On 20.05.19 10:47, Alexander E. Patrakov wrote:
пн, 20 мая 2019 г. в 13:17, Georg Chini <georg@xxxxxxxx>:
Hi Alexander, Tanu,
would it make sense to give filters some old data for preconditioning when
the filter should be rewound? Then the filter could simply be reset and the
preconditioning data run through the filter instead of doing a "real"
rewind.
The amount of data needed for preconditioning could be made configurable.
The problem is that for IIR filter the needed amount of data is
infinite. So - no.
That's only true in theory. In practice, you never have an IIR filter
because you do not have infinite resolution. And in practice, it will
probably be sufficient to precondition the filter in many cases.
Surely the result will not be perfect, but may be good enough to
avoid audible artifacts.
But if you think it does not make sense, I'll leave it as it is.
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