Audio Recording in Stereo giving same data in Left and Right channels

Question

I am trying to record and process audio data based on differences in what gets recorded in the left and right channel. For this I am using Audio Record class, with MIC as in

Answer 1

You cannot obtain a stereo input in this way on your device.

Although the Nexus 4 has two microphones, they are not intended for stereo recording, but instead are likely for background noise cancellation.

See https://groups.google.com/forum/#!topic/android-platform/SptXI964eEI where various low-level modifications of the audio system are discussed in an attempt to accomplish stereo recording.