SplineEQ
SplineEQ is an audio unit (AU) plugin developed by Photosounder that provides parametric equalization for use within compatible macOS audio applications such as DAWs, audio editors, and host software that supports AU plugins. The plugin allows users to shape audio frequency response using spline-based curve editing, a technique that provides smooth, intuitive control over multiple frequency bands simultaneously. SplineEQ is used by music producers, sound engineers, and audio editors working in applications like Logic Pro, GarageBand, Reaper, and other AU-compatible hosts.
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1 suggestionSplineEQ is an audio plugin component, not a standalone application, so it cannot be updated through the App Store or a generic product download. Instead, you need to update it through Photosounder's own installer or update mechanism. Visit the Photosounder website to download the latest version of SplineEQ, run the installer, and it will replace the Intel version with a new build. After installation, restart your audio host application (Logic Pro, GarageBand, Reaper, etc.) and the host should automatically discover and load the updated plugin. If Photosounder provides a native Apple Silicon build, this process will install it; if a native version is not yet available, you should contact Photosounder directly to ask about their plans for native support before macOS 28 ships in late 2027, as Intel-only AU plugins will stop loading on that release.
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