───────────────────────────────────────────                           
        ─                                         ─ │                           
      ─                                         ─   │                           
    ─                                         ─     │                           
   ┬─────────────────────────────────────────┬      │                           
   │                                     │││ │      │                           
   │ ─────────────                          ││      │                           
   │ │▓▓▓ ▓▓▓▓▓▓▓│  ┼  O  O  ┼   O  i   ┼   ││      │                           
   │ │▓▓ ▓ ▓▓▓▓▓▓│                      ┼   ││      │                           
   │ │▓ ▓▓▓ ▓▓▓▓▓│  ┼  o  ─  ┼   O  i       ││     ││                           
   │ │ ▓▓▓▓▓ ▓▓▓ │                      ┼   ││     ││                           
   │ │▓▓▓▓▓▓▓ ▓ ▓│           ┼              ││      ─                           
   │ │▓▓▓▓▓▓▓▓ ▓▓│  ┼  o  ─      O  ──────  ││    ─                             
   │ ─────────────                          ││  ─                               
   │                ───          ─────     ─││─                                 
   ┴─────────────────────────────────────────┴                 



4 channels with 96kHz sample rate & 32 bit depth.

.XM song is baked in the executable.

1. Run ‘./oscilloscope’
2. Play with audio interface & configuration that supports 4-channel output

Tested with:
Instek GOS-620 oscilloscope
<https://www.gwinstek.com/en-global/products/detail/GOS-630_GOS-620>