Initial commit

Recorder.cs

@@ -0,0 +1,37 @@
+using NAudio.Wave;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace SoundThermo
+{
+	class Recorder
+	{
+		const int RECORDING_RATE = 44100;
+		private WaveInEvent device;
+		public List<float> samples;
+
+		public Recorder(WaveInEvent device)
+		{
+			this.device = device;
+		}
+
+		public async Task Record(float duration)
+		{
+			device.WaveFormat = WaveFormat.CreateIeeeFloatWaveFormat(RECORDING_RATE, 1);
+			samples = new List<float>();
+			device.DataAvailable += OnDataAvailable;
+			device.StartRecording();
+			await Task.Delay((int)(duration * 1000));
+			device.StopRecording();
+		}
+
+		private void OnDataAvailable(object sender, WaveInEventArgs e)
+		{
+			var buffer = new WaveBuffer(e.Buffer);
+			for (int i = 0; i < e.BytesRecorded / 4; i++)
+			{
+				samples.Add(buffer.FloatBuffer[i]);
+			}
+		}
+	}
+}