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>> What is the best distribution for the sample rates? Lower sample rate for
>> the low channels and higher sample rate for the HF cannels?
Yes. For a 2-way, 24 kHz for the LF and 48 kHz for the HF. For a 3-way, 12 kHz for the LF, 24 kHz for the MF and 48 kHz for the HF.
>> That obviously means that I’II have to update to the very expensive FIR Designer M
>> to be able to work with the XP1, XP2,… Lake modules.
Like I said, the added complexity in the XP modules means it’s quite difficult to update FIR Creator EX and FIR Designer to work with them. We might update them in the future but we can’t give any time-frame. Also, the different sample rates on output channels don’t just affect the FIR filters; they also affect the IIR filters. FIR Creator EX and FIR Designer can’t display the summed response of all the channels – only FIR Designer M can do this.