Why does my Galaxy Note 4 have a hissing type of background noise?

[AC Question]

Galaxy Note 4 hissing type of background noise

Hi,
Yesterday and today I've been told that they can hear background noise on my end even though there isnt any and the background noise reduction feature is also turned on. Anyone know what the solution may be?

 

[B. Diddy]

Re: Galaxy Note 4 hissing type of background noise

Welcome to Android Central! How loud is it? It's probably related to your carrier's network.