Blend multi-voice chorus

FORMAT: Audio Unit plugin for macOS 10.6.8+

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Blend is a multi-voice chorus comprised of up to 16 separate layers. Each of them actually is a chorus effect on its own – complete with a dedicated modulation generator and a feedback loop. Even with all 16 layers activated, the resulting mix is dense yet always silky smooth and musical – thanks to clever proportional phase offsets. Blend also has three different interpolation algorithms, each giving it a slightly different sound character. And as much as it excels at creating delicious chorus and ensemble effects of many, many styles, Blend’s unusual flexibility allows it to easily go into much further territory - so effects like vibrato, tape wow, flanger, dissonance – even reverb – are just a few tweaks away.


As always with a Sinevibes product, Blend has a carefully crafted, clean and intuitive user interface. It features color-coded graphics for consistency with other plugins in our collection and well-calibrated contrast for optimal visibility in most lighting conditions. The interface supports retina resolution and also uses GPU-accelerated rendering, never impairing audio processing.

When tested against our other chorus plug-ins, Blend has a clarity that the others lack [...] A surprisingly versatile and good-sounding effect. – MusicTech Magazine, 2018


  • 16 chorus layers each with an individual feedback loop.
  • Three selectable interpolation algorithms: vintage, character, modern.
  • 16 sine wave modulation generators, one per chorus layer, with proportional phase offsets.
  • Variable stereo width and low frequency cut.


  • Color-coded graphics with subtle animations.
  • Fully hardware-accelerated rendering with support for retina screen resolution.


  • Works with any application that supports Audio Unit effect plugins.
  • Supports OS X 10.6 or later running on 32 or 64 bit Intel Macs.
Update 1.0.1
– Multiple performance optimizations.
– Smoother transitions during voice number changes.
– Feedback tail is now cleared when the plugin is reset by the host.
– Fixed rare initialization and validation issues happening on some systems.
– Updated default parameter settings for a more balanced sound.
– Added new factory presets.
Four presets on analog pad from Korg Prologue synthesizer
Four presets on Gibson Les Paul electric guitar strums
Three presets on poly synth from Korg ARP Odyssey plugin
Three presets on a raw sawtooth waveform