Thanks nikfreak and others for showing audio levels working OK.
I have uninstalled and reinstalled ML and now my audio is perfect. I have no idea why a mismatch was happening with my original installation several days ago. I can not even replicate the mismatch as no matter what I do audio levels work perfectly now.
I have uninstalled and reinstalled ML and now my audio is perfect. I have no idea why a mismatch was happening with my original installation several days ago. I can not even replicate the mismatch as no matter what I do audio levels work perfectly now.