> Likewise, the phrase "building a filter around the signal"
> which has been used in several posts in various forms does
> not mean that there is an actual pass band being established.
> I've seen that language used elsewhere as a simplified
> explanation of DSP, referencing the more familiar analog of a
> filter, instead of trying to explain the math, etc, of true
> DSP noise reduction.
In the v1 Orion it is most definitely the case. It's clearly observable on
a spectrum analyser, and isn't just the "analog thinking" of a newbie. This
is as much "true DSP noise reduction" as any other DSP-based process
targeting the task.
Grant/NQ5T
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