There are several of these kinds of mindful/imagination techniques. https://rewiringtinnitus.com/ https://rewiringtinnitus.com/ also provides some in book and

There are several of these kinds of mindful/imagination techniques. https://rewiringtinnitus.com/ https://rewiringtinnitus.com/ also provides some in book and audio form, where you visualize your tinnitus as a knob you can turn or a person making the noise. Doesn't really work for me though, though sometimes it does seem like I can "tune" my tinnitus a bit.