SoundEngine of Apple – nice source for play small sounds in game and other applications. (Crash Landing) Support caf, aiff and some others formats. But needed convert to special bitrate and KHz This format needed for looping/repeats sound Example: afconvert -v -d LEI16@44100 -f caff ~/Desktop/Sound.wav ~/Desktop/Sound.caf Other examples: afconvert -d aac -f caff ~/Desktop/Sound.wav [...]