So what does this compression do to your audio, what are the limitations of these formats, and to what audible artifacts does the data compression give rise? Frequency Response & Dynamic Range
All these sources use 'lossy' data-compressed audio formats. The MP3 player, iPod, iTunes and various download formats are now ubiquitous parts of many consumers' listening experience, and let's not forget that many people experience music and other multimedia entertainment via streaming sources such as YouTube, Pandora, Spotify and SoundCloud. Later generations of converters have sounded much better, making the CD a pretty good format compared to its predecessors. However, it was often criticised for sounding 'brittle' or 'harsh' in the early days - a characteristic that can be blamed on the early generations of analogue-to-digital (A-D) and digital-to-analogue (D-A) converters. When Compact Disc came along, it offered a relatively convenient format with stable and consistent playback speeds, an increased dynamic range, no added format-induced background noise, and no degradation of the storage medium each time it was played. Listen to some vinyl and cassette and you're going to experience (on one format or the other) limited dynamic range, wow and flutter, clicks and pops, background noise, tonal inconsistencies, and degraded quality, to name a few.
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Can you hear the difference between an MP3 and a WAV file? We explain how lossy audio data compression works, and how to spot the tell-tale signs it leaves behind.Īnalogue consumer dissemination formats for audio have all had their problems.
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