how do i check whether a music fil is a transcode?

[tralalala]

hiya everybody..


does anyone know of a quick and simple way of checking whether a music file is transcoded or not..??



thanks :)

[tralalala]

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[Channer]

a spectral analysis from programs like Cool Edit / Adobe Audition and looking at the 'cut off' point.
Flac cuts off at around 20,500 hz
128 mp3 cuts off at around 16,000 hz
320 mp3 around 18,000 hz
Hope this helps