To begin with, in order for this to work properly, and to avoid any potential sync issue, the playback engine buffer size must be set to 1024 samples in both Protools and in Spat Revolution.
- In Protools, go to Setup/Playback Engine, and set the H/W Buffer Size to 1024 samples
- In Spat Revolution, go to Preferences/Hardware IO, and set :
- Device : None
- External Sampling Rate : Enabled
- Block Size: 1024
Please note that you may have to close/restart Spat Revolution to make sure that everything is saved and properly applied.
Session setup and routing
Before starting, please read this article
first explaining good practices for DAW routing in order to avoid sync issues with Spat Revolution.
- Setup a Protools session to work with Spat Revolution, using the Local Audio Path mode, is pretty simple. Just add Send and Return plugin, click on 'configure' button, then enable the 'Local Audio Path' option for each.
Send and Return plugins instances are now automatically showing up in the Spat Revolution Setup page
Select all the objects, and click on the 'Connect Selected' button
Now the audio should return back back to Pro Tools again,
Here is a basic Protools project with 8 audio 'send' tracks and 2 stereo 'return' track:
Please note the use of a 'Dummy' bus track, to make the audio tracks easier to setup. Just route your audio tracks to the 'Dummy' bus using aux send, and insert a 'send' plugin with local audio path option enabled.
This 'dummy' bus track has 2 aux sends to route the signal to both the 'return' tracks.
Simply put the audio file in the send tracks and connect the input and outputs objects in Spat Revolution.
To use automation, you need to activate the parameters for each plugin instance first:
You can save time and avoid doing this, by enabling this option in Protools. When inserting a plugin, all its parameters will then be available for automation: