Strongly recommended · for some experience
D/A and A/D | Digital Show and Tell (Monty Montgomery @ xiph.org)
Why people recommend it
Monty Montgomery demonstrates sampling and reconstruction on real equipment, widely cited on the Nyquist theorem and why CD-quality audio is enough.
Watch for: one viewer disputes the image pixel analogy at 8:17
In their words
Here is a video on youtube that made many things click in my head.
Harry Svensson on electronics.stackexchange.com, Oct 2018. CC BY-SA.
See the Xiph video for proof that CD is good enough.
Martin on electronics.stackexchange.com, Apr 2019. CC BY-SA.
See this demo: [video] "D/A and A/D | Digital Show and Tell (Monty Montgomery @ xiph.org)"
Nayuki on electronics.stackexchange.com, Nov 2019. CC BY-SA.