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two-pole filter

F2p~[2pole~] is a message-based two-pole filter which is less costly than the other two filter objects in MAX: f2p2z~ [2p2z~] and wahwah~. This is the simplest resonant filter possible in Max, the equation being: y[n] = c0*x[n] + c1*y[n-1] + c2*y[n-2] where x[n] is the input signal, y[n] is the output signal and c0, c1, and c2 are the 3 coefficients. See wahwah~ and f2p2z~ [2p2z~].
from the library :
ISPW Compatibility Library
Format : External
Environment : max / msp
Max 3.x / 4.x


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