What is lost is determined by a process called perceptual or temporal noise shaping. This is done through what is called lossy compression, lossy meaning some information is discarded from the original audio. What this means is that an audio file of approx. The main goal behind the development of MP3 was to replicate CD-quality with no perceivable difference at a much smaller size.Ĭonverting to MP3 compresses an audio file by a factor of 10 – 12. MP3 or MPEG Layer 3 is a digital audio format developed by the Moving Picture Experts Group. We are taking a look at what they are, how they work, and explaining some of the things, good and bad, that make them different. Even if you don’t know exactly what they are, chances are you’ve heard of MP3 & WAV files. The MP3 and WAV formats are the most commonly used and the most widely known. In the sometimes complex world of digital audio formats, two file types have become the standard. WAV or MP3? This is a question that still causes much confusion.
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