Thanks, so why does the apdozing filter have to be restricted to only being used in the upsampler.
The idea is a bit like the ReProg function of the AnchorBay VRS: remove bad deinterlacing (extract interlaced signal from progressive signal) and deinterlace the signal proper. So remove the bad 20kHz brickwall filter and apply a proper lowpass filter. However, to be able to gently fall off above 20kHz you need more than the 2kHz space that the original CD signal has. Therefor you need a higher frequency signal and the easiest is to double it. In theory the 24kHz bandwidth of a 48kHz signal already doubles the space for the fall off, which makes a big difference
I think the lack of HD621 firmware is an oversight or there is a reason they didn't want it public yet as they may still be working on it. I would not infer apodizing availability from that.
New units are delivered with the V1.05 installed, so obviously it is not in beta. Considering multiple customers have asked Meridian about this firmware they should be aware of the omission.
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