Use the Space Designer Sampled IR mode in Final Cut Pro for Mac
In Sampled IR mode, Space Designer loads and uses an impulse response recording of an acoustic environment. This is convolved with the incoming audio signal to place it in the acoustic space provided by the impulse response.
![The Sampled IR button, and controls in the display mode bar below.](https://help.apple.com/assets/62671FD031A3FC08F2607E4E/62671FD331A3FC08F2607E5D/en_US/6a1d35cecfac518fecb0eee6ce2e138f.png)
Use Sampled IR mode
In the Final Cut Pro timeline, select a clip with the Space Designer effect applied, then open the effect’s settings in the Audio inspector.
To add the effect and show its controls, see Add Logic effects to clips in Final Cut Pro for Mac.
Click the Sampled IR button above the main display.
When you first click the Sampled IR button, you’re prompted to choose an impulse response file.
Choose an impulse response file from any folder.
Manage the loaded IR file
In the Final Cut Pro timeline, select a clip with the Space Designer effect applied, then open the effect’s settings in the Audio inspector.
To add the effect and show its controls, see Add Logic effects to clips in Final Cut Pro for Mac.
Click the IR Sample pop-up menu, then choose one of the following commands:
Load IR: Loads an impulse response sample without changing the envelopes.
Load IR & Init (Initialize): Loads an impulse response sample and initializes the envelopes.
Show in Finder: Opens a Finder window that shows the location of the currently loaded IR file.
Open IR Utility: Opens the Impulse Response Utility window. This application lets you create your own impulse response files.
All impulse responses that ship with Final Cut Pro are installed in the /Library/Audio/Impulse Responses/Apple folder. Deconvolution files have the filename extension .sdir.
Any mono, stereo, AIFF, SDII, or WAV file can be used as an IR. In addition, surround formats up to 7.1, discrete audio files, and B-format audio files that comprise a single surround IR can also be used.
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