GGWave is a really great tool and does support audible and inaudible versions.

We are using it in XRWorkout to automatically sync up ingame recordings with external recordings, we are using the audible version instead of the ultrasound version so a human can sync it up too if they are using a regular video editor instead of doing it automatically in our own tools

Here is an example how that sounds https://xrworkout.nyc3.digitaloceanspaces.com/data/video/036...