Just wanted to chime in, as this happened to me and I was able to get to the bottom of it relatively quickly.
I was hearing the crackling noise in my left ear for about 3 days, figuring it was due to a cold I just got over.
I have very dry skin in my ears and do not produce enough wax, so every week I put sweet oil in and spread it through the very outer part of the canal with a cotton swab. Sure enough, this time when I pulled out the cotton swab from my left ear, a 3cm-long hair came out, and the crinkling noise was gone. I would say the ear-wiggling technique likely works for people due to either temporarily or permanently dislodging whatever foreign object is rubbing against the ear drum, as it also worked for me for a bit.
I poured peroxide into my ear for about 2 minutes and let it bubble. Then I dried my ear with a Qtip. The noise was gone the next day and hasn't returned.
Just tried the head tilt and finger wiggle and it worked. Amazing! I noticed the cracking and crunching sounds the other day and have been looking for clue. Read your suggestion and now it's gone.
Haha, astonishingly insightful comment :)
well i will have to say, it worked for me as well. had the crinkling sound for awhile went away but had recently came back. did sleekgeeks suggestion..to my surprise..gone!! for how long, that will be the test :)
Thanks again.
I'm 17 and I have the same crackling sound in the right ear. My hearing is also what I can best describe as foggy, and it's giving me headaches. Sometimes I get dizzy too. I don't have any hobbies or jobs that require pressure change. The only activity I do that I can imagine having a negative impact on my ear is listening to loud live music. I clean my ears daily so I know it's not wax build up. I am going to see my doctor ASAP but she is on vacation at the moment.