Perceptual Audio Coding: Difference between revisions

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== Psychoacoustic ==
The term [[psychoacoustics]] describes the characteristics of the human auditory system on which modern audio coding technology is based. The most important psychoacoustics fact is the masking effect of spectral sound elements in an audio signal like tones and noise. For every tone in the audio signal a masking threshold can be calculated. If another tone lies below this masking threshold, it will be masked by the louder tone and remains inaudible too.
== The Steps ==