by Inlet·Audio
Images © Inlet. Used for product review; image policy.
Stands out in the superhive library because it splits Blender's speaker into three purpose-built tools — world ambience, motion-driven sound and frame-synced animation audio.
Speaker Overhaul - Automated Sound Design is an addon that expands Blender's speaker into a set of tools for sound design and animation. It's organised into three sections, each covering a different way sound enters a scene.
The Master Speaker handles scene ambience — urban chatter, wind moving through a forest's crowns, or frogs around a pond — and can play as many variations or sound effects as you like at different locations, frames, pitches and volumes. Motion Speakers are triggered by an object's motion along its X, Y and Z axes, self-correcting speed and pitch as the object moves; from that you can simulate engine startups or speed changes for wind, water, or a passing car, plane or train. The Animation Speaker binds sounds to specific animation frames, so footsteps, cloth rustle or water splashes fire on the frames you choose and react to changes in animation speed.
Version 1.2 added presets for the different audio types, saved to the addon for reuse across Blender projects. It runs on Blender 2.93 through 5.0 under the GPL license.
Speaker Overhaul - Automated Sound Design is best for blender users adding world ambience, motion-driven sound and animation-synced audio to their scenes.
Speaker Overhaul - Automated Sound Design is completely free to download and use.
Speaker Overhaul - Automated Sound Design runs in Blender versions 2.93 through 5.0 and is released under the GPL license. That range covers a wide span of Blender releases, so the addon can fit into both older and current projects. The Animation Speaker script is used in the NLA section of Blender, and presets added to the addon become available in any Blender project once they're set up. For the latest licensing details, check the developer's page.
Speaker Overhaul's Motion Speaker is triggered by the motion of an object on its X, Y and Z axes, across all types of locations. As the object moves, the speaker self-corrects speed and pitch in a timely manner, so you can attach a sound to something like a box being dragged. Based on that motion, it can simulate engine startups or an increase in speed for wind, water, or an object passing by such as a car, plane or train.
Speaker Overhaul - Automated Sound Design reached version 1.2, which introduced presets across the different audio types and the shared defaults; these presets are saved to the addon so they're available in any Blender project once added. The update also fixed a crash caused by setting the audio sample duration to zero while looping, by preventing a zero value from being set. It removed the ability to animate attenuation and distance, which had been left in by mistake and never actually affected the audio.
Speaker Overhaul - Automated Sound Design is listed as free in this catalog, so there's no cost to add it from here. Licensing terms can change over time, and the addon itself is distributed under the GPL license. For the most current pricing and licensing details, along with the individual speaker scripts the developer offers, visit Inlet's page directly rather than relying on a figure quoted elsewhere.
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