Arturia JUPIITER-8V User Manual download pdf (Page 72)

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ARTURIA – JUPITER-8V – MANUAL - EN

PWM (Pulse Width Modulation) is a setting that allows you to modify the waveform cycle (or wave

length). This can be done manually with the help of a knob «PW» or by modulation (with an

envelope or LFO). Again in this case, pulse width variation creates a spectrum modification that

cannot be duplicated with subtractive filtering.

• • The sine wave is the purest waveform of all. It produces only a single harmonic, referred

to as “the fundamental”. It can be used to reinforce the low frequencies of a bass sound or

as a modulation of the frequency in order to create harmonic waveforms. This wave form is

available on VCO2.

The synchronization of an oscillator with another creates more complex waveforms. If for example,

you synchronize oscillator2 with oscillator1, oscillator2 will restart a new period every time the first

oscillator completes its period, even if oscillator2 has not fully completed its current cycle (this

signifies that it is not tuned to the same tonality!) The more you tune oscillator2 upwards, the more

you will encounter composite waveforms.

In the image above, osc1 is synchronized with osc2 and tuned to with double the tonality..

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Arturia JUPIITER-8V User Manual Page 72