public void AnalyzeSignal_KnownSignal_ReturnsExpectedValues()
{
var audioStream = new MemoryStream();
var audioGenerator = new AudioGenerator(audioStream);
var fskAudioGenerator = new FskAudioGenerator(audioGenerator);
fskAudioGenerator.GenerateAudio(_binaryFskAnalyzerSettings.BaudRate,
_binaryFskAnalyzerSettings.SpaceFrequency, _binaryFskAnalyzerSettings.MarkFrequency,
_bitManipulator.StringToBits(Resources.LoremIpsumTestString));
var audioAnalyzer = new AudioAnalyzer(audioStream, audioGenerator);
var binaryFskAnalyzer = (IBinaryFskAnalyzer) new BinaryFskAnalyzer(audioAnalyzer, new ZeroCrossingsFrequencyDetector(), _binaryFskAnalyzerSettings);
var results = binaryFskAnalyzer.AnalyzeSignal();
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);
}
}
var ascii = BitManipulator.BitsToString(bits);
Assert.AreEqual(Resources.LoremIpsumTestString, ascii);
}
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();
}
