![]() ![]() Try moving the MG FREQ down a little, moving your IN knob to the left, and turning SYNC from OFF to BPM and back to make some interesting waves. You can see the wave start to wobble before eventually going insane and turning into a new wave entirely. ![]() While holding B, move your pitch knob right. Set your MG FREQ all the way right and your IN knob to center. Now is a good place to mention self-oscillation, where your modulation is so fast it creates an entirely new waveform. The speed is affected by the two knobs working together. If you have more pitches to go through, but the same amount of time to get there, it will go faster. Basically, the MG FREQ determines how quickly your MG will run through it's cycle, while the IN knob determines the range of (in this case) PITCH to go through. Moving around just the IN knob, listen to how the speed and range of notes tend to change. This is what your sound does when your IN knob is set left of center. You can tell that the mirror image of the sawtooth would do just start low and rise up, then immediately end. Set MG FREQ a bit left of center and it sounds like a pew pew laser. This is how the pitch will go when set to the right of center. Looking at the picture of the little tooth, you can see that it starts tall and falls down. Now let's try connecting the next MG WAVE, sawtooth, to the same VCO 1 PITCH IN. Tap on one of the cable connections to make it disappear. This is because the triangle wave is a continuous loop back and forth, so it looks the same forwards and backwards. Notice how if you go the same distance away from center either right or left, it sounds the same. Now you can hear the pitch going up and down like a trombone. Let's hold down B and move the VCO 1 PITCH IN knob towards the right. The knob for each input here will do no modulation if it is set straight up. ![]() Press B and you may notice that it does not sound very different than before. You will see a yellow cable connect the two, reminiscent of the patch cables used on the original MS-20. Tap the stylus on the triangle wave and drag to VCO 1 PITCH IN above. This is your LFO, or as Korg called it: the Modulation Generator. On this screen, you will see on the bottom left MG FREQ and MG WAVE OUT. DSN has nothing labeled LFO, but it is there! From SYNTH, go to PATCH. This stands for Low Frequency Oscillator, and it basically adds a slow wave as modulation, usually applied to a VCO. If you are familiar with synthesizers, you know the term LFO. Then of course there is MIX in the MAIN section. In addition to the VCA for each Track, the sequencer has volume control for each step in the sequence (under VL). In DSN, as you may have noticed by now, there are many different volume controls. At high levels, it is similar to a compressor effect in how it squeezes your waveform and makes it sound distorted. Level works like a volume control, and Drive increases the volume while adding a certain punchiness to the sound. I have not mentioned the VCA, but there's not much to it. If you are following along with your DSN in hand, let's start with a NEW song and go to the SYNTH page of TR 01. I'd like to start this post with a good outline provided by Blye Widmar. ![]() Thank you for those who have given me feedback so far. ![]()
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