AS-BusComp
AS-BusComp is an Audio Unit (AU) plugin for audio bus compression in macOS-based digital audio workstations and audio editing applications. It provides dynamic range control and compression processing for mixing and mastering workflows, and is used within compatible host applications such as Logic Pro, GarageBand, Final Cut Pro, and other AU-compatible audio software. As a plugin component, it integrates directly into the host application's mixing engine rather than operating as a standalone tool.
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1 suggestionAS-BusComp is an audio plugin component, not a standalone application, so it cannot be updated independently through the App Store or a generic vendor download. The plugin is updated only when you update its host application — the DAW or audio editor in which you use it (typically Logic Pro, GarageBand, Final Cut Pro, or another AU-compatible host). Check whether As-Buscomp has released a newer native Apple Silicon build of this plugin through their own website or installer. If the plugin vendor provides a separate installer or update tool, use that to fetch the latest version. Otherwise, ensure your host application is fully updated to its latest version, as this is what pulls in updated AU plugins. Given the late-2027 deadline when Apple removes Rosetta 2 from macOS 28, if you cannot confirm that As-Buscomp has shipped a native Apple Silicon build of this plugin, contact the vendor directly to ask about native support before that release date arrives.
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