public OneEuroFilter(double minCutoff, double beta)
{
firstTime = true;
this.minCutoff = minCutoff;
this.beta = beta;
xFilt = new LowpassFilter();
dxFilt = new LowpassFilter();
dcutoff = 1;
}
static void Filter()
{
var mic = new Mic();
var lowpassFilter = new LowpassFilter();
var equalizer = new Equalizer();
var highpassFilter = new HighpassFilter();
var speaker = new Speaker();
var cable1 = new Cable();
var cable2 = new Cable();
var cable3 = new Cable();
var cable4 = new Cable();
mic.OutputJacks[0].Connect(cable1);
lowpassFilter.InputJacks[0].Connect(cable1);
lowpassFilter.OutputJacks[0].Connect(cable2);
equalizer.InputJacks[0].Connect(cable2);
equalizer.OutputJacks[0].Connect(cable3);
highpassFilter.InputJacks[0].Connect(cable3);
highpassFilter.OutputJacks[0].Connect(cable4);
speaker.InputJacks[0].Connect(cable4);
mic.TurnOn();
speaker.TurnOn();
foreach (Equalizer.Frequencies frequency in Enum.GetValues(typeof(Equalizer.Frequencies)))
{
equalizer.SetFilter(frequency, 16);
}
while (true)
{
Console.ReadLine();
}
}
public AudioProcessor(Publisher publisher, string outlet = null)
{
using WasapiCapture capture = new WasapiLoopbackCapture(CAPTURE_LATENCY);
capture.Initialize();
channelNum = capture.WaveFormat.Channels;
systemSampleRate = capture.WaveFormat.SampleRate;
using SoundInSource captureSource =
new SoundInSource(capture)
{
FillWithZeros = false
};
using SimpleNotificationSource notificationSource =
new SimpleNotificationSource(FluentExtensions.ToSampleSource(captureSource))
{
Interval = PROCESS_WINDOW_LENGTH
};
InitializeMonoBuffers(monoBuffers, channelNum, notificationSource.BlockCount);
blockBuffer = new float[notificationSource.BlockCount * channelNum];
lpf = new LowpassFilter(systemSampleRate, LFE_CUTOFF);
MonoPulseDetector =
new SimplePulseDetector(monoBuffers, lfeProvided: false, biQuadFilter: lpf);
localisationer = new Localisationer(monoBuffers);
if (channelNum > 2)
{
LFEPulseDetector =
new SimplePulseDetector(monoBuffers, lfeProvided: true);
}
capture.DataAvailable += (s, e) =>
{
while (notificationSource.Read(blockBuffer, 0, notificationSource.BlockCount * channelNum) > 0)
{
monoBuffers = Deinterlacing(monoBuffers,
blockBuffer,
channelNum);
if (LFEPulseDetector != null)
{
bool m = MonoPulseDetector.Predict();
bool l = LFEPulseDetector.Predict();
if (m || l)
{
double angle = localisationer.GetLoudestAngle();
#if DEBUG
Console.Clear();
Console.WriteLine($"LFE Level: {LFEPulseDetector.CurrentReading:F3}, LFE Threshold: {LFEPulseDetector.CurrentThreshold:F3}");
Console.WriteLine($"Mixed Level: {MonoPulseDetector.CurrentReading:F3}, Mixed Threshold: {MonoPulseDetector.CurrentThreshold:F3}");
Console.WriteLine($"Impulse Detected - Mono:{m}, LFE:{l}, Angle: {angle:F3}, Hit Count:{hitCount}");
#endif
if (publisher != null && outlet != null)
{
publisher.Publish(outlet, $"{m}|{l}|{angle:F3}");
}
hitCount++;
}
}
else
{
if (MonoPulseDetector.Predict())
{
double angle = localisationer.GetLoudestAngle();
#if DEBUG
Console.Clear();
Console.WriteLine($"Level: {MonoPulseDetector.CurrentReading:F3}, Threshold: {MonoPulseDetector.CurrentThreshold:F3}");
Console.WriteLine($"Impulse Detected - Mono, Angle:{angle:F3}, Hit Count:{hitCount}");
#endif
if (publisher != null && outlet != null)
{
publisher.Publish(outlet, $"True|False|{angle:F3}");
}
hitCount++;
}
}
}
};
StartCapturingAndHold(capture);
}
//constructor
public Filters(double trendcutoff, double denoisecutoff, double tiltcutoff, double tiltpeakcutoff)
{
Trend = new LowpassFilter(trendcutoff);
Denoise = new LowpassFilter(denoisecutoff);
Tilt = new LowpassFilterCutoff(tiltcutoff, tiltpeakcutoff);
}
public YM2608()
{
// にゃーん
lpf = new LowpassFilter(SampleFreq);
}
