White noise after splitting my video in to clips in Premiere Rush

I was wondering if someone could help me with audio issues. The sound in my video is good before I split it into clips, after splitting the white noise becomes really loud and ugly in the "new" clip. And this continues with the whole video along the way when I split it into clips. First it is fine and then it goes all noisy and loud.  I have used the reduce background noise option but I don't think it does that much. I did read that someone had a similar issue when editing with the app and someone advised them to do a audio transition. After some research I guess "cross dissolve" should also dissolve the audio but I did not see any difference in my issue with the white noise when applying the transition. Would anyone have any suggestions on what to do about this? Thanks.