heres a synth……… its a really accurate sine driven frequency and amplitude modulated synth
heres the basic drawing of it , i made before making it.
heres how to use it
heres how oscillators work
heres how the synth works….
heres some links to psycho-acoustic sound…. apologies if any of it goes off the deep end
brain wave frequencies
the huanted frequency
the frequencies of Stonehenge