Download the WAV and play it on a real oscilloscope or an emulator. - Free emulator software
Download sound file - This soundfile is generated every time you load the page.
SVG - Intention.
Canvas - Redrawn
The canvas uses the same instructions and lookup to draw as the sound does, with these additional features for visibility.
Unfortunately, because I need to use inline svg data, I cannot allow people to upload their own image. If they really want to, you can use the source code.
The following support has been built in, more support could be added in source.