Ronnie,

Apodizing is best done earlier in the chain, the HD621 is the best place for it.
This allows the signal which the 861 receives to already be upsampled and have much less jitter.
The 861 therefore has less work to do, and can get on much better with its processing jobs, rather than tie itself up apodising and upsampling.
If thats not anthropomorphosising it too much!

Rick


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