This Nyquist code will not help clicks, (or hiss), but will remove the faint constant whine …
(setf *track* (notch2 *track* 1341 50))
(setf *track* (notch2 *track* 1288 50))
(setf *track* (notch2 *track* 1232 50))
(setf *track* (notch2 *track* 135 5))
(setf *track* (notch2 *track* 50 5))
(highpass8 *track* 20)
Nordic-whine-remove.ny (223 Bytes)