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Join author Brian Trifon as he shows how to improve music and audio productions using virtual instruments in Logic Pro. This course tours the program's virtual instruments, including the ES2 hybrid synthesizer, Sculpture physical modeling synthesizer, EFM1 FM synthesizer, the EVOC 20 vocoder, the Ultrabeat drum synthesizer, and the EXS24 sampler, and shows how to achieve various effects with each instrument's parameters. The course also covers working with oscillators and filters, understanding signal flow, creating custom synthesizer patches, adding effects, synthesizing speech, creating a library of custom sound samples, and much more.
Virtual Instruments with Logic Pro will be updating on a monthly basis, eventually covering all the virtual instruments in the application. Look for the latest movies here and on the lynda.com blog.
Let's take a look at the Global and Voice settings in EXS24. So up top you can see there is three Voice modes: Legato, Mono, and Poly. Right now we are in Poly mode. That means we can play polyphonically. So we have our voice setting to 16 voices, but we can up that all the way to 64 voices to play 64 voices at once. Mono mode means we can just play one voice at a time. One of the interesting aspects of mono mode is that we can retrigger notes. So if I play a note and then I play a note that's higher and I let go off that higher note, it retriggers the lower note.
Legato mode in some ways is similar to mono, in that it's monophonic, but it doesn't retrigger the envelope when you are playing notes that are adjacent to each other, in terms of their timing. So if I increase the attack time on our Amp envelope, the first note that I play, it's going to fade in, but the following notes, it's not going to retrigger the envelopes, so you'll hear them right away. (music playing) So now let's take a look at Unison mode. So the Unison mode is going to stack voices on top of each other.
So when I'm in Mono mode what it's going to do is it's going to look at our voice setting of how many voices we have and it's going to stack them on top of each note. So I'll have 16 copies of each note that I play. The first thing we'll notice is it's going to be pretty loud. (music playing) So it really cranks up the volume. But one thing that I can do that's kind of neat is if I introduce some randomness, in terms of the tuning, with this Random tuning parameter, then we can get a pretty thick sound with all the stacked voices detuning against each other. (music playing) Unison mode is also applicable in the polyphonic setting, but it works a little differently.
Instead of adding the number of voices that you have in this voice setting here, it's just going to double up on each voice. So if I'm playing a three-note chord, I'll get a total of six voices, because it's doubling each note. So let's hear that. (music playing) So it doubles up on each voice. Over on the left, we have some more global parameters. We have a Velocity Offset, so I can offset the incoming velocity, either positive or negative amount, and I can set it back with this button right here. I can also determine what going to be the Hold parameter.
So typically, that's assigned to a pedal. It's known as Sustain pedal, and that's usually Ctrl #64, but I can send that to any other MIDI control. I can also introduce an amount of cross-fade between Velocity layers, and I can do that right here. I can choose the cross-fade type. If we go over to the far right, we have the Amplifier section. So here we can adjust our Output level. We can also have Velocity control some amount of our Amplifier level. So that's the split right here. So here's the minimum level, and here's the maximum. One of the other interesting features of the amplifier section is this key scaling.
So I give this a positive amount, and what that means is notes that are in higher octaves on the keyboard are going to be louder than notes that are in lower octaves. If I give it a negative value, it's going to be the reverse of that; so that means that the lower octaves are going to be louder than higher octaves. Now that we've explored the Global and Voice settings as well as the other parameters of EXS24, let's hear a musical example of EXS24 in action.
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