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#critical-band
1 articles
01
2026-08-22
·
Audio Codecs
·
FREE
·
10 min read
MP3 and Psychoacoustics — The Science of Sounds You Cannot Hear
MP3 does not throw away sounds that aren't there — it throws away sounds that are there and inaudible. This piece works through the three holes in human hearing (absolute threshold, simultaneous masking, temporal masking) down to the equations, then follows SMR into bit allocation, the encoder's two nested loops, and the bit reservoir.