public float GetPitch()
{
if (RandomizePitch == true)
{
return(AudioFunctions.St2pitch(Pitch + GetRandomValueOffset(RandomPitch)));
}
else
{
return(AudioFunctions.St2pitch(Pitch));
}
}
public float GetVol()
{
if (RandomizeVolume == true)
{
return(AudioFunctions.DbToLinear(Volume + GetRandomValueOffset(RandomVolume)));
}
else
{
return(AudioFunctions.DbToLinear(Volume));
}
}
public float getVolume()
{
return(AudioFunctions.DbToLinear(volume));
}
public HomeViewModel()
{
GenreList = new ObservableRangeCollection <Genre>();
PredictedLabel = "Genre";
var entries = new[]
{
new ChartEntry(212)
{
Label = "What will it be?",
ValueLabel = "212",
Color = SKColor.Parse("#2c3e50")
}
};
CurrentChart = new DonutChart()
{
Entries = entries, IsAnimated = true, AnimationDuration = TimeSpan.FromSeconds(5)
};
AggChart = new DonutChart()
{
Entries = entries, IsAnimated = true, AnimationDuration = TimeSpan.FromSeconds(5)
};
recorder = new AudioRecorderService
{
StopRecordingOnSilence = false, //will stop recording after 2 seconds (default)
StopRecordingAfterTimeout = true, //stop recording after a max timeout (defined below)
TotalAudioTimeout = TimeSpan.FromSeconds(30) //audio will stop recording after 15 seconds
};
//player = new AudioPlayer();
playCommand = new Command(() =>
{
var files = Assembly.GetExecutingAssembly().GetManifestResourceNames();
Console.WriteLine($"AUDXAM ALL FILES: {files.Length} {files.ToList()} { files[0]}");
if (recorder.IsRecording != true && player.IsPlaying == false)
{
//player.Load(GetStreamFromFile());
player.Play();
var startTimeSpan = TimeSpan.Zero;
var periodTimeSpan = TimeSpan.FromMilliseconds(60);
float[] op2 = new float[10];
Array.Clear(op2, 0, op2.Length);
timer = new System.Threading.Timer((e) =>
{
if (player.IsPlaying)
{
//Console.WriteLine($"{tag} CURRENT PREDICTION: {op.Score[9]} curPos:{Convert.ToInt32(player.CurrentPosition)} M AT ZERO {featureTimeList[0].Mfcc0} AT FIVE {featureTimeList[5].Mfcc0} FINAL -> {ConsumeModel.Predict(featureTimeList[Convert.ToInt32(player.CurrentPosition)]).Score[5]}");
op = featureTimeList[Convert.ToInt32(player.CurrentPosition)];
for (int i = 0; i < 10; i++)
{
op2[i] += op[i];
}
float max_sf = 0;
int max_ind = 0;
string[] labels = "Blues, Classical, Country, Disco, HipHop, Jazz, Metal, Pop, Reggae Rock".Split(',');
for (int i = 0; i < 10; i++)
{
if (op2[i] > max_sf)
{
max_sf = op2[i];
max_ind = i;
}
}
PredictedLabel = $"{labels[max_ind]}!";
//Pass to ML.net
var entries_agg = new[]
{
new ChartEntry(op2[0])
{
Label = "Blues",
ValueLabel = $"{op2[0]}",
Color = SKColor.Parse("#2c3e50")
},
new ChartEntry(op2[1])
{
Label = "Classical",
ValueLabel = $"{op2[1]}",
Color = SKColor.Parse("#77d065")
},
new ChartEntry(op2[2])
{
Label = "Country",
ValueLabel = $"{op2[2]}",
Color = SKColor.Parse("#b455b6")
},
new ChartEntry(op2[3])
{
Label = "Disco",
ValueLabel = $"{op2[3]}",
Color = SKColor.Parse("#245e50")
},
new ChartEntry(op2[4])
{
