need to use the other device, Latency Fixer, there’s a simple thing you need to do first to ensure accurate latency compensation:
You need to inform Latency Fixer about your overall round-trip latency. (All other things, like the latency of the plug-ins in your project, are calculated automatically by the device.)
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Open Ableton Live’s Preferences and navigate to the Audio tab.
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Locate the overall round-trip latency value.

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Note that Live might display a rounded number by default, but you can find a more precise value by setting the Driver Error Compensation to the same value as your overall latency (with the same negative number):

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Add the rounded latency value and the decimal value together.
(In this case, 100 + 0.41 = 100.41) -
SET YOUR ERROR COMPENSATION BACK TO ZERO!
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Type the sum into Latency Fixer.

Of course, if you change your sample rate or buffer size, you’ll need to repeat this process.
If you change these values frequently, I’d advise saving a few presets of the device into your User Library with the different settings you like to use.
There is a setting in Ableton Live called “Reduce latency when monitoring.” If you like to use it, make sure you open the Advanced menu of Latency Fixer and enable this option in the device as well!
And if you don’t use it, turn this option off in the device.
