There are ve lters available:
'Bit-Perfect'
No digital ltering is applied, one tap
'Bit-'
No digital ltering is applied, one tap, SINC roll-off is corrected
'Gibbs Transient Optimised'
Minimum ltering, no pre-ringing, minimum post ringing, 32 taps
'Apodising'
Modest ltering, no pre-ringing, modest post ringing, 128 taps
'Transient Aligned'
Max ltering, max pre-ringing, maximum post-ringing, 16,384 taps
Full Galvanic Isolation
All inputs are galvanically-isolated (including USB). The USB input is self-powered and does not draw power from
the USB bus. The USB section is quite impervious to aftermarket add-ons or tuning accessories. The isolation barrier
is placed not in the inputs but instead between the relatively noisy digital processing section and the clock /
reclocker / DAC section, so not only USB related but all digital noise is isolated.
Cutting-Edge S/PDIF
The S/PDIF inputs use the technology derived from the AMR DP-777; a brand new solid-state HD-VDi
implementation, memory buffer and the Global Master Timing® clock system. Given this extreme attention to jitter
reduction, the S/PDIF inputs bene t little from additional tweaks or tuning gizmos.
External Clock options & Synchronisation
For the purpose of synchronization in recording studios, the Pro iDSD supports AES3id based DARS (Digital Audio
Reference Signal) according to AES11. And if you happen to have a really good atomic clock (of Sanford Research
Systems PERF10 quality or higher), it can be used to further elevate the Pro iDSD's already impressive internal clock
system performance. This is very much an over-speci ed approach, yet the iFi agship deserves this feature in order
to be as future-proof as possible.
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