Voltage controlled filter: Difference between revisions
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There are many ways to implement most filters, and each has its own specific audio characteristics or flavour. Some common features across most filter types include: |
There are many ways to implement most filters, and each has its own specific audio characteristics or flavour. Some common features across most filter types include: |
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* A cut-off frequency - the frequency at which the filter begins to remove frequencies. This is often [[ |
* A cut-off frequency - the frequency at which the filter begins to remove frequencies. This is often [[voltage control|voltage-controllable]], and can changes over time (e.g. controlled by an [[Envelope generator|envelope]], or an [[Low frequency oscillator|LFO]]). |
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* resonance - how much the filter boosts the frequency at the cut-off point. This may also be voltage-controllable. |
* resonance - how much the filter boosts the frequency at the cut-off point. This may also be voltage-controllable. |
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* frequencies beyond the cut-off often have their [[phase]] affected. |
* frequencies beyond the cut-off often have their [[phase]] affected. |
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