Hi Wendy,
I've had tinnitus for many years, a throwback to the nerve deafness I picked up from 14 years as a miner. I can get it quite bad, usually when I am very tired or run down although, for the most part, I can block it out and send it into the background where it becomes an almost non-existent irritant.
Saying that I have noticed it coming stronger when I am on treatment – during my CDT, SCT and now with Velcade, accompanied with your crackling and popping for good measure… white noise with occasional drum rolls and high-hat cymbal crashes.:-/
Its not pleasant and it is not funny… but like everything else that isn't actually physical pain, you do eventually find coping mechanisms to push it back, if not exactly completely block it out.
I hope this state of blissful ignorance starts for you soon. 🙂
Dai.