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It lets you create up to 32 band-pass filters, learn resonances directly from incoming audio, and reshape sounds into resonators, drones, weird rooms or even synth-like textures. I also added note and harmonic overlays, stereo detune, noise input, MIDI pitch tracking and a few workflow tricks that make it fun to experiment with.

It’s completely free, there’s no account, no activation and no telemetry. Download link is in the description below. Let me know what you think, what breaks, and what features you want next.Download: https://polarity.productions/polarity-res/

Quick Answer

Polarity-RES is a free cross-platform resonator audio effect plugin for Windows, macOS, and Linux, available in VST3, CLAP, and AU formats; it creates up to 32 band-pass resonator bands from audio or noise.

The main use is turning any input into a resonant filter bank: click on the graph to add band-pass filters, right-click to remove them, and blend dry/wet to use it as anything from a subtle tone shaper to a strong resonator.

A standout feature is Learn/Hold analysis: freeze the input spectrum, detect prominent peaks, and auto-build resonator bands from them to copy harmonic content from drums, percussion, or tonal sounds.

It includes frequency offset, spread, stereo detune, steepness, resonance, noise input, output gain, and gain matching, so it can act as a drone/pad generator, dense room-style effect, reverb-like texture tool, or harmonic sound designer.

Two overlays make tuning easier: note/scale overlay snaps bands to notes in a chosen key, while harmonics overlay snaps to the overtone series from a fundamental; with MIDI pitch tracking, the whole resonator can be transposed like a monophonic synth-style effect.

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My New Free Plugin Turns Noise Into Music

In this video I’m introducing **Polarity-RES**, my new free resonator plugin for Windows, macOS and Linux. It lets you create up to 32 band-pass filters, learn resonances directly from incoming audio, and reshape sounds into resonators, drones, weird rooms or even synth-like textures. I also added note and harmonic overlays, stereo detune, noise input, MIDI pitch tracking and a few workflow tricks that make it fun to experiment with. It’s completely free, there’s no account, no activation and no telemetry. Download link is in the description below. Let me know what you think, what breaks, and what features you want next. 👉 Free Download: https://polarity.me/go.php?c=polarity-res 0:00 Intro and what Polarity-RES is 0:18 Free download and supported platforms 0:43 Basic idea: creating band-pass filters by clicking in the graph 1:39 Learning resonances from incoming audio 2:23 Using learned resonances with a drum loop 2:44 Frequency offset and spread controls 3:21 Stereo detune 3:46 Steepness and resonance controls 4:29 Using the built-in noise source 5:01 Dry/wet mix, output gain and match button 5:42 Using Polarity-RES like a dense room or resonator effect 6:34 Creating drone sounds with note overlay 7:28 Root-only and root/fifth note snapping 8:44 Shift and Alt drag workflow tips 9:46 Building ambient-style drone textures 10:14 Harmonics overlay and overtone snapping 11:15 MIDI pitch tracking and centering the root note 12:39 Ideas for future updates 13:10 More resonator and bass/drum sound experiments 15:23 Using it with Bitwig Grid noise as a synth-like source 16:29 Harmonics mode with noise input 17:12 Final thoughts, bug reports and feature requests Video transcribed, summarized and Q&A on my Blog (no ads): https://polarity.me/posts/polarity-music/2026-05-13-polarity-minus-res-free-resonator-plugin-guide/ -- 💕 Support me on Patreon: https://bit.ly/3PgbxZz 💰 donate via Paypal: https://bit.ly/3cae9t8 🎧 my Music: https://polarity.bandcamp.com/ 💾 my Tools: https://polarity.me/posts/articles/2024-08-04-polarity-tools/ 💻 my Gear: https://kit.co/polarity/polarity-music-kit 👉 Discord: https://discord.gg/eWwFBww 👉 Website: https://polarity.me -- 🛒 Buy/Upgrade Bitwig Studio & Support me https://bit.ly/3yQEyDU 🛒 VST/AU Plugin Deals https://bit.ly/3zcvo66