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#masking

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01 ·Audio Codecs·★ MEMBER·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.