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autochoir

autochoir legacyfree

Our old choir plugin, still free.

The first plugin we made, kept free for anyone who wants it.

This is not a free trial of autochoir2.

  • — An older, different algorithm. Not autochoir2 with parts turned off.
  • — Seven singers, not twenty, and none of autochoir2’s voices.
  • — A rougher, more robotic sound.
hear the difference
get autochoir legacyfree

No card, no account. Enter your email and the installer for Mac and Windows is sent straight to it.

macOS 13.4+ · Windows 10+ 64-bit · not Pro Tools yet · requirements

It doesn’t sound like autochoir2.

The same take, dry in the middle. Slide left for autochoir legacy, right for autochoir2, and hear the gap.

0:00 / 0:12
dry

Want the twenty, and singers of your own? See autochoir2.

What it does

autochoir in a DAW: seven hand-drawn singers in a half-circle around a short waveform and a clear button, with detune, spread, rate, formant, drift, reverb and output dials along the bottom.
  • Turns any vocal into seven male and female singers.

  • A rougher, more robotic sound than autochoir2.

  • Pitch, drift, formant and width across the whole choir, not per singer.

  • No stage, no voice packs, no pack maker. Those are autochoir2.

  • Records into the plugin. ARA supported.

  • Free. No card, no account. It goes straight to your email.

Before you download

Which DAWs does it work in?
Anything that loads a VST3 or an Audio Unit, which is nearly everything. In ARA hosts (Logic Pro 10.7 and later, Studio One, Cubase, Nuendo, Reaper, Cakewalk, Mixcraft, Samplitude, Waveform) autochoir reads the clip straight off the timeline, so there is nothing to record. In Ableton Live, FL Studio, Bitwig and other hosts without ARA, you arm the plugin and play the part through it once. It sounds identical either way.
Does it work in Pro Tools?
Not yet. Pro Tools only loads AAX, and an AAX plugin has to be signed by Avid and PACE before Pro Tools will open it. Until that is done, please do not buy it for Pro Tools.
Can I use the output commercially?
Yes, without restriction and without royalties. We train every model ourselves and the plugin says where each voice came from. You do not have to credit anyone.
Does it need a GPU, or an internet connection?
Neither. Every singer runs on your CPU, locally. Nothing you record is uploaded, and the plugin works on a machine that has never been online.

More on the support page.

mac
macOS 13.4 (Ventura) or later, on Apple silicon or Intel
windows
Windows 10 or later, 64-bit
memory
8 GB, of which a render uses about 3 GB
disk
1.5 GB
works in
Logic, Ableton Live, FL Studio, Cubase, Studio One, Reaper, Bitwig and most others. Not Pro Tools yet.
formats
VST3 · AU · ARA 2
delivery
Instant download, sent to your email

Below macOS 13.4 the plugin will not load, so check that first. A cache of finished renders trims itself at 10 GB. Which DAWs support ARA is on the support page.

Free, and older.

autochoir legacy is not autochoir2, and it won’t sound like it. For twenty singers, the voice packs and your own voices, get autochoir2.