private void Equal()
{
//CSCore.SoundOut.WaveOutDevice.DefaultDevice;
const string filename = @"C:\Temp\test.mp3";
EventWaitHandle waitHandle = new AutoResetEvent(false);
try
{
//create a source which provides audio data
using (var source = CodecFactory.Instance.GetCodec(filename))
{
//create the equalizer.
//You can create a custom eq with any bands you want, or you can just use the default 10 band eq.
Equalizer equalizer = Equalizer.Create10BandEqualizer(FluentExtensions.ToSampleSource(source));
//create a soundout to play the source
ISoundOut soundOut;
if (WasapiOut.IsSupportedOnCurrentPlatform)
{
soundOut = new WasapiOut();
}
else
{
soundOut = new DirectSoundOut();
}
soundOut.Stopped += (s, e) => waitHandle.Set();
IWaveSource finalSource = equalizer.ToWaveSource(16); //since the equalizer is a samplesource, you have to convert it to a raw wavesource
soundOut.Initialize(finalSource); //initialize the soundOut with the previously created finalSource
soundOut.Play();
/*
* You can change the filter configuration of the equalizer at any time.
*/
equalizer.SampleFilters[0].AverageGainDB = 20; //eq set the gain of the first filter to 20dB (if needed, you can set the gain value for each channel of the source individually)
//wait until the playback finished
//of course that is optional
waitHandle.WaitOne();
//remember to dispose and the soundout and the source
soundOut.Dispose();
}
}
catch (NotSupportedException ex)
{
Console.WriteLine("Fileformat not supported: " + ex.Message);
}
catch (Exception ex)
{
Console.WriteLine("Unexpected exception: " + ex.Message);
}
}
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);
}