mmhmmAudio
mmhmmAudio is a CoreAudio HAL (Hardware Abstraction Layer) driver from All-Turtles that enables virtual audio device creation and routing for macOS. It is a system-level component that integrates with macOS's Core Audio infrastructure, allowing applications like the mmhmm presentation software to create, manage and manipulate audio input and output devices at the system level. This driver sits in the audio stack and is not updated separately from its host application.
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1 suggestionmmhmmAudio is a CoreAudio HAL driver — a system-level component that cannot be updated on its own. If you use mmhmm (All-Turtles' presentation and screen-sharing software), the correct way to update this driver is to update the mmhmm application itself through All-Turtles' official distribution channel. Visit mmhmm.app and download the latest version of mmhmm for macOS, or if you installed it via the Mac App Store, update it through the App Store instead. When you update mmhmm, the CoreAudio driver component updates automatically as part of that installation. Confirm that your copy of mmhmm has a native Apple Silicon build before macOS 28 ships in September 2028 — if it does not, the halDriver will remain Intel-only and stop functioning on that release.
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