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Wednesday, 25 February 2015 11:32

The ghost in the compression or mp3

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The ghost in the mp4 and mp3 The ghost in the mp4 and mp3 Ryan Maguire

There is a loss in the mp3 encoding as all are aware. What happens you manage to retrieve only the lost piece and play that back?

Read more about this great experiment HERE




"The MPEG-1 or MPEG-2 Layer III standard, more commonly referred to as MP3, has become a nearly ubiquitous digital audio file format. First published in 1993, this codec implements a lossy compression algorithm based on a perceptual model of human hearing. Listening tests, primarily designed by and for western-european men, and using the music they liked, were used to refine the encoder. These tests determined which sounds were perceptually important and which could be erased or altered, ostensibly without being noticed. What are these lost sounds? Are they sounds which human ears can not hear in their original context due to universal perceptual limitations or are they simply encoding detritus? It is commonly accepted that MP3's create audible artifacts such as pre-echo, but what does the music which this codec deletes sound like? In the work presented here, techniques are considered and developed to recover these lost sounds, the ghosts in the MP3, and reformulate these sounds as art." - Ryan Maguire

Last modified on Wednesday, 25 February 2015 11:41

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