Right-click the erroneous device and select "Uninstall device". Restart your computer.
[Audio Application] │ ▼ ┌────────────────────────────────────────┐ │ Stream Effect (SFX) APO │ <-- Channel management & downmixing └────────────────────────────────────────┘ │ ▼ ┌────────────────────────────────────────┐ │ Mode Effect (MFX) APO │ <-- Global EQ & System presets └────────────────────────────────────────┘ │ ▼ ┌────────────────────────────────────────┐ │ Endpoint Effect (EFX) APO │ <-- Everest APO Effect Driver └────────────────────────────────────────┘ │ ▼ [Hardware Audio Codec / Speakers] Key Variations Microsoft Update Catalog everest apo effect driver
This is a software component that sits within the Windows audio subsystem to process audio streams. everest apo effect driver
In the Microsoft Windows ecosystem, an Audio Processing Object (APO) provides host-based, real-time digital signal processing for Windows audio streams. Instead of executing complex acoustic adjustments directly inside the delicate kernel-level hardware driver, Windows loads APOs in user mode. everest apo effect driver
This is where Everest shines. The driver comes packed with "Effects" that cater to different listening styles: