desc:RC filter

// Copyright (C) 2012-2017 Theo Niessink <theo@taletn.com>
// This work is free. You can redistribute it and/or modify it under the
// terms of the Do What The Fuck You Want To Public License, Version 2,
// as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.

slider1:1000<20,20000,1>Cutoff (Hz)

import Tale/rc_filter.jsfx-inc

@slider
lp.rc_setf(slider1);

@sample
spl0 = spl1 = lp.rc_lp(0.5*(spl0 + spl1));
