--- my code --- -(void)unloadSoundEfx { [[SimpleAudioEngine sharedEngine] unloadEffect:@"ChainLinkOpenedSound.mp3"]; [[SimpleAudioEngine sharedEngine] unloadEffect:@"ChainLinkClosedSound.mp3"]; [[SimpleAudioEngine sharedEngine] unloadEffect:@"ObjectSelectedSound.wav"]; [[SimpleAudioEngine sharedEngine] unloadEffect:@"ObjectDeselectedSound.mp3"]; [[SimpleAudioEngine sharedEngine] unloadEffect:@"chainsIntro.mp3"]; [[SimpleAudioEngine sharedEngine] unloadEffect:@"chainsOutro.mp3"]; } -(void)dealloc { [self unloadSoundEfx]; [super dealloc]; } ----- Console Output ------------ -[SimpleAudioEngine unloadEffect:] [Line 181] UNLOADING EFFECT => SoundId: 0, Name: ChainLinkOpenedSound.mp3 2010-01-22 05:29:47.236 Puzzled Keiki[24824:207] Denshion: Found attached source 3 2472 2472 2010-01-22 05:29:47.237 Puzzled Keiki[24824:207] Denshion: Found attached source 5 2472 2472 2010-01-22 05:29:47.237 Puzzled Keiki[24824:207] Denshion: Found attached source 7 2472 2472 2010-01-22 05:29:47.238 Puzzled Keiki[24824:207] Denshion: buffer 0 successfully unloaded 2010-01-22 05:29:47.239 Puzzled Keiki[24824:207] -[SimpleAudioEngine unloadEffect:] [Line 181] UNLOADING EFFECT => SoundId: 9, Name: ChainLinkClosedSound.mp3 2010-01-22 05:29:47.240 Puzzled Keiki[24824:207] Denshion: Found attached source 9 2473 2473 2010-01-22 05:29:47.241 Puzzled Keiki[24824:207] Denshion: Found attached source 10 2473 2473 2010-01-22 05:29:47.242 Puzzled Keiki[24824:207] Denshion: Found attached source 12 2473 2473 2010-01-22 05:29:47.243 Puzzled Keiki[24824:207] Denshion: Found attached source 13 2473 2473 2010-01-22 05:29:47.247 Puzzled Keiki[24824:207] Denshion: Found attached source 15 2473 2473 2010-01-22 05:29:47.248 Puzzled Keiki[24824:207] Denshion: Found attached source 16 2473 2473 2010-01-22 05:29:47.249 Puzzled Keiki[24824:207] Denshion: buffer 9 successfully unloaded 2010-01-22 05:29:47.250 Puzzled Keiki[24824:207] -[SimpleAudioEngine unloadEffect:] [Line 181] UNLOADING EFFECT => SoundId: 10, Name: ObjectSelectedSound.wav 2010-01-22 05:29:47.252 Puzzled Keiki[24824:207] Denshion: Found attached source 2 2468 2468 2010-01-22 05:29:47.253 Puzzled Keiki[24824:207] Denshion: Found attached source 4 2468 2468 2010-01-22 05:29:47.254 Puzzled Keiki[24824:207] Denshion: Found attached source 6 2468 2468 2010-01-22 05:29:47.255 Puzzled Keiki[24824:207] Denshion: Found attached source 8 2468 2468 2010-01-22 05:29:47.256 Puzzled Keiki[24824:207] Denshion: Found attached source 11 2468 2468 2010-01-22 05:29:47.257 Puzzled Keiki[24824:207] Denshion: Found attached source 14 2468 2468 2010-01-22 05:29:47.258 Puzzled Keiki[24824:207] Denshion: buffer 10 successfully unloaded 2010-01-22 05:29:47.259 Puzzled Keiki[24824:207] -[SimpleAudioEngine unloadEffect:] [Line 181] UNLOADING EFFECT => SoundId: 11, Name: ObjectDeselectedSound.mp3 2010-01-22 05:29:47.259 Puzzled Keiki[24824:207] Denshion: buffer 11 successfully unloaded 2010-01-22 05:29:47.260 Puzzled Keiki[24824:207] -[SimpleAudioEngine unloadEffect:] [Line 181] UNLOADING EFFECT => SoundId: 12, Name: chainsIntro.mp3 2010-01-22 05:29:47.261 Puzzled Keiki[24824:207] Denshion: Found attached source 1 2471 2471 2010-01-22 05:29:47.261 Puzzled Keiki[24824:207] Denshion: buffer 12 successfully unloaded 2010-01-22 05:29:47.263 Puzzled Keiki[24824:207] -[SimpleAudioEngine unloadEffect:] [Line 181] UNLOADING EFFECT => SoundId: 13, Name: chainsOutro.mp3 2010-01-22 05:29:47.264 Puzzled Keiki[24824:207] *** -[CFNumber intValue]: message sent to deallocated instance 0xe619580