private static int test09_ReadWrite16BitsMono__double__WAVFile()
        {
            WAV_file my_wav_file = new WAV_file();
            my_wav_file.File_name = "test03_A440_16_Bits_Mono.wav";
            Console.WriteLine("Nome: " + my_wav_file.File_name);
            my_wav_file.Path = ".\\";
            // my_wav_file.Path = ".\\Debug\\wav_files\\";
            Console.WriteLine("Path: " + my_wav_file.Path);
            my_wav_file.loadFile();
            Console.Write(my_wav_file.toWAVHeaderString());

            double[] buffer_double_mono;
            uint numberOfSamples = (uint)my_wav_file.getBuffer_double_mono_normalized(out buffer_double_mono);

            // Buffer processing.
            Console.WriteLine();
            Console.WriteLine();
            for (uint i = 0; i < numberOfSamples; i++)
            {
                //		Console.Write( buffer_double_mono[i].toString() +  ".");
            }
            Console.WriteLine();
            Console.WriteLine();

            // We are going to save the file on the hard drive with another name.
            my_wav_file.File_name = "test09_A440_16_Bits_Mono.wav";
            my_wav_file.initializeWaveHeaderStructBeforeWriting();
            my_wav_file.setBuffer_double_mono_normalized(buffer_double_mono);
            my_wav_file.writeFile();
            return 0;
        }