>Hi
>
>Just a general question.
>Does anybody know the make up of Music Files.
>Do they contain some sort of Frequecy 'Physical' coding or do they actually hold codes for Crotchets and quavers as you would see on sheet music.
>
>Regards,
>Gerard
MIDI files are like musical notes, played by the computer. Therefore, they can be edited as notes with special software. Also, the same MIDI file can sound differently depending on the "interpreter", i.e. the computer and the installed software.
MP3 and Ogg Vorbis, on the other hand, can be considered actual sound recordings, with 1's and 0's representing changes in air pressure over time, or something of the sort. The same goes for the sound on a CD (which, when copied to the computer, would typically be a WAV file). The WAV file can be converted to MP3 or Ogg Vorbis with special software (I recommend FreeRip), but MP3 and Ogg Vorbis use lossy data compression, which greatly reduces the file size.
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