/// <summary>
/// The Microphone.BufferReady event handler.
/// Gets the audio data from the microphone and stores it in a buffer,
/// then writes that buffer to a stream for later playback.
/// Any action in this event handler should be quick!
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void microphone_BufferReady(object sender, EventArgs e)
{
double db = 0.0;
//// Store the audio data in a stream
//stream.Write(buffer, 0, buffer.Length);
uint min = FreqAnalyzer.GetLowerPowerOfTwo((uint)this.microphone.GetData(this.buffer));
double[] input = new double[min / 2];
short[] numArray2 = new short[min / 2];
Buffer.BlockCopy(this.buffer, 0, numArray2, 0, (int)(min / 2));
int num3 = 0;
short[] numArray3 = numArray2;
for (int i = 0; i < numArray3.Length; i++)
{
float num4 = numArray3[i];
input[num3++] = num4;
}
Complex[] complexArray = FreqAnalyzer.FFT(input, true);
double num5 = 0.0;
for (int j = 0; j < complexArray.Length; j++)
{
num5 += 20.0 * Math.Log10(Math.Abs(complexArray[j].ToModul()));
}
if (num5 >= 0.0)
{
db = num5 / ((double)complexArray.Length);
if (db <= 200.0)
{
if (this.dbmax < db)
{
this.dbmax = db;
this.txtDB.Text = this.dbmax.ToString("f2");
}
if (this.dbmin > db)
{
this.dbmin = db;
this.txtDB.Text = this.dbmin.ToString("f2");
}
this.txtDB.Text = string.Format("{0} ", db.ToString("f2"));
}
}
App.CurrentDecibel = db;
}
private void SetupBeepPlayer()
{
beepPlayer.FinishedPlaying += (s, e) =>
{
beepPlayer.Stop();
buttonPlay.Text = "Play";
labelTitle.ForeColor = titleColor;
note = 0;
textBoxSequence.Select(0, 0);
};
beepPlayer.NotePlaying += (s, e) =>
{
NumberRange range = FreqAnalyzer.GetFreqRangeFromNotes(beepPlayer.Notes);
FreqAnalyzer FA = new FreqAnalyzer(titleColor, e.Frequency, range);
Color color = FA.GetNewColor();
labelTitle.ForeColor = color;
textBoxSequence.SelectNote(note++);
};
}
private void microphone_BufferReady(object sender, EventArgs e)
{
uint lowerPowerOfTwo = FreqAnalyzer.GetLowerPowerOfTwo(this.microphone.GetData(this.buffer));
double[] input = new double[lowerPowerOfTwo / 2];
short[] numArray2 = new short[lowerPowerOfTwo / 2];
Buffer.BlockCopy(this.buffer, 0, numArray2, 0, lowerPowerOfTwo / 2);
int num3 = 0;
short[] numArray3 = numArray2;
for (int i = 0; i < numArray3.Length; i++)
{
float num4 = numArray3[i];
input[num3++] = num4;
}
Complex[] complexArray = FreqAnalyzer.FFT(input, true);
double num5 = 0.0;
for (int j = 0; j < complexArray.Length; j++)
{
num5 += 20.0 * Math.Log10(Math.Abs(complexArray[j].ToModul()));
}
if (num5 >= 0.0)
{
double num7 = num5 / ((double)complexArray.Length);
if (num7 <= 200.0)
{
if (this.max_DB < num7)
{
this.max_DB = num7;
this.TB_MAXDB.set_Text(this.max_DB.ToString("f1"));
}
if (this.min_DB > num7)
{
this.min_DB = num7;
this.TB_MINDB.set_Text(this.min_DB.ToString("f1"));
}
this.TB_DB.set_Text(string.Format("{0} ", num7.ToString("f1")));
}
}
}
