Just another thought: Why convert every single FFT output vector from
linear to dB with a logarithm (that's a very complicated function!)
just to then compare it to a threshold, if you could also just convert
the threshold to linear once?

Best regards,
Marcus
On Mon, 2018-02-12 at 10:21 -0500, Michael Dickens wrote:
> In GRC, you open the "complex to ||^2" block settings & set the vector length 
> to whatever you want. I'd advise using a variable that's defined in GRC, and 
> then use it for any blocks that require the vector setting; that way you can 
> change the variable value & all blocks are updated with it. Hope this is 
> useful. - MLD
> 
> On Mon, Feb 12, 2018, at 10:17 AM, Tellrell White wrote:
> > Thanks for the response. That's exactly what I'm trying to accomplish.  You 
> > mention the "complex to ||^2 can be vectorized. My question is how exactly 
> > do you go about doing that? 
> 
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