A very very simple JS API to process an audio file trying to make it sound like the sound source is moving in space. Work in progress, likely never to be finished.
Link here
Instructions:
0) put on some headphones
1) press play button
2) you can try and equalize manually if you want
3) move the position of the source hovering the box with the mouse
4) press Circle to make the source circle automatically
5) refresh the page to test again
The underlying API is very simple, it accepts a simple setXY(x,y) which expects two relative coordinates ranging [-1,1]