# Sound
What is sound? Sound waves…

[How speakers make sound - Animagraffs](https://animagraffs.com/loudspeaker/)
[Music Technology 101: Sampling Rate and Bit Depth Explained - YouTube](https://www.youtube.com/watch?v=zC5KFnSUPNo)



See also
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https://arachnoid.com/SigGen/index.html javascript signal generator + spectrum analyzer