I´ve found the answer in the description of dfilt.allpass function, where the transfer function of all pass filter is shown (just in case someone else is interesting in this)
dsp.AllpassFilter coefficient translation
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Hi
I need to create an All Pass filter with selectable frequency in an audio plugin I´m developing. As Frequency is not a property in dsp.AllpassFilter object, is there any function to calculate the coefficientes matrix from frequency input (among other parameters of course)? (e.g something similar to designShelvingEQ or designVarislopeFilter).
If not, any formulas to buitl my own function?
Thanks
Br
Pablo
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