P0ss3ss0r

P0ss3ss0r is a free VST plugin made to update that T-Pain-Auto-Tune-Cher-Kraftwerk-Robots-Daft-Punk-Vocoder sound. One signal gets possessed and controlled by another, voodoo style.

Update: 64-bit version now has GUI and level controls. Default is a basic spectral morph. Turn up the resonance to put some life into that signal. If the filter blows up, which it will, you need to trim the input levels.

Listen to the mp3 demo on a sample from Over by Drake.

Download here for 64-bit Windows, the latest version with GUI and level controls. Here for 32-bit, first version, no GUI. Put the DLL in yr VST plugin folder. restart yr host app. Use P0ss3ss0r on a stereo bus and send it two mono signals one in L one in R. Get one mono signal back on both L & R.

P0ss3ss0r works best when one input is an unpitched vocal line and the other is a melody you want the vocal to follow e.g. from a fat synth sound with plenty of harmonics. Or when one is a vocal melody and the other is an instrumental line that follows it. Use noise and ring mod sounds for robots. Add white noise to synth sounds for more definition in yr fricatives. But if you’re an experi-mentalist you can feed it anything.

No waveshaping, will clip if the signal peaks, best use a limiter if you’ve got sensitive ears/speakers. Also, latency, 0.04s about. If you’re hearing clicks/getting xruns, increase yr buffer size. But you knew that, right.

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Kn0ck0ut

Kn0ck0ut is a free VST plugin that was made to help extract vocals from music in digital audio, sometimes it works.

Kn0ck0ut takes two mono inputs, spectrally subtracts one from the other, and returns the difference. It can also retrieve centre-panned audio from stereo input.

Download Kn0ck0ut v0.9 for 64-bit Windows – 15-year anniversary no-GUI update

Or get the Linux LV2 by J. Salwen here.

Installation (windows only): put the file Kn0ck0ut.DLL in your VST plugins directory. restart yr host app. set buffer size to at least 1024 samples unless you like the sound of clicks. add Kn0ck0ut as an insert effect on a stereo track or stereo bus.

If the ‘extract centre’ control is set to zero the plugin expects two mono inputs – one hard-panned left and one hard-panned right. The right channel signal is subtracted from the left signal the difference is returned on both channels. Example: if you have a vocal version and instrumental version of the same track, pass them thru Kn0ck0ut synced up best you can, the vocal version hard-panned left and the instrumental hard-panned right. The R will be subtracted from the L, maybe leaving just the vocals, most likely leaving plenty other stuff too.

Hints n tips:
Adjust input volumes on yr DAW for best results.
This not a phase-cancel process – audio doesn’t need to be in phase. But audio will clip if the signal peaks – use yr ears, watch the meters.
If you haven’t got the full instrumental try using an instrumental verse or chorus from the same track. Or record yr own instrumental version and use that.
Not only for vocals, you can recover whatever instrument or sound is the difference between L&R. Except drums, drums don’t sound good, get smeared.
For noise reduction, loop a sample of the noise and use that as the R channel input.
For dereverb, send yr too-reverby signal to the Kn0ck0ut L channel, send it also to a reverb patch with similar character and route the return (just verb with no dry signal) to the Kn0ck0ut R channel.

If ‘extract centre’ is set to one the plugin expects a stereo input and returns the centre-panned part of the stereo image on both channels. In some few and especially v old school stereo mixes the centre of the stereo image is just vox.