Empirical Labs

The Format Wars (Part2) – AAC – Sonnox Fraunhofer Pro-Codec

Hey Labfans, today we are doing a very special series of threads that will  help us evaluate encoding/decoding lossy media formats.

  • We will use Sonnox Fraunhofer Pro-Codec to achieve this. The pluggin is one of a kind. It offers real-time streaming (and offline) of the most common lossy and lossless media formats.
  • For more information visit :http://www.sonnoxplugins.com/pub/plugins/products/Pro-Codec-Product_Info.htm
  • From A mixing/mastering perspective Fraunhofer is priceless, it can help us ‘bypass’ the format by mixing through it, at least to some degree that is.

Settings above


AAC – LC – 320kbs



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Splendid! Very little deformation

Here is a micro-scale


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Almost none existent



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Here we can see no additional harmonics, but rather a fundamental implementation looks strange. Percentage is splendid!


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Very mild



Excellent! As far as lossy media formats AAC takes the cake!




Personal Quote:  Youtube natively converts any media that is uplaoded to AAC. More can be found here: http://en.wikipedia.org/wiki/Youtube





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