gistfile1.txt

using System;
using System.Collections.Generic;
using System.Linq;
using MonoTouch.Foundation;
using MonoTouch.UIKit;
using MonoTouch.AddressBook;
using MonoTouch.AudioToolbox;

namespace Test
{
	public class Application
	{
		static void Main (string[] args)
		{
			UIApplication.Main (args);
		}
	}

	public partial class AppDelegate : UIApplicationDelegate
	{
		public AudioStreamBasicDescription SetupAudioFormat (AudioFormatType type)
		{
			var desc = new AudioStreamBasicDescription ();
			desc.Format = type;
			desc.SampleRate = 44100; 
			desc.BytesPerFrame = 4;
			desc.ChannelsPerFrame = 2;
			
			if (type == AudioFormatType.LinearPCM){
				// Configure PCM
				desc.FormatFlags = 12; // AudioFormatFlags.LinearPCMIsSignedInteger | AudioFormatFlags.LinearPCMIsPacked;
				desc.BitsPerChannel = 16;
				desc.BytesPerPacket = (desc.BitsPerChannel / 8) * desc.ChannelsPerFrame;
				desc.FramesPerPacket = 1;
			}
			return desc;
			
		}
		
		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
		{
			AudioSession.Category = AudioSessionCategory.RecordAudio;
			AudioSession.SetActive (true);
			
			var desc = SetupAudioFormat (AudioFormatType.LinearPCM);
			
			var capture = new InputAudioQueue (desc);
			window.MakeKeyAndVisible ();
			return true;
		}
	}
}