Sound Particles Doppler & Air Bundle — Free Download
A two-plugin bundle for audio post-production: Doppler simulates moving sound sources with pitch, level, and EQ shifts, while Air applies distance-based dampening and attenuation for realistic depth.

Doppler for Motion Simulation
Doppler emulates the physical behavior of sound sources moving through air, delivering natural-sounding pitch, level, and EQ changes as objects pass by. It shares its engine with Sound Particles’ larger ecosystem, used in professional film and game audio. The plugin lets you set the exact moment of the Doppler peak, aligning audio effects with on-screen movement for precise image sync.
You can choose from a range of microphone configurations, from mono to stereo, immersive formats, and Ambisonics, making it suitable for projects destined for various delivery systems. Unit preferences support both metric and imperial systems, and integration with control surfaces like Avid S6 enables hands-on parameter adjustment. This tool is ideal for sound designers creating whooshes, fly-bys, or vehicle passes where physical accuracy matters.
Air for Distance and Depth
Air addresses a different challenge: making any sound seem closer or farther away without re-recording. It applies scientifically measured air dampening and distance attenuation, going beyond a simple low-pass filter. You can control the volume falloff over distance and view the exact frequency response being applied, giving you transparency over the effect. This is useful for adding depth to sound effects or mixing elements.
Air includes presets for different atmospheric conditions, such as temperature and humidity from various global locations, and allows custom settings. It is particularly beneficial for ADR, helping dialogue match the spatial characteristics of the original scene. The plugin also supports world units and control surfaces, ensuring a consistent workflow within your existing setup.
Workflow and Integration
Both plugins share a focus on precision and ease of use. The ability to sync Doppler’s peak to a visual cue streamlines foley and sound effects editing, especially in film and video game production. For Air, the frequency response display and distance attenuation controls let you fine-tune the perceived location of a source, making it a practical tool for balancing a mix or creating a sense of space.
The bundle is designed to fit into professional audio post-production pipelines, supporting common plugin formats and control surfaces. The inclusion of world units avoids conversion errors, and the microphone selection in Doppler covers a broad range of recording techniques. Whether you are working on a film, a game, or a music mix, these plugins provide tools to enhance the spatial realism of your audio.
Practical Applications and Limitations
Doppler is best used when a sound source is moving, such as vehicles, animals, or objects passing through a scene. Air is suited for static sources where distance perception needs adjustment, like ADR or ambient elements. You can combine both for complex scenes, using Doppler for motion and Air for static distance layering.
Note that the plugins require a minimum of a dual-core CPU and 4GB of RAM, with more recommended for complex sessions. They are compatible with macOS and Windows, and the AAX format requires Pro Tools 11 or later. The bundle does not include a standalone application; it operates within a DAW or host that supports the listed plugin formats.
Key features
- Simulates moving sound sources with pitch, level, and EQ changes
- Applies scientifically measured air dampening for distance
- Supports mono, stereo, immersive, and Ambisonics microphones
- Allows custom time sync for Doppler peak
- Includes global location presets for environmental conditions
- Offers distance attenuation control and frequency response display
- Works with imperial and metric units
Best for
Ideal for sound designers, re-recording mixers, and ADR editors in film, TV, and game audio post-production who need to create realistic movement or distance effects without complex manual EQ. It is also useful for music producers seeking to add spatial depth to individual tracks.