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Eminent persons

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Fumio Mieda

Fumio Mieda is a well-known Japanese synth engineer, one the first to work on monophonic and polyphonic synthesizers for KORG. He worked on the historic Prototype No. 1, and later on the PE series of polyphonic synthesizers including the PE-1000 and...

Adrian Scott

Adrian Scott is a highly respected and influential music producer, composer, and synthesizer specialist. He has worked extensively in the synthesizer industry, contributing to the design of some of the most popular and iconic synthesizers ever made. He...

Eric Persing

Eric Persing is a renowned sound designer and former Chief Sound Designer for Roland Corporation, a leading manufacturer of electronic musical instruments. He is widely recognized for his pioneering work in the development of synthesizer sounds for the...

Technologies&Inventions, Terms

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Filter Overdrive

Filter overdrive occurs when the input signal to a filter is amplified to a level that causes the filter to distort. This typically results in a more aggressive, gritty sound as the filter's components are pushed beyond their linear operating range. Overdrive can add harmonics and compression to the sound, giving it more presence and character.

Filter Self-Oscillation

Filter self-oscillation happens when the filter's resonance is increased to a point where it begins to generate a tone on its own, even without an input signal. This occurs because the filter's output is fed back into its input, creating a feedback loop. The frequency of this self-generated tone corresponds to the filter's cutoff frequency.