Whirl is a barber-pole phaser effect plugin. It is based on a Bode frequency shifter model with a feedback line, an algorithm which creates unique spectrum peaks and notches that move upwards or downwards in a seemingly endless fashion – with one spectrum sweep smoothly morphing into the next one, like an audible illusion.
Whirl features up to three fully synchronized barber-pole phaser stages: this allows you to control how gentle or dramatic the effect is. At its most extreme settings, Whirl is capable of deeply resonant filtering: it almost individually suppresses and accentuates different frequency harmonics. By design, the spectrum sweep frequency is bipolar - and can go from downwards to upwards motion and back completely seamlessly.
SOUND ENGINE
Barber-pole phaser based on Bode frequency shifter, with up to three sequential stages and progressive feedback
Frequency can be set in Hz or as host tempo fraction with precise transport location sync
Variable bipolar stereo phase offset
Lag filters on all continuous parameters for smooth, click-free adjustment
Supports mono › mono, mono › stereo, and stereo › stereo channel configurations
GRAPHIC INTERFACE
Color-coded graphic elements
Consistent name, mapping, value, and unit implemented for all parameters in both graphic user interface and host control/automation
Built-in preset management functions
Supports window size scaling up to 200%
SUPPORTED FORMATS
AAX + AU + VST3 for macOS 10.9 or later (64-bit Intel and Apple Silicon)
AAX + VST3 for Windows 8.1 or later (64-bit Intel)
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