What can I do if my voice sounds muffled?

Last Updated: Jun 01, 2017 01:09PM EDT
In the iPhone 5, Apple decided to move the noise-canceling microphone from the top of the iPhone, where it was located in earlier versions, to the back between the camera and flash.  In environments with background noise, if this microphone is covered, it will cause your voice to sound muffled.  However, this is very easily fixed by leaving some space between the covers when you're talking on the phone.  If the background noise can reach that microphone, the muffled sound should be eliminated.  

If you have upgraded your iPhone 5 to iOS7, there is an additional solution.  The noise-canceling microphone can be disabled by going to Settings > General > Accessibility > Phone Noise Cancelation.  Switching this OFF will prevent any interference of the sound from that rear-facing Mic.

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