Label = "Hiphop",
ValueLabel = $"{op2[4]}",
Color = SKColor.Parse("#3498db")
},
new ChartEntry(op2[5])
{
Label = "Jazz",
ValueLabel = $"{op2[5]}",
Color = SKColor.Parse("#263e50")
},
new ChartEntry(op2[6])
{
Label = "Metal",
ValueLabel = $"{op2[6]}",
Color = SKColor.Parse("#123456")
},
new ChartEntry(op2[7])
{
Label = "Pop",
ValueLabel = $"{op2[7]}",
Color = SKColor.Parse("#654321")
},
new ChartEntry(op2[8])
{
Label = "Reggae",
ValueLabel = $"{op2[8]}",
Color = SKColor.Parse("#526784")
},
new ChartEntry(op2[9])
{
Label = "Rock",
ValueLabel = $"{op2[9]}",
Color = SKColor.Parse("#404040")
}
};
var entries_current = new[]
{
new ChartEntry(op[0])
{
Label = "Blues",
ValueLabel = $"{op[0]}",
Color = SKColor.Parse("#2c3e50")
},
new ChartEntry(op[1])
{
Label = "Classical",
ValueLabel = $"{op[1]}",
Color = SKColor.Parse("#77d065")
},
new ChartEntry(op[2])
{
Label = "Country",
ValueLabel = $"{op[2]}",
Color = SKColor.Parse("#b455b6")
},
new ChartEntry(op[3])
{
Label = "Disco",
ValueLabel = $"{op[3]}",
Color = SKColor.Parse("#245e50")
},
new ChartEntry(op[4])
{
Label = "Hiphop",
ValueLabel = $"{op[4]}",
Color = SKColor.Parse("#3498db")
},
new ChartEntry(op[5])
{
Label = "Jazz",
ValueLabel = $"{op[5]}",
Color = SKColor.Parse("#263e50")
},
new ChartEntry(op[6])
{
Label = "Metal",
ValueLabel = $"{op[6]}",
Color = SKColor.Parse("#123456")
},
new ChartEntry(op[7])
{
Label = "Pop",
ValueLabel = $"{op[7]}",
Color = SKColor.Parse("#654321")
},
new ChartEntry(op[8])
{
Label = "Reggae",
ValueLabel = $"{op[8]}",
Color = SKColor.Parse("#526784")
},
new ChartEntry(op[9])
{
Label = "Rock",
ValueLabel = $"{op[9]}",
Color = SKColor.Parse("#404040")
}
};
//Update and draw graph
AggChart = new DonutChart()
{
Entries = entries_agg, IsAnimated = false, AnimationDuration = TimeSpan.FromMilliseconds(0)
};
//CurrentChart = new DonutChart() { Entries = entries_current, IsAnimated = false, AnimationDuration = TimeSpan.FromMilliseconds(0) };
//Console.WriteLine($"{tag} Updated chart! C {op.Score[9]} A ->{op2[9]}");
//Graph 1 -> Current prediciton
//Graph 2 -> Aggregate of predictions so far
}
else
{
player.Seek(0.0);
timer.Dispose();
}
}, null, startTimeSpan, periodTimeSpan);
}
});
recordCommand = new Command(async() =>
{
if (RecordStatus != "record")
{
PredictedLabel = "Processing audio...";
await recorder.StopRecording().ConfigureAwait(true);
if (_filePath != null)
{
//await extractFeatures();
var stream = new FileStream(_filePath, FileMode.Open);
AudioFunctions.WriteWavHeader(stream, 1, 48000, 16, (int)stream.Length - 44);
stream.Close();
player.Load(GetStreamFromFile());
//player.Play();
duration = Convert.ToInt32(player.Duration);
Console.WriteLine($"{tag} DUR: {duration}");
// player.Dispose();
extractFeatures();
//await predict
}
RecordStatus = "record";
}
else
{
PredictedLabel = "Recording...";
IsBusy = true;
RecordStatus = "stop";
var recordTask = await recorder.StartRecording().ConfigureAwait(true);
