What is Lossy Audio Compression?
A type of compression that reduces the size of the audio file by reducing accuracy of certain parts of sound that are deemed beyond the auditory resolution ability of most people. Using psychoacoustic models, lossy compression discards or reduces the precision of components less audible to human hearing, and then records the remaining information in an efficient manner.
In lossy compression, not all information is retained and the compressed file is not an exact reproduction of the original. (See Lossless Audio Compression)
Audio formats with lossy compression include:
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