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Tune & stack vocals in no time
Altitude Harmony tunes your vocals and stacks up to three harmony voices above or below the lead. Based on Klevgrand Altitude, it takes your raw take to a finished vocal performance in just a few seconds.
The Style dial takes you from a subtle polish to the classic hard-tuned sound and also shapes how human the harmonies feel, with formants preserved so your voice keeps its character. A second dial sets the harmonies in the scale you choose, up to three voices stacked on top or below your lead.
Four buttons adds instant effects: Clones doubles your voice, Droid makes it robotic, Vibrato adds natural vibrato and Tremolo pulses in time with your DAW. Press one or combine a few, and they apply to every voice at once.
Choose from 15 scales like Major, Minor, Pentatonic and Dorian, or click in your own notes, and both the correction and the harmonies follow. When you’re tracking or performing, switch to low latency mode for zero latency. For the most accurate results, set the detection range to match the singer.
Altitude Harmony is the first plugin we’ve made together with Focusrite. If you want to go further, there’s an upgrade path to the full Altitude, Klevgrand’s vocal pitch correction and performance plugin, whenever you’re ready.
Four controls, no menus
From natural to hard-tuned
The Style knob moves pitch correction from transparent to fully locked. Formants stay corrected throughout, so the voice keeps its character wherever you set it.
One-knob harmonies
One knob sets how many harmony voices you get and whether they sit above or below the lead. The musical decisions happen underneath, in the chosen scale.
Tune it, or don't
Turn pitch correction on or off with a single switch. The Pitch knob shifts every voice, harmonies included, with fine-tuning when you hold Alt/Option.
Four instant characters
Droid, Clones, Vibrato and Tremolo sit under the main controls. Nothing to configure — press one and the vocal arrives somewhere new, already usable.
Features
- Pitch correction with formant-aware processing
- Up to three additional harmony voices, above or below the lead
- Style control from natural to hard-tuned, affecting the responsiveness and human feel of harmonies and effects
- Four combinable one-button effects (Clones / Droid / Vibrato / Tremolo with tempo-sync)
- 15 different scale presets, plus custom scale
- Low-latency mode, well suited for tracking and live performance
- Lead / harmony mix control
- Global pitch offset, and adjustable reference pitch
- Preset collection
- Requires macOS 10.13 or later (ARM/Intel), Windows 10 (64-bit) or later, running a AU, VST or AAX compatible 64-bit host.

















