Class01

Analog vs. Digital

Summary

• An analog signal is a continuous signal; analog signal values are known for all moments in time.

• A digital signal is a discrete signal; digital signals are known at certain specific times.

Analog

how audio works

• timbre = https://musiclab.chromeexperiments.com/spectrogram-service/

how film works = https://www.youtube.com/watch?v=rqSbmw9u1CE&feature=youtu.be&t=127

lossy example = https://www.youtube.com/watch?v=icruGcSsPp0

how stereo records work = https://www.vinylrecorder.com/stereo.html

Mario Davidovsky in 1970

• Synchronism No. 6 = https://www.youtube.com/watch?v=UNcVjQUZ5VI

Digital

• Tristan Perish 1-bit Symphony = https://vimeo.com/12244413

• Andrew May Ripped Up Maps = http://andrewmaymusic.com/Works/Ripped-Up_Maps.html

a transition from a land to a pit or a pit to a land is interpreted as "1" while the absence of a transition is interpreted as "0"

https://www.electronics-tutorials.ws/binary/signed-binary-numbers.html