sound_wave
A visual representation of transmitted sound. This can be portrayed a couple of ways:
* Ring-like waves emanating from a person or audio source (post #2200295, post #2115595)
* A line that fluctuates in tune to a produced sound (post #3817448)
Not to be confused with the Transformers character ]], or the cardiogram which represents a heartbeat.
For water waves, use [[waves.
Aliases: none