Joe Bloggs
Sponsor: HiByMember of the Trade: EFO Technologies Co, YanYin TechnologyHis Porta Corda walked the Green Mile
Is there anything in the literature that shows that the transition band needs to be widened in this way to shorten the supersonic ringing for anyone who doesn't hear anything at 22kHz? There'll always be some ringing for graph-o-philes to pick at unless you go all the way down to a Q=0.5 lowpass filter, in which case for all I know 192kHz sample rate wouldn't be enough for a flat 20kHz passband :rolleyes:
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