Q: phone changes pitch of every audio
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Feb 19, 2016 9:37 AMby norm123,Hey temu fajita,
I understand that you are having some strange effects with sound pitch on your iPhone. Let's see if we can figure out what is going on.
Now for issues similar to this, the best thing to do is to restore your iPhone. I would make a back up of your data by using iTunes or iCloud as well as transferring your information to your computer. Once that is done, you can restore your iPhone with iTunes and then set it up as new. Then start transferring information back on to your iPhone to see if that makes any changes to the sound pitch. Take a look at the article below for more specific details on how to do this.
How to erase your iOS device and then set it up as a new device or restore it from backups
https://support.apple.com/en-us/HT204686
Take it easy
