“tying to learn to ignore it” is a Sisyphean task: too hard to do and will only create frustration.
I’ve had pulsatile tinnitus for many years. It’s a whooshing sound synchronous with one’s heart. Whooshers.com helped rule out medical and/or fixable problems.…also used CBT and even found a use for pulsatile tinnitus:
to monitor heart rate when exercising….didn’t think I could live with it; now it’s like breathing - something I barely notice most of the time.