Owner's Manual

5
4. Digital lter selection
The Pro iDSD Signature oers the following three choices of digital processing:
i) Direct – Bit-Perfect
Both PCM and DSD signals are not processed in any way.
For PCM this is eectively what is sometimes called "non-oversampling" or
"zero-oversampling."
For DSD it means the le is retained in the original DSD format and directly converted to analogue
without any digital processing.
ii) PCM - Upsampling
In this case PCM is up-converted to 16 x PCM (705.6/768kHz) using a choice of digital lters.
The following ve digital lters are available:
'Bit-Perfect' No digital ltering is applied, one tap
'Bit-Perfect+' No digital ltering is applied, one tap, SINC roll-o is corrected
'
Gibbs Transient Optimised' Minimum ltering, no pre-ringing, minimum post ringing, 32 taps
'A
podising' Modest ltering, no pre-ringing, modest post ringing, 128 taps
'T
ransient Aligned' Max ltering, max pre-ringing, maximum post-ringing, 16,384 taps
Th
e digital lter selections can be made 'on the y' to suit the listener's preferences.