In audio signal processing, pre-echo, is a digital audio compression artifact where in the reconstructed signal (following an encoding/decoding cycle), a sound is heard before it occurs in the original signal (hence the name). It is most noticeable in sharp impulsive sounds (transients) from percussion instruments such as castanets or cymbals.
In audio signal processing, pre-echo, is a digital audio compression artifact where in the reconstructed signal (following an encoding/decoding cycle), a sound is heard before it occurs in the original signal (hence the name). It is most noticeable in sharp impulsive sounds (transients) from percussion instruments such as castanets or cymbals.
Source: Wikipedia "Pre-echo" · CC BY-SA 4.0
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