Error '!dat' trying to set the (null) audio devices' sample rate

Question

I am trying to play an audio clip (using AVAudioPlayer) and a video clip (using MPMoviePlayerController), both of which were working.

I then checked the files into S

Answer 1

I had the same problem. Here is what I did:

• Close xcode and the iOS simulator
• Unplug the headphone jack and any usb headphones you might have
• Restart xcode and run your simulation (problem should be solved)
• Plug back in any audio devices you want to use

Answer 2

Did another reinstall and it finally worked. Still no idea what the problem was

Answer 3

had the same problem for several days (extremely annoying). I managed to fix it by changing the input settings for audio under system preferences.

System Preferences -> Sound -> Input