ITunes
From Wikicliki
converting text into audiobook for itunes
a free script that installs a service on the Mac that will convert selected text into a spoken audiobook: http://hints.macworld.com/article.php?story=2008050623341520
Alternative: Lips - http://superpixel.ch/software/lips/
troubleshooting - start stop problems
if itunes is starting and stopping play randomly, the issue may be a loose connection between headphone/mic cable or an issue with the headphone plug itself. osX detects the disconnect and reconnection and causes itunes to start and stop irrespective of whether itunes was running in the first place.