public virtual int Balance { get; set; }
A value representing the balance.
Allowed values range from -10000 to 10000, where -10000 indicates that the right channel will receive no signal, 10000 indicates that the left channel will receive no signal, and 0 indicates that both channels will get the same amount of the audio signal.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm(false);
public void CaptureAudioExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
// output file for capture
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_CaptureAudioExample.mp3");
try
{
// select a audio capture device
if (capturectrl.AudioDevices["USB"] == null)
throw new Exception("No USB audio device available");
capturectrl.AudioDevices["USB"].Selected = true;
// set the target output file and format
capturectrl.TargetFile = outFile;
capturectrl.TargetFormat = TargetFormatType.MP4;
// unmute the audio, balanced and full volume
capturectrl.Mute = false;
capturectrl.Balance = 0;
capturectrl.Volume = 0;
// check if we have can capture audio
if (capturectrl.IsModeAvailable(CaptureMode.Audio))
{
capturectrl.TimeLimit = 5; // just 5 seconds of capture time
capturectrl.UseTimeLimit = true;
// start the capture process
capturectrl.StartCapture(CaptureMode.Audio);
// 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();
// set the result
_result = File.Exists(outFile);
}
}
catch (Exception)
{
_result = false;
}
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS23\Media";
}
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