public static void Main(string[] args) { var bitManipulator = new BitManipulator(); var myBits = bitManipulator.StringToBits(Resources.BigLebowskiQuote); Console.WriteLine($"Length of string in bits: {myBits.Count}"); var audioStream = new MemoryStream(); var binaryFskAnalyzerSettings = new Bell103BinaryFskAnalyzerSettings(); var audioGenerator = new AudioGenerator(audioStream); var fskAudioGenerator = new FskAudioGenerator(audioGenerator); fskAudioGenerator.GenerateAudio(binaryFskAnalyzerSettings.BaudRate, binaryFskAnalyzerSettings.SpaceFrequency, binaryFskAnalyzerSettings.MarkFrequency, myBits); var audioLengthInMicroseconds = (int)(myBits.Count * Math.Pow(10, 6) / binaryFskAnalyzerSettings.BaudRate); Console.WriteLine($"Length of audio in seconds: {audioLengthInMicroseconds / Math.Pow(10, 6):N1}"); Console.WriteLine(); Console.WriteLine(Resources.BigLebowskiQuote); Console.WriteLine(); AudioAnalyzer.Play(audioStream, audioLengthInMicroseconds / 1000); audioGenerator = new AudioGenerator(audioStream); fskAudioGenerator = new FskAudioGenerator(audioGenerator); fskAudioGenerator.GenerateAudio(binaryFskAnalyzerSettings.BaudRate, binaryFskAnalyzerSettings.SpaceFrequency, binaryFskAnalyzerSettings.MarkFrequency, myBits); var binaryFskAnalyzer = new BinaryFskAnalyzer(new AudioAnalyzer(audioStream, audioGenerator), new ZeroCrossingsFrequencyDetector(), binaryFskAnalyzerSettings); Console.WriteLine($"Window position start {binaryFskAnalyzerSettings.WindowPositionStartMicroseconds:N3} us, window position end {binaryFskAnalyzerSettings.WindowPositionEndMicroseconds:N3} us, window position increment {binaryFskAnalyzerSettings.WindowPositionIncrementMicroseconds:N3} us"); Console.WriteLine($"Window length start {binaryFskAnalyzerSettings.WindowLengthStartMicroseconds:N3} us, window length end {binaryFskAnalyzerSettings.WindowLengthEndMicroseconds:N3} us, window length increment {binaryFskAnalyzerSettings.WindowLengthIncrementMicroseconds:N3} us"); Console.WriteLine(); var result = binaryFskAnalyzer.AnalyzeSignal(); var bits = new List <bool>(); foreach (var frame in result.AnalysisFrames) { if (frame.Bit.HasValue == true) { bits.Add(frame.Bit.Value); } } Console.WriteLine("Rendering bytes"); Console.WriteLine(); var renderer = (IRenderer) new RowRenderer(); renderer.Render(BitManipulator.BitsToBytes(bits)); Console.WriteLine(); Console.WriteLine(); Console.WriteLine("Rendering ASCII"); Console.WriteLine(); renderer = new AsciiRenderer(); renderer.Render(BitManipulator.BitsToBytes(bits)); Console.WriteLine(); Console.WriteLine("Done"); Console.ReadLine(); }
public void Run(TestRunnerArguments arguments) { var fileTimestamp = DateTime.Now.ToString("yyyyMMdd_HHmmss"); var bitManipulator = new BitManipulator(); var bits = bitManipulator.StringToBits(arguments.TestString); for (var baudRate = arguments.BaudStart; baudRate <= arguments.BaudEnd; baudRate += arguments.BaudIncrement) { for (var loopBoostFrequency = arguments.BoostStart; loopBoostFrequency <= arguments.BoostEnd; loopBoostFrequency += arguments.BoostIncrement) { _binaryFskAnalyzerSettings = new Bell103BinaryFskAnalyzerSettings { SpaceFrequency = arguments.SpaceFrequency, MarkFrequency = arguments.MarkFrequency, BaudRate = baudRate, FrequencyDeviationTolerance = arguments.Tolerance }; _audioStream = new MemoryStream(); _audioGenerator = new AudioGenerator(_audioStream); _fskAudioGenerator = new FskAudioGenerator(_audioGenerator); _fskAudioGenerator.GenerateAudio(_binaryFskAnalyzerSettings.BaudRate, _binaryFskAnalyzerSettings.SpaceFrequency, _binaryFskAnalyzerSettings.MarkFrequency, bits); var audioLengthInMicroseconds = (int)(bits.Count * Math.Pow(10, 6) / _binaryFskAnalyzerSettings.BaudRate); _audioStream = new MemoryStream(); _audioGenerator = new AudioGenerator(_audioStream); _fskAudioGenerator = new FskAudioGenerator(_audioGenerator); var samples = _fskAudioGenerator.GenerateAudio(_binaryFskAnalyzerSettings.BaudRate, _binaryFskAnalyzerSettings.SpaceFrequency, _binaryFskAnalyzerSettings.MarkFrequency, bits); SignalGenerationComplete(bits.Count, audioLengthInMicroseconds, samples, _audioAnalyzer.SampleRate); if (arguments.WriteFaveFiles == true) { using (var file = File.Create($"{fileTimestamp}_{baudRate}_baud.wav")) { var previousPosition = _audioStream.Position; _audioStream.Position = 0; _audioStream.CopyTo(file); _audioStream.Position = previousPosition; } } _binaryFskAnalyzerSettings = new Bell103BinaryFskAnalyzerSettings { SpaceFrequency = (int)(arguments.SpaceFrequency + loopBoostFrequency), MarkFrequency = (int)(arguments.MarkFrequency + loopBoostFrequency), BaudRate = baudRate, FrequencyDeviationTolerance = arguments.Tolerance }; _audioAnalyzer = new AudioAnalyzer(_audioStream, _audioGenerator, (int)loopBoostFrequency); FskAnalyzer.Initialize(_audioAnalyzer, new ZeroCrossingsFrequencyDetector(), _binaryFskAnalyzerSettings); FskAnalyzer.AnalyzeSignal(arguments.TestString); if (arguments.PlayAudio == true) { AudioAnalyzer.Play(_audioStream, (int)Math.Ceiling((audioLengthInMicroseconds / Math.Pow(10, 3)))); } } } }