title: How to Find Frequency while recording voice in iphone?
body: <p>In my application i have done to record the voice and playing in the device.
  Now i want to find the audio frequency of that recorded voice(While recording). How can i find?.I dont have any idea. I have downloaded "aurio Touch" program.But its too difficult to understand me. So is there any tutorials are avilable(in iPhone)?. How can i achieve this?</p>
  
  <p>Please guide me.</p>
  
  <p>Thanks.</p>