iTunes 4: Effects Can Cause Some Sound Fluctuation During Playback

Update to a later version of iTunes 4 if you hear a rapid fluctuation in volume in iTunes 4.0.
This article has been archived and is no longer updated by Apple.

When playing a song, the sound volume fluctuates rapidly, or you hear other distortions.


Download and install iTunes 4.0.1 or later. It is available from the Software Update pane in System Preferences, or from the iTunes website (
Last Modified: Feb 18, 2012

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