AudioServices is a group of C functions in AudioToolbox for playing short (≤30 seconds) sounds. Predefined sounds There are some predefined system sounds, for the system sound ID in the range 1000 to 2000 (decimal), as shown below (from 2.0 to 5.0 beta). The system sounds are all stored in /System/Library/Audio/UISounds/. Sound ID File name (iPhone) File name (iPod Touch) Category Note
