Hit n Mix graphic representation of a music file
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MP3 stripping software gives music sampling a boost

Sampling music could soon be easier with software that extracts each musical instrument from an audio file.

Hit n Mix takes an MP3 or similar file and samples each constituent part.

It is then easy to use a computer to adjust the pitch or other properties of each instrument.

Its developer, Martin Dawe, shows how to use it to change the BBC News theme for a BBC News website feature.

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