Dear Pd users,

Can you please take a look in the attached patch and see if it's a corret implementation of a spectral flux measure.
Basically it's:

inlet~                block~ (blocksize 1 1)
|
rfft~
|\    |\
*~   *~
|    /
sqrt
|
fexpr~ $x-$y
|
max~ 0
|
snapshot~
|
/ (blocksize) 
|
outlet

Thanks in advance.
Best,
Gilberto

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