GarageBand Mystery Solved, thanks to Chris Breen and the iLifeZone

Until very recently, I was using Audio Hijack Pro to record my podcast. I would select CD quality as my output file which in the case of Audio Hijack is an uncompressed AIFF file.

When I attempted to import the file directly into GarageBand to add music, credits, disclaimers, etc., the audio would play sloooooowwwwwly. I couldn’t understand why. Some of my co-workers in the audio production department at Audible suggested that it might have been a problem with the way the application wrote the headers on the files. Subsequently, I would convert the AIFF file to WAV and upon import into GarageBand, the WAV file would play just fine.

While listening to Episode #18 of the iLifeZone, Chris Breen (of MacWorld and PlayList magazine fame) “turned up the geek knob” (his words) and explained the problem, although in a different context:

I was recording at a 48 kHz sample rate. GarageBand expects a sample rate 44.1 kHz and more importantly, it’s not designed to downsample the file in order to play it back properly.

Who woulda thunk it?

😉

Now I’ll know what to do when it happens in the future. Thanks to the iLifeZone gang for the solution.

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