When to use the Auto-Compensate Latency option in Logic Pro X

Use the Auto-Compensate Latency option in External Instrument to keep audio from an external MIDI device aligned in your project.

In Logic Pro X 10.2.3, the External Instrument plug-in includes an Auto-Compensate Latency option. When this option is selected, External Instrument delays the MIDI data sent to an external MIDI device. This delay keeps the audio output of the external MIDI device aligned with the other tracks in your project.

Use these guidelines when setting Auto-Compensate Latency to make sure your audio is aligned.

Routing audio to the External Instrument input

When you route the audio output of the external MIDI device to the input of External Instrument using the Input pop-up menu, Auto-Compensate Latency is always on and can't be manually disabled.

Routing audio to an outboard mixer

When you route the audio output of the external MIDI device to an outboard device like a mixer, make sure to select the Auto-Compensate Latency option if no input is assigned to External Instrument.

Routing audio to a Logic Pro aux channel

When you route the audio output of the external MIDI device to a separate Logic Pro aux channel, deselect the Auto-Compensate Latency option. Make sure no input is assigned to External Instrument. The aux channel automatically compensates for any latency, so External Instrument doesn't need to provide additional latency compensation.

 

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