private void startRecordingButton_Click(object sender, EventArgs e)
{
if (wavRecorder == null)
{
wavRecorder = new WAVRecorder();
wavRecorder.SampleRate = 16000;
wavRecorder.StorageDuration = 10;
}
if (!wavRecorder.IsRecording)
{
recognizeButton.Enabled = false;
recordingButton.Text = "Stop recording";
wavRecorder.Start();
}
else
{
wavRecorder.Stop();
byte[] recordedBytes = wavRecorder.GetAllRecordedBytes();
if (recordedBytes != null)
{
if (recordedBytes.Length > 0)
{
WAVSound sound = new WAVSound("", wavRecorder.SampleRate, wavRecorder.NumberOfChannels, wavRecorder.NumberOfBitsPerSample);
sound.AppendSamplesAsBytes(recordedBytes);
sound.SetMaximumNonClippingVolume();
soundVisualizer.SetSound(sound);
}
}
recordingButton.Text = "Start recording";
recognizeButton.Enabled = true;
}
}
private void recognizeButton_Click(object sender, EventArgs e)
{
WAVSound copiedTestSound = soundVisualizer.Sound.Copy();
if (setMaximumNonclippingVolumeToolStripMenuItem.Checked)
{
copiedTestSound.SetMaximumNonClippingVolume();
soundVisualizer.SetSound(copiedTestSound);
}
recognitionResult = recognizer.RecognizeSingle(copiedTestSound);
// 20170114
if (recognitionResult == null)
{
recognitionResultTextBox.Text = "No sound data!";
return;
}
// end 20170114
deviationListBox.Items.Clear();
for (int ii = 0; ii < recognitionResult.DeviationList.Count; ii++)
{
deviationListBox.Items.Add(recognitionResult.DeviationList[ii].Item1.PadRight(16) + " " +
recognitionResult.DeviationList[ii].Item2.ToString("0.0000"));
}
if (recognitionResult.DeviationList.Count > 0)
{
if (recognitionResult.DeviationList[0].Item2 < recognizer.RecognitionThreshold)
{
recognitionResultTextBox.Text = recognitionResult.DeviationList[0].Item1;
}
else
{
recognitionResultTextBox.Text = "UNKNOWN";
}
featureComparisonComboBox.Items.Clear();
if (recognizer.AverageSoundFeatureSetList.Count > 0)
{
for (int ii = 0; ii < recognizer.AverageSoundFeatureSetList[0].FeatureList.Count; ii++)
{
featureComparisonComboBox.Items.Add(recognizer.AverageSoundFeatureSetList[0].FeatureList[ii].Name);
}
featureComparisonComboBox.SelectedIndex = 0;
}
}
}
