Treble Property

Summary

Gets the treble equalization value for the audio input.

Syntax
C#
VB
C++
public double Treble { get; set; } 
Public Property Treble As Double 
public: 
property double Treble { 
   double get(); 
   void set (    double ); 
} 

Property Value

The treble gain is in decibels. Use negative values for attenuation.

Remarks

The TrebleRange Property contains the expected range of values. For more information, refer to the Microsoft documentation for IAMAudioInputMixer.get_Treble.

Example
C#
VB
using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
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(); 
} 
Imports Leadtools 
Imports Leadtools.Multimedia 
Imports LeadtoolsMultimediaExamples.Fixtures 
 
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 

Requirements

Target Platforms

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