The Amplifier; Other Modules; The Keyboard - Arturia Minimoog V User Manual

Arturia minimoog v: users manual

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5.1.3 The amplifier or VCA

The amplifier (Voltage Controlled Amplifier) receives the audio signal coming from the

filter (or directly from the oscillator if it is not being filtered) to be adjusted before the

volume is sent to the speakers.

In conclusion, here is a diagram that should help you to understand the composition of a

basic sound:

5.2 O

THER MODULES

If we stop here, the sound that you will obtain will be uniform, without life and without

an end!! The oscillator delivers a sound signal (the audio output of a waveform) of a

fixed pitch in a continuous manner. In the diagram above, the only way to stop this

quickly unpleasant sound is to lower the filter cut-off frequency so that it becomes more

and more damp until it finally disappears; or simpler yet, lower the volume of the

amplifier!

•

To start and stop the sound, and this at the tone that we require, we use a keyboard

that is connected both to the VCA through a gate and to the frequency of the

oscillators. This will «play» the sound as soon as a key is pressed, and mute it when

released. Of course, this connection is made through MIDI (it replaces the «gate»

type of connections on analog synthesizers, which trigger the note when a key is

pressed and stop it when released). The key position provides a control voltage that

tells the oscillator what pitch level to play when the gate opens.

If you don't have a MIDI keyboard, you can also play on the virtual keyboard of the minimoog V to audition

sounds while editing voices on your computer.

ARTURIA – minimoog V – USER'S MANUAL

The minimoog V VCA

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