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Let's take a look at how to set up EVOC 20 as a vocoder. So what we're going to do is run an audio file through it. So we've got this audio track in Logic here. It's called NothingToSay, and you'll hear what that is. (Male speaker: I have nothing to say. I have nothing to say.) Okay, so you can hear, he has nothing to say. So, what I want to do is turn that into a singing synthesizer part. So the first thing I'm going to do is set the output of this NothingToSay track to No Output, because I don't want to hear this dry sound against our vocoded sound.
So on the channel strip itself, what I'll do is, underneath Stereo Output, go to No Output, and then now check it out. If I play, there is nothing. So we go back to our vocoder here, EVOC 20, and what I want to do is route in that NothingToSay audio in here. So what I'll do is go to the Side Chain input that's up top and I choose NothingToSay. So what that's going to do is it's going to send that signal through the Sidechain Analysis input, and then the characteristics of that sound are going to be transferred to the Synthesizer section, and we'll be able to perform that part.
So now I've got that signal routed through the Side Chain input. In order for me to hear it, I actually have to change the Signal Monitoring mode that's in the Amplifier section. So right now it's set to Synth. So if I play back Logic, well I don't hear anything. If I play keys on the keyboard-- (music playing) It sounds like a synthesizer, right? We don't get any vocoded thing happening. If I change this setting here to the Analysis-- (Male speaker: I have nothing to say. I have nothing to say.) then we're going to hear our analysis input.
That's what's coming from our sidechain. And then I can change this to Vocoder, and what happens is right now if it's playing back, there's nothing, but when I play a key on the keyboard-- (music playing) we can hear that the sound is vocoded, right? So I'm able to control the pitch. It sounds like the synth is actually saying, "Nothing to say. I have nothing to say." So that's the way you can set up the audio routing for this. And a good thing to do once you have this routing set up is to explore some of the presets.
So what you can do is go to this menu up here, and a good place to start is these vintage vocoder ones. They try to cover the basis of the classic sounds. Let's start with Clear Voice Vocoder and let's listen to what that sounds like. I start playback in Logic so that we've got the Side Chain input coming through, but in order to hear anything, I have to press the keys on the keyboard. So I'll play something. (music playing) I can play chords. Of course, that depends on our polyphony settings, but we'll talk about that later, and let's check out some of these other ones too.
So, another one that's kind of neat is Galactic Warriors. (music playing) So you kind of get the part sung, and you can create a whole composition out of the "nothing to say," and pitching around, do all kinds of things. Definitely pretty neat, definitely worth spending the time to explore some of these presets, just to get a sense of the range of sounds that the vocoder can create. What we'll do is in the next video take a look in much greater detail of the Synthesizer section and how actually everything works in there.
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