Windows Media Audio Lossless
DeveloperMicrosoft
LicenseProprietary
Current version9

Windows Media Audio Lossless (WMA Lossless)

http://www.microsoft.com/windows/windowsmedia/forpros/codecs/audio.aspx

The audio quality of content that is compressed using this codec is the best of all Windows Media Audio codecs. It creates a bit-for-bit duplicate of the original audio file so that no data is lost, which makes it ideal for archiving content masters.

Depending on the complexity of the original, content will be compressed at a 2:1 or 3:1 ratio. Although this is lower than the ratio achieved with other Windows Media Audio 9 Series codecs, it provides the same benefits of compression while leaving the data intact.

Like Windows Media Audio 9 Professional, the Windows Media Audio 9 Lossless codec also offers dynamic range control using the maximum and average audio amplitudes that are calculated during the encoding process. Using the Quiet Mode feature in Windows Media Player 9 and later, users can hear the full dynamic range, a medium difference range up to 12 dB above the average, or a little difference range up to 6 dB above the average.

Last modified 25th May 2010

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Astell& Kern AK Jr @ Sound Fidelity

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