by Tommaso Malaisi·Audio
Images © Tommaso Malaisi. Used for product review; image policy.
A focused real-time audio-to-Geometry-Nodes extension for Blender, bundled with the SP1 assets pack and backed by documentation and a demo video.
Audio2Blender Extension samples audio sources in real time and feeds Geometry Nodes with usable values, all inside Blender. It can sample a microphone or any external sound device and return float values for animation and simulation in two modes: Volume or FFT (Linear + Logarithmic). In Volume mode you get a single float value; in FFT mode you get a series of values based on the number of bands within a specified frequency range.
The package bundles SP1 (Starter Pack 1), an assets pack that simplifies sampling, triggering, and animating real-time audio values in Geometry Nodes with the extension. With these values driving Geometry Nodes, you can build sound-reactive content including real-time visuals, games, art installations, and more.
Audio2Blender is designed for real-time interaction and does not include a built-in way to record data values, nor can it separate audio into individual instrument stems. The Jellyfish, Sound Reactive Bird, and Ferrofluid projects are not included. Documentation is provided, and a demo video is available. The extension uses the Eevee render engine and is released under the GPL license.
Audio2Blender Extension + Sp1 is best for blender artists building sound-reactive content such as real-time visuals, games, and art installations driven by live audio through Geometry Nodes.
Audio2Blender Extension + Sp1 is completely free to download and use.
Audio2Blender Extension + SP1 is compatible with Blender versions 4.2 through 5.0, and it is listed as Blender Extension compatible as an add-on type. A new version for 5.1 is noted as coming soon. It uses the Eevee render engine. If you run a version outside this range, check the developer's page for the latest compatibility details before installing to make sure your setup matches the supported releases.
Audio2Blender Extension is designed for real-time interaction and does not include a built-in way to record data values. It also cannot separate audio into individual instrument stems. It samples a microphone or any external sound device live and feeds Geometry Nodes with float values in Volume or FFT mode. If your workflow depends on recording sampled data or isolating stems, keep these limits in mind before relying on the extension for those tasks.
Audio2Blender Extension includes a note for Mac users to open Terminal and run the Blender application through its executable path inside the Blender.app package. This launch step is specific to macOS setups. Documentation is provided with the product, so consult it and the developer's page for the full installation and usage steps, since the terminal command is called out specifically for Mac users working with the extension.
Audio2Blender Extension + SP1 is listed as free in this catalog and is released under the GPL license. For current licensing terms and any purchase details, check the developer's page directly, as terms can change over time. Note that the Jellyfish, Sound Reactive Bird, and Ferrofluid projects are not included in the package, so factor that in when reviewing what ships with the extension and its SP1 assets pack.
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