Yamaha DX200 Owner's Manual - Page 41
LFO Modulation, Tip 32 Modulating the volume
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Chapter 9 LFO Modulation Here's another crucial cornerstone in synthesizer sound - the LFO. Although LFO modulation can be used to make the sound warmer and more natural, its strong forte is in creating wild and extreme special effects. Explore the following Tips and you'll soon build up a huge arsenal of powerful tools for mangling the sound in awesome ways. 32 Modulating the volume Get to know your LFO. This Tip takes you through the basics in setting up and using the LFO. It also introduces you to one of the more popular LFO applications - modulating volume. Used with some of the other sound shaping controls on the DX200, this is responsible for the machine gun effects, helicopter-like sounds and a slew of other industrial noises you hear in a lot of techno, electronica and dance music today. 1 Call up a Pattern. 2 Press [DETAIL], several times if necessary, until "Amd" (Amplitude Modulation Depth) appears briefly in the display. 3 Use the [DATA] knob to set the value to "99." This is the Amplitude Modulation Depth setting - "amplitude" meaning "volume." Setting Amplitude Modulation Depth to 99 puts the LFO in maximum control over the volume of the sound. Amplitude Modulation Depth 4 Press [KEYBOARD] to use the keyboard, and hold down one of the keys. Hear how the the sound wavers in and out, in a tremolo effect? 5 As the note sounds, tweak the LFO [SPEED] knob - and hear how the modulation alternately speeds up and slows down. Determines the amplitude (volume) depth for the LFO. To set, press [DETAIL] repeatedly (until "Amd" appears), and use [DATA] knob to set value. (Pressing [DETAIL] repeatedly steps through the other LFO Detail parameters; see page 42.) Range 0 - 99 Speed Determines the speed of the LFO modulation. Range Stop (no modulation), 1 - 99 41