QDX
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QDX is an old lossy audio compression format, designed for portable multimedia players with small amount of memory.
[edit] Overview
QDX files are encoded at 128kbps but bitrate can be "peeled" so that lower bitrate stream can be extratced and saved on portable player (up to 2.5 hours of music on a 32MB) without need of transcoding, which is called Fit-To-Media.
What is more, this format is resistant to dropouts while streaming, which is called Fit-To-Stream.
QDX format also offers DRM info, which prevents from unauthorized use of those files.
[edit] Hardware support
iriver iDP-100 can play QDX files [1]
[edit] External links
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