Step1ReverseWav.cs

string forwardsWavFilePath = @"C:\ForwardsWavFile.wav";

byte[] forwardsWavFileStreamByteArray = PopulateForwardsWavFileByteArray(forwardsWavFilePath);

private static byte[] PopulateForwardsWavFileByteArray(string forwardsWavFilePath)
{
    byte[] forwardsWavFileStreamByteArray;
    using (FileStream forwardsWavFileStream = new FileStream(forwardsWavFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))
    {
        forwardsWavFileStreamByteArray = new byte[forwardsWavFileStream.Length];
        forwardsWavFileStream.Read(forwardsWavFileStreamByteArray, 0, (int) forwardsWavFileStream.Length);
    }
    return forwardsWavFileStreamByteArray;
}