Certain optical digital audio source sample rates may not work for some Intel-based Macs
Symptoms
When connected to the optical digital audio input, 32 kHz (kilohertz) and 88.2 kHz audio input sample rates may not work on Intel-based Macintosh computers. The audio may be damaged or non-existent.
Products Affected
MacBook Pro (15-inch 2.4/2.2GHz) , MacBook (13-inch), MacBook (13-inch Mid 2007), MacBook (13-inch Late 2006), MacBook, Mac Pro, MacBook (13-inch Late 2007), Mac Pro (Early 2008), MacBook (13-inch, Late 2008), MacBook (13-inch, Aluminum, Late 2008), Mac Pro (Early 2009)
Resolution
Using sample rates of 44.1 kHz, 48 kHz, or 96 kHz when connected to the optical digital audio input may correct this condition.