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How to Utilize and manipulate sound dynamics on your songs in GarageBand

Graph displaying input and output levels of a sound measurement.

It's called the AUDynamicProcessor, and it's very helpful when it comes to mastering your songs in GarageBand. In this video tutorial, you'll learn how to utilize and manipulate the sound dynamics of your songs in GarageBand using the AUDynamicProcessor filter, which effects the high and low ends of audio.

The AU Dynamic Processor is basically a compressor / limiter that affects the dynamic range of sound frequencies. This is great for drums or tweaking vocals, if you're looking for a different kind of resonant sound. Also in this video, learn how to set the threshold ratio, attack time, release time and headroom to optimize the sound of your music projects.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.