private int intDelay = 200; // Record Time in millesecond...
// Short time - increase repetet noise ...
// Long time - create echo ...
// I think 200ms is optimum ...
// If you use headphones - best time will be 500..1000ms ...
private async void btnStart_Click(object sender, RoutedEventArgs e)
{
blnStart = true;
btnStart.Visibility = Visibility.Collapsed;
btnStop.Visibility = Visibility.Visible;
textBlock.Visibility = Visibility.Visible;
mediaCaptureAudioPrimery = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
settings.MediaCategory = Windows.Media.Capture.MediaCategory.Other;
settings.AudioProcessing = Windows.Media.AudioProcessing.Default; // Use only Default
await mediaCaptureAudioPrimery.InitializeAsync(settings);
recordProfile = MediaEncodingProfile.CreateWav(Windows.Media.MediaProperties.AudioEncodingQuality.Low);
while (blnStart) // Repeate untile stop ...
{
try
{
msIRAS0 = new MemoryStream();
streamIRAS0 = msIRAS0.AsRandomAccessStream(); // New Stream ...
await mediaCaptureAudioPrimery.StartRecordToStreamAsync(recordProfile, streamIRAS0); // write audio in first stream ...
await Task.Delay(intDelay);
await mediaCaptureAudioPrimery.StopRecordAsync(); // Stop first stream
await PlayThreadMethod(streamIRAS0); // Play from first stream
msIRAS1 = new MemoryStream();
streamIRAS1 = msIRAS0.AsRandomAccessStream(); // Second Stream ...
await mediaCaptureAudioPrimery.StartRecordToStreamAsync(recordProfile, streamIRAS1); // sweetch stream ... to second stream ...
await Task.Delay(intDelay);
await mediaCaptureAudioPrimery.StopRecordAsync();
await PlayThreadMethod(streamIRAS1); // Play Second Streem
}
catch (Exception ex)
{
Stop();
}
}
}
/// <summary>
/// StopRecording method
/// </summary>
/// <param>
/// Stop to record audio .
/// The audio stream is still in stored in memory
/// </param>
/// <return>return true if successful.
/// </return>
public async System.Threading.Tasks.Task <bool> StopRecording()
{
// Stop recording and dispose resources
if (mediaCapture != null)
{
if (isRecording == true)
{
await mediaCapture.StopRecordAsync();
isRecording = false;
}
}
return(true);
}
