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);
}
public AudioProcessor(Publisher publisher, string outlet = null)
{
WasapiCapture capture = new WasapiLoopbackCapture(CAPTURE_LATENCY);
capture.Initialize();
channelNum = capture.WaveFormat.Channels;
systemSampleRate = capture.WaveFormat.SampleRate;
SoundInSource captureSource =
new SoundInSource(capture)
{
FillWithZeros = false
};
SimpleNotificationSource notificationSource =
new SimpleNotificationSource(FluentExtensions.ToSampleSource(captureSource))
{
Interval = PROCESS_WINDOW_LENGTH
};
InitializeMonoBuffers(pcmBuffers, channelNum, notificationSource.BlockCount);
blockBuffer = new float[notificationSource.BlockCount * channelNum];
capture.DataAvailable += (s, e) =>
{
while (notificationSource.Read(blockBuffer, 0, notificationSource.BlockCount * channelNum) > 0)
{
// Extracted audio signal
pcmBuffers = Deinterlacing(pcmBuffers,
blockBuffer,
channelNum);
CSCore.Utils.Complex[] data = new CSCore.Utils.Complex[pcmBuffers[0].Length];
for (int i = 0; i < pcmBuffers.Count; i++)
{
data[i].Real = pcmBuffers[0][i];
data[i].Imaginary = 0;
}
//DetectPitch(pcmBuffers);
counter++;
if (counter % 30 == 0)
{
Console.Clear();
FastFourierTransformation.Fft(data, 8);
//Console.WriteLine(data.Length);
foreach (var d in data)
{
Console.Write(Math.Round(d.Value, 4) + " ");
}
Console.WriteLine();
}
// TODO: Implement your model
//publisher.Publish(outlet, "OUTPUT MESSAGE TO NEXT OUTLET");
}
};
StartCapturingAndHold(capture);
}