protected Processor()
{
waveFile = null;
hammingWindow = null;
enegryArray = null;
endPointList = new List <double>();
}
private void openFileToolStripMenuItem_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
waveFile = new AudioUtils.WaveFile(openFileDialog1.FileName);
waveFile.Read();
txtFormatID.Text = "fmt (" + waveFile.WaveFmt.FmtID[0] + " " + waveFile.WaveFmt.FmtID[1] + " " + waveFile.WaveFmt.FmtID[2] + " " + waveFile.WaveFmt.FmtID[3] + ")";
txtFormatSize.Text = waveFile.WaveFmt.FmtSize.ToString();
txtAudioFormat.Text = waveFile.WaveFmt.FmtTag.ToString();
txtNumberChannels.Text = waveFile.WaveFmt.Channels.ToString();
txtSampleRate.Text = waveFile.WaveFmt.SamplesPerSec.ToString();
txtByteRate.Text = waveFile.WaveFmt.AverageBytesPerSec.ToString();
txtBlockAlign.Text = waveFile.WaveFmt.BlockAlign.ToString();
txtBitsPerSample.Text = waveFile.WaveFmt.BitsPerSample.ToString();
txtDataID.Text = "data(" + waveFile.WaveData.DataID[0] + " " + waveFile.WaveData.DataID[1] + " " + waveFile.WaveData.DataID[2] + " " + waveFile.WaveData.DataID[3] + ")";
txtDataSize.Text = waveFile.WaveData.DataSize.ToString();
txtData.Text = waveFile.WaveData.NumSamples.ToString();
this.btnSignalGraph.Enabled = true;
this.btnEnegryGraph.Enabled = true;
this.btnDetect.Enabled = true;
this.Refresh();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Processor"/> class.
/// </summary>
/// <param name="waveFile">The wave file.</param>
/// <param name="hammingWindow">The hamming window.</param>
public Processor(AudioUtils.WaveFile waveFile, WindowFunction hammingWindow)
: this()
{
this.waveFile = waveFile;
this.hammingWindow = hammingWindow;
if (hammingWindow == null)
{
hammingWindow = Utility.CreateWindow();
}
}
public static PointPairList ConvertToPointPairList(AudioUtils.WaveFile file)
{
if (file == null)
{
return(null);
}
PointPairList list = new PointPairList();
//double height = zedGraphControl.Height / 4;
for (int i = 0; i < file.WaveData.NumSamples; i++)
{
double val = file.WaveData[i];//(double)file.WaveData[i]/file.AbsMax; //20*Math.Log10((double)Math.Abs(file.WaveData[i]) / file.WaveData.AbsMax);
//double x = (double)((double)i / (double)(file.WaveFmt.SamplesPerSec) * 1000);
double y = val;
list.Add(i, y);
}
return(list);
}
public EnegryGraph(AudioUtils.WaveFile waveFile)
: this()
{
this.waveFile = waveFile;
//this.waveFile.Read();
}
public Detect(AudioUtils.WaveFile waveFile) : this()
{
this.waveFile = waveFile;
}
public AllGraph(AudioUtils.WaveFile waveFile)
: this()
{
this.waveFile = waveFile;
}
public SignalGraph(AudioUtils.WaveFile waveFile)
: this()
{
this.waveFile = waveFile;
//this.waveFile.Read();
}