[PD] iem filter interpolation

Tim Blechmann TimBlechmann at gmx.net
Wed Jul 6 22:53:54 CEST 2005


hi thomas, hi list,

working with the iem filters, i experienced some control rate
frequencies (48000Hz / 64 smps) while interpolating between values ...

this is basically because the filter coefficients are only changed at
control rate, not at audio rate. are there any plans to change this
behaviour? it would make it easier to have interpolations when changing
several parameters without the need to crossfade between several filters
... on the other hand, the filters would become more expensive ...
(possibly not as expensive as vcf~s)

thanks in advance ... tim

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