Every time GarageBand exports a song, it first creates an uncompressed mixdown file, called Output.aif. It then compresses this file into the file that you actually see. If you ever want to access the raw, uncompressed file, you can do this:
  1. Initiate the export. GarageBand says it's creating the mixdown.
  2. Open up Activity Monitor (Applications » Utilities » Activity Monitor) and select the GarageBand process.
  3. Press the Inspect button at the top.
  4. Select the Open Files and Ports tab. Copy the contents of it into a text editor.
  5. Search the text for Output; it's usually on the last line.
  6. Copy the path to the clipboard -- it will be something long and ugly like /private/var/ folders/8c/8c6KjuqYGKCLxYlDtiJFJk+++TI/ -Tmp-/GarageBand/Export/Output.aif (robg says: Note that spaces were added to the path shown here to allow line breaks; the real path won't have spaces, of course.).
  7. Open up Terminal (App...
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    This entry was posted on Monday, December 1st, 2008 at 4:30 pm and is filed under News. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.