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Mono Property

Summary

Gets or sets the audio input mono setting.

Syntax

C++

public bool Mono { get; set; }

Public Property Mono As Boolean

public: 
property bool Mono { 
   bool get(); 
   void set (    bool ); 
}

Property Value

true if all channels for this input are combined into a mono signal; false if the input has multi-channel audio.

Remarks

Represents a value that indicates whether the audio input is mono or multi-channel. For more information, refer to the Microsoft documentation for IAMAudioInputMixer.get_Mono.

Example

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

Reference

AudioInput Class

AudioInput Members

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Help Version 20.0.2020.4.2

Leadtools.Multimedia Assembly

Introduction

Getting Started

Namespaces

Leadtools.Multimedia Namespace

Leadtools.Multimedia.Common Namespace

Assemblies