DeskFxVirtualAudioDevice
Universal version latest seen at v7.03 · Reported by 6 Macs in the community.
Sighting data is community-sourced — version availability and pricing should be verified with the developer.
DeskFxVirtualAudioDevice is a CoreAudio HAL driver from NCH Software that creates a virtual audio device within macOS, allowing audio to be routed, mixed, and processed by other applications. It is typically used as a component of DeskFx or similar NCH audio utilities to enable virtual audio interfaces for recording, streaming, podcasting, and multi-application audio mixing. A native Apple Silicon build has been confirmed running on Macs in the Rosetta Check community.
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1 suggestionDeskFxVirtualAudioDevice is a system audio driver component, not a standalone application — it is installed and updated as part of NCH Software's audio products (such as DeskFx). To get the native Apple Silicon build of this driver, update the parent DeskFx application or whichever NCH audio utility installed it. Visit NCH Software's website or check within the host application for an update mechanism. Once you update the parent application to its native version, the virtual audio driver will be updated to its native build automatically. If you are unsure which NCH product hosts this driver on your Mac, open System Settings → Sound and look for any DeskFx or NCH-branded device entries, then update that product through NCH's website or its built-in updater.
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