using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace ConsoleApplication2
{
    class Program
    {
        public static void Main(string[] args)
        {
            string _FileName = "D:\\Uczelnia\\Technologie multimedialne\\LAB2\\audio.mp3";
            byte[] p;
            p = File.ReadAllBytes(_FileName);
            byte[] Stm = StereoToMono(p);

            for (int i = 0; i < Stm.Length; i++)
            {
                Console.Out.WriteLine(Stm[i]);
            }
            Console.ReadKey();

        }
        public static byte[] StereoToMono(byte[] input)
        {
            byte[] output = new byte[input.Length / 2];
            int outputIndex = 0;
            try
            {
                for (int n = 0; n < input.Length; n += 4)
                {
                    output[outputIndex++] = input[n];
                    output[outputIndex++] = input[n + 1];
                }
            }
            catch (Exception e)
            {
                return output;
            }
            return output;
        }


        private byte[] MonoToStereo(byte[] input)
        {
            byte[] output = new byte[input.Length * 2];
            int outputIndex = 0;
            try
            {
                for (int n = 0; n < input.Length; n += 2)
                {

                    output[outputIndex++] = input[n];
                    output[outputIndex++] = input[n + 1];

                    output[outputIndex++] = input[n];
                    output[outputIndex++] = input[n + 1];
                }
            }
            catch (Exception e)
            {
                return output;
            y}
            return output;
        }




    }
}