It is usually only found embedded in third-party software (such as iTunes and Windows Media Player) with the applicable licenses paid by the software manufacturers. The Fraunhofer MP3 encoder is not available for download or purchase as a standalone encoder. So, contrary to popular belief, the MP3 format is not an “open” or “free” format. Fraunhofer IIS own and control the world-wide licensing for the MP3 format. The Fraunhofer Society in Germany were amongst a group of organizations in the Motion Picture Experts Group (MPEG) that developed the MP3 (MPEG-1 Audio Layer III) encoding format in the early 1990s. MP3 Encoder Choices for PodcastsĪs a podcaster you essentially have two choices of which MP3 encoder to use to encode your podcasts either the Fraunhofer encoder or the LAME encoder.
This makes MP3s very attractive if you’re a podcaster as you can retain reasonable audio quality whilst reducing the download times of your podcasts and their associated storage requirements.
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You are very unlikely to hear the triangle! In this scenario the MP3 encoder decides that the tour bus is a bit full and fires the triangle player, in so doing saving much needed space.Ī typical MP3 encoded at 128 kbps uses approximately one tenth of the data to store audio compared to uncompressed CD specification source material. They do this via a method of lossy compression using “perceptual coding” and “psychoacoustic” techniques to discard certain audio data that the human auditory system cannot hear.The result saves data and can sound virtually indistinguishable from the original source material to the majority of listeners.Ī useful analogy to help explain this is if you imagine a rock band playing at full volume with a triangle player lurking amongst the amplifier cabinets. MP3s are a convenient way of storing digital audio data in a highly efficient manner. The de facto standard for audio podcasts is the ubiquitous MP3. Is this a fair situation? Can YOU actually tell the difference yourself? Amongst the podcasting fraternity the debate over “what is the best MP3 encoder to use for podcasts” has raged for a quite while, although the general consensus seems to have swung in one particular direction.
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