title: How can I record 2 microphone in Android simultaneously?
body: <p>I'm trying to record audio signals from 2 in-built microphone(bottom, top) at the same time. I can pick up bottom microphone signal using </p>
  
  <pre><code>MediaRecorder.AudioSource.MIC
  </code></pre>
  
  <p>and top microphone signal using </p>
  
  <pre><code>MediaRecorder.AudioSource.CAMCORDER
  </code></pre>
  
  <p>I can record separately but I want to record at the same time from 2 microphones. 
  Does anyone know how to record simultaneously?
  I tried &amp; or | operator but I can get only 1 channel signal.</p>
  
  <p>I use Galaxy S2 device.</p>
  
  <p>I will appreciate any response :)
  Thanks in advance.</p>