more precisely: a brickwall filter (8th order lowpass butterworth) whose cutoff is at 0.9 * Nyquist, so you can do upsampling + filter for anti-aliasing.

2017-10-14 19:19 GMT-03:00 Alexandre Torres Porres <porres@gmail.com>:

2017-10-14 18:27 GMT-03:00 Christof Ressi <christof.ressi@gmx.at>:

just curious: why/where do you need it?

for an abstraction

but now I also have an external I did so I can use in this abstraction