If your computer recently installed a Windows update, Windows likely discretely changed the Windows Audio Control Center sampling rate to 48Khz while the Band-in-a-Box audio sampling rate remained at 44.1Khz. There are at least two ways to verify the settings. Here's one.

One way to verify audio settings (See screen shot):
1) Ctrl+E opens BiaB Preferences
2) Select Audio button to open BiaB audio settings
3) Select Audio Drivers button to open the Windows Audio Drivers device audio settings. (Note this window is device specific so your window will look different from mine).
4) Compare audio settings.


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Jim Fogle - 2021 BiaB (845) RB (Build 9) Ultra+ PAK
Cakewalk - Zoom MRS-8 recorder
Desktop: i7 Win 10 build 2004, 12GB ram 256GB SSD, 4 TB HDD
Laptop: i3 64bit Win 10 build 21H1, 8GB ram 500GB HDD
Music at: http://fogle622.wix.com/fogle622-audio-home