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Vocoder synth logic pro x free |
Vocoder synth logic pro x free
Vocoder basics - Vocoder synth logic pro x free
Vocoders are capable of quite a number of effects, from harsh, metallic Robot Voices Cylons , to a quantized pitch effect similar to the Auto-Tune effect. Logic has been good enough to include a Vocoder in its collection of effect plug-ins—the EVOC 20 the E comes from the old days Emagic and the 20 is the maximum number of frequency bands— see below.
In fact, Logic has not one, but three versions of this effect—two audio processors and an Instrument, which incorporates its own synthesizer. It encodes the characteristics of the voice using a bank of narrow-band filters—the EVOC lets you choose anywhere from 5 to There are actually two filter banks—the Analysis and Synthesis banks.
The Vocoder works by breaking up an analysis signal the voice, in these examples, but it could be anything into narrow frequency bands; the included Synthesizer is broken up into the same, corresponding bands. Each of the analysis bands is coupled to its own Envelope Follower, which controls the envelope of the corresponding Synthesizer band. This superimposes the shape of the analysis wave—the vocal—onto whatever the synthesizer is playing chords, melody.
So why does this make it sound like the Synthesizer is singing? Well, a human voice produces a number of resonant peaks called Formants—several of these combine to create the different vowel sounds. The Vocoder captures the changing envelopes of these Formants with its narrow Frequency bands, and the Envelope Followers apply those envelopes to the synth sound, making the synth, in effect, produce vowels, as if it were speaking the words of the vocal signal.
All of these aspects can be tweaked with the various controls in the EVOC, giving you the option to push the effect either toward clarity or away, towards a more synthetic or edgy quality. These will alter the corresponding Synth Formants only, providing familiar tonal-shifting special effects Audio Example 3. The Resonance control, to the right, can also be used to intensify the effect.
Audio Example 3 A Vocoded signal, with the Formant Stretch knob narrowed, then gradually widened; then the Formant Shift knob shifted down, then gradually shifted up:. The Sensitivity knob determines the response to the un-voiced components—too low, and the effect will lack clarity and intelligibility. As you can see Fig 4 , the key controls are mostly the same.
Obviously, there are a lot more controls in these plug-ins, and a lot more effects on tap as well, but this is all we have room for now. More articles by this author. Joe is a musician, engineer, and producer in NYC.
He's also taught all aspects of recording and music technology at several NY audio schools, and has been writing articles for Recording magaz Read More. Create an account or login to get started! Audio is your ultimate daily resource covering the latest news, reviews, tutorials and interviews for digital music makers, by digital music makers. Log In Create Account. A NonLinear Educating Company. In this comprehensive tutorial, Joe Albano, shows how to create your own vocoder effects in Logic Pro X.
Joe Albano More articles by this author. Related Videos. The Future of Podcasting is Spatial. Oh yessss!!! VST is a standard no?
I really appreciate this, the TAL is a great plug-in. But in learning from the video you called the pulse width modulator a pitch mod, and that kind of makes me nervous to assume that the method you provided would be the best. Is there a free Vocoder plugin that functions exactly like Vocodex, that can use mixer channels as modulator and carrier, not just MIDI out? Save my name, email, and website in this browser for the next time I comment. Featured June 13, 1.
June 13, 0. Share this article. Max on July 29, am. Greetings Reply. Bedroom Producers Blog on July 30, am. Thanks for letting me know! DjPonPon on June 16, pm.
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