Hacker News with Generative AI: Sound Engineering

Decoding the telephony signals in Pink Floyd's 'The Wall' (corelatus.com)
I like puzzles. Recently, someone asked me to identify the telephone network signalling in The Wall, a 1982 film featuring Pink Floyd. The signalling is audible when the main character, Pink, calls London from a payphone in Los Angeles, in this scene (Youtube).
Zimtohrli: A New Psychoacoustic Perceptual Metric for Audio Compression (github.com/google)