This package contains the driver that enables the IDT High-Definition (HD) Audio (Beats Audio) in HP ENVY notebook models (Also works for other models supporting beats audio with windows 10) that are running a windows 8 or windows 10 operating system.
Sometimes the Beats Audio control panel disappears when you upgraded from Windows 8.1 to Windows 10. The volume begins to diminish, even when it turned up to 100% in Windows Media Player, Youtube, or any other external application.
In this case the only option for you is to reinsall beats audio driver.
For other models : Download