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Minor typo corrected
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John Murray committed Jul 1, 2013
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Expand Up @@ -34,7 +34,7 @@ Simply Import the project into a workspace in your NDK. Of course you should rev

**What else will I need?**

You will need two BlackBerry 10 devices and suitable audio cables to run the actual demonstration. For this configuration a BlackBerry 10 device needs to be able to believe it has an external microphone plugged in via the audio jack just like an external headset. The audio jack is a 3.5mm 4-pin (TRRS) variant and in order for a BlackBerry 10 devcie to interpret a device inserted into the socket as a "headset" there should be a specific set of impedances across the various pins.
You will need two BlackBerry 10 devices and suitable audio cables to run the actual demonstration. For this configuration a BlackBerry 10 device needs to be able to believe it has an external microphone plugged in via the audio jack just like an external headset. The audio jack is a 3.5mm 4-pin (TRRS) variant and in order for a BlackBerry 10 device to interpret a device inserted into the socket as a "headset" there should be a specific set of impedances across the various pins.

Using the standard TRRS notation with RING2 as GROUND these should be of the order:

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