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qjsynth

Do you want to create your own music program? Take a look at this small and simple project. It can give some ideas for a possible implementation.

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Screenshots and videos: https://maxy-v.blogspot.com/2021/01/qjsynth-screenshots-and-video.html

Features:

  • 4 types of sound
    • Sin
    • Square
    • Triangle
    • Saw
  • Java-script driven sound
  • XML-based project files
  • Cool modern lookig UI

Controls:

Shortcut Action
LMB create/move/resize/select
Ctrl + LMB make a copy of selected item
RMB delete
MMB adjust playing area
Alt + MMB reset playing area
Ctrl + C copy
Ctrl + MMB paste
Ctrl + Mouse wheel Zoom in/out

Script arguments:

Argument Description
arg.frame currently playing frame
arg.frames size of currently playing item

Sound types:

  • snd.SIN
  • snd.SQUARE
  • snd.TRIANGLE
  • snd.SAW

Sound properties:

Property Description
snd.type synthesizer type (see above)
snd.volume_from sound volume on the beginning of the frame
snd.volume_to sound volume on the end of the frame
snd.duty duty of SQUARE synthesizer
snd.pitch change of sound frequency (in piano keys)