LEADTOOLS Multimedia (Leadtools.Multimedia assembly)
LEAD Technologies, Inc

Treble Property (AudioInputs)

Example 





Gets or sets the master treble equalization.
Syntax
public double Treble {get; set;}
'Declaration
 
Public Property Treble As Double
'Usage
 
Dim instance As AudioInputs
Dim value As Double
 
instance.Treble = value
 
value = instance.Treble
public double Treble {get; set;}
 get_Treble();
set_Treble(value);
public:
property double Treble {
   double get();
   void set (    double value);
}

Property Value

The master treble gain value in decibels. Use negative values for attenuation.
Example
Copy CodeCopy Code  
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub AudioInputsExample()
  Dim txtInfo As String = String.Empty

  ' reference the capture control
  Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

  ' select an audio device, use your device name here instead of USB
  If capturectrl.AudioDevices("USB") Is Nothing Then
     Throw New Exception("No USB audio device available")
  End If

  capturectrl.AudioDevices("USB").Selected = True

  ' get the audio inputs object
  Dim audioinputs As AudioInputs = capturectrl.AudioInputs

  Try
     ' get master values
             txtInfo = String.Format("Enable state {0}" _
                                     & Microsoft.VisualBasic.Constants.vbLf _
                                     & "Loudness state {1}" _
                                     & Microsoft.VisualBasic.Constants.vbLf _
                                     & "Mixlevel value {2}" & Microsoft.VisualBasic.Constants.vbLf _
                                     & "Mono state {3}" _
                                     & Microsoft.VisualBasic.Constants.vbLf _
                                     & "Pan value {4}" & Microsoft.VisualBasic.Constants.vbLf _
                                     & "Bass value {5}" & Microsoft.VisualBasic.Constants.vbLf _
                                     & "Bass range value {6}" & Microsoft.VisualBasic.Constants.vbLf _
                                     & "Treble value {7}" & Microsoft.VisualBasic.Constants.vbLf _
                                     & "Treble range value {8}" & Microsoft.VisualBasic.Constants.vbLf _
                                     + Microsoft.VisualBasic.Constants.vbLf & "Are these values correct?", _
                                     audioinputs.Enable, _
                                     audioinputs.Loudness, _
                                     audioinputs.MixLevel.ToString(), _
                                     audioinputs.Mono, _
                                     audioinputs.Pan.ToString(), _
                                     audioinputs.Bass, _
                                     audioinputs.BassRange, _
                                     audioinputs.Treble, _
                                     audioinputs.TrebleRange)

     ' display the named audio input properties
     _result = (MessageBox.Show(_form, txtInfo, "Test Verify", MessageBoxButtons.YesNo) = DialogResult.Yes)
  Catch e1 As Exception
     _result = False
  End Try

  ' we'll loop on the state and pump messages for this example.
  ' but you should not need to if running from a Windows Forms application.
  Do While capturectrl.State = CaptureState.Running
     Application.DoEvents()
  Loop
End Sub
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void AudioInputsExample()
{
   string txtInfo = string.Empty;

   // reference the capture control
   CaptureCtrl capturectrl = _form.CaptureCtrl;

   // select an audio device. use your device's name here instead of USB
   if (capturectrl.AudioDevices["USB"] == null)
      throw new Exception("No USB audio device available");

   capturectrl.AudioDevices["USB"].Selected = true;

   // get the audio inputs object
   AudioInputs audioinputs = capturectrl.AudioInputs;

   try
   {
      // get the master values
      txtInfo = string.Format("Enable state {0}\n" +
                              "Loudness state {1}\n" +
                              "Mixlevel value {2}\n" +
                              "Mono state {3}\n" +
                              "Pan value {4}\n" +
                              "Bass value {5}\n" +
                              "Bass range value {6}\n" +
                              "Treble value {7}\n" +
                              "Treble range value {8}\n\n" +
                              "Are these values correct?",
      audioinputs.Enable, audioinputs.Loudness, audioinputs.MixLevel.ToString(), audioinputs.Mono,
      audioinputs.Pan.ToString(), audioinputs.Bass, audioinputs.BassRange, audioinputs.Treble, audioinputs.TrebleRange);

      // display the named audio input properties
      _result = (MessageBox.Show(_form, txtInfo, "Test Verify", MessageBoxButtons.YesNo) == DialogResult.Yes);
   }
   catch (Exception)
   {
      _result = false;
   }

   // we'll loop on the state and pump messages for this example.
   // but you should not need to if running from a Windows Forms application.
   while (capturectrl.State == CaptureState.Running)
      Application.DoEvents();
}
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

AudioInputs Class
AudioInputs Members

 

 


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Leadtools.Multimedia requires a Multimedia or Multimedia Suite license and unlock key. For more information, refer to: LEADTOOLS Toolkit Features