_filePath = await recordTask.ConfigureAwait(true);
//player.Play(_filePath
}
});
}
//[Test]
public void EvaluateAudioTrigger_BasicShouldReturnTrue()
{
var path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().CodeBase).Replace("file:\\", "");
//System.IO.FileStream WaveFile = System.IO.File.OpenRead(path + "\\Data\\TestAudio.wav");
//byte[] data = new byte[WaveFile.Length];
int sampleRate;
//double[] fileData = Functions.WaveFileDataPrepare(path + "\\Data\\TestAudio.wav", out sampleRate);''
List <double> fftData = new List <double>();
int BUFFERSIZE = (int)Math.Pow(2, 11); // must be a multiple of 2
WaveStream waveStream = new NAudio.Wave.WaveFileReader(path + "\\Data\\TestAudio.wav");
int bytesPerSample = (waveStream.WaveFormat.BitsPerSample / 8) * waveStream.WaveFormat.Channels;
int bytesRead = 0;
BufferedWaveProvider bwp = new BufferedWaveProvider(new WaveFormat(44100, 1));
bwp.BufferLength = BUFFERSIZE * 2;
bwp.DiscardOnBufferOverflow = true;
byte[] waveData = new byte[BUFFERSIZE * 2];
bytesRead = waveStream.Read(waveData, 0, 128 * bytesPerSample);
bwp.AddSamples(waveData, 0, bytesRead);
int frameSize = BUFFERSIZE;
byte[] frames = new byte[frameSize];
bwp.Read(frames, 0, frameSize);
var waveFormEventArgs = AudioFunctions.PrepareAudioData(frames, frameSize);
fftData.AddRange(waveFormEventArgs.FastFourierTransform);
while (bytesRead != 0)
{
bytesRead = waveStream.Read(waveData, bytesRead, 128 * bytesPerSample);
bwp.AddSamples(waveData, 0, bytesRead);
frameSize = BUFFERSIZE;
frames = new byte[frameSize];
bwp.Read(frames, 0, frameSize);
waveFormEventArgs = AudioFunctions.PrepareAudioData(frames, frameSize);
fftData.AddRange(waveFormEventArgs.FastFourierTransform);
}
//WavFile wavFile = new WavFile();
//wavFile.ReadWav(path + "\\Data\\TestAudio.wav");
//WaveFileReader reader = new WaveFileReader(path + "\\Data\\TestAudio.wav");
//List<byte> testAudio1; // = File.ReadAllBytes(path + "\\Data\\TestAudio.wav").ToList();
//int BUFFERSIZE = (int)Math.Pow(2, 14); // must be a multiple of 2
//using (var reader = new AudioFileReader(path + "\\Data\\TestAudio.wav"))
//{
// // find the max peak
// byte[] buffer = new byte[BUFFERSIZE];
// int read;
// do
// {
// read = reader.Read(buffer, 0, buffer.Length);
// } while (read > 0);
// testAudio1 = new List<byte>(buffer);
//}
Logger log = new LoggerConfiguration()
.MinimumLevel.Error()
.CreateLogger();
var audioEvaluator = new AudioEvaluator(log);
//if (testAudio1.Count() % 2 != 0)
//{
// testAudio1.RemoveAt(testAudio1.Count() - 1);
//}
var trigger = new Trigger();
trigger.Frequency1 = 645.7;
trigger.Frequency2 = 716.10;
trigger.Count = 2;
trigger.Time1 = 1;
//wavFile.FFT(false);
//var fftData = Functions.FFT(fileData);
//var fftData = wavFile._aSamples;
//var result = audioEvaluator.EvaluateAudioTrigger(trigger, fftData.ToArray());
//result.Should().BeTrue();
}
public float GetVol()
{
return(AudioFunctions.DbToLinear(Volume));
}
