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Hard Sync

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Hard sync is a technique used to synchronize the frequency of two oscillators, where one oscillator, called the “master,” resets the phase of the second oscillator, called the “slave,” every time it completes a full cycle. This process ensures that the slave oscillator is always in sync with the master oscillator, regardless of their individual frequencies.

When the slave oscillator’s frequency is set higher than the master oscillator’s frequency, the hard sync process will cause the slave oscillator to restart its cycle multiple times within the master oscillator’s single cycle. This results in a new, more complex waveform with additional harmonic content, which can create rich and interesting timbres.