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i create a audio unit extension app in xcode template then i run the project in simulator is successful but when i try to run the project in my real device the program crash like this how to solve this problem, please tell me, thank you.

I found a lot of information, but i still have no idea of how to custom AudioUnit(not AVAudioUnit or AUAudioUnit), i mean if there is any way i can make my own AudioUnit like this, i do know this is AudioUnit provided by Apple. Now i want to make my own AudioUnit by this way. AudioComponentDescription audioDesc; audioDesc.componentType = kAudioUnitType_Output; audioDesc.componentSubType = kAudioUnitSubType_RemoteIO; audioDesc.componentManufacturer = kAudioUnitManufacturer_Apple; audioDesc.componentFlags = 0; audioDesc.componentFlagsMask = 0; AudioComponent inputComponent = AudioComponentFindNext(NULL, &audioDesc); AudioComponentInstanceNew(inputComponent, &audioUnit); if you have any idea, please tell me, thank you!