private void CreateAndAddEchoEffect()
{
EchoEffectDefinition echoEffectDefinition = new EchoEffectDefinition(this._audioGraph);
echoEffectDefinition.WetDryMix = 0.7f;
echoEffectDefinition.Feedback = 0.5f;
echoEffectDefinition.Delay = 100.0f;
_fileInputNode.EffectDefinitions.Add(echoEffectDefinition);
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default setting
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Can't create the graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
submixNode = graph.CreateSubmixNode();
submixNodeContainer.Background = new SolidColorBrush(Colors.Green);
submixNode.AddOutgoingConnection(deviceOutputNode);
echoEffect = new EchoEffectDefinition(graph);
echoEffect.WetDryMix = 0.7f;
echoEffect.Feedback = 0.5f;
echoEffect.Delay = 500.0f;
submixNode.EffectDefinitions.Add(echoEffect);
// Disable the effect in the beginning. Enable in response to user action (UI toggle switch)
submixNode.DisableEffectsByDefinition(echoEffect);
// All nodes can have an OutgoingGain property
// Setting the gain on the Submix node attenuates the output of the node
submixNode.OutgoingGain = 0.5;
// Graph successfully created. Enable buttons to load files
fileButton1.IsEnabled = true;
fileButton2.IsEnabled = true;
}
//
//
//
private void CreateEchoEffect()
{
// create echo effect
echoEffectDefinition = new EchoEffectDefinition(audGraph);
//
// See the MSDN page for parameter explanations
// http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.xapofx.fxecho_parameters(v=vs.85).aspx
echoEffectDefinition.WetDryMix = 0.7f;
echoEffectDefinition.Feedback = 0.5f;
echoEffectDefinition.Delay = 500.0f;
//
audioDeviceOutputSubmixNode.EffectDefinitions.Add(echoEffectDefinition);
audioDeviceOutputSubmixNode.DisableEffectsByDefinition(echoEffectDefinition);
}
//</SnippetCreateSubmixNode>
private void AddEffect()
{
AudioSubmixNode submixNode = audioGraph.CreateSubmixNode();
//<SnippetAddEffect>
EchoEffectDefinition echoEffect = new EchoEffectDefinition(audioGraph);
echoEffect.Delay = 1000.0;
echoEffect.Feedback = .2;
echoEffect.WetDryMix = .5;
submixNode.EffectDefinitions.Add(echoEffect);
//</SnippetAddEffect>
fileInputNode.EffectDefinitions.Add(echoEffect);
}
private void AddCustomEffect()
{
_properties["Noise"] = 0.0f;
_properties["Echo"] = 0.0f;
_noiseEffectDefinition = new AudioEffectDefinition(typeof(AudioNoiseEffect).FullName, _properties);
_properties["Echo Delay"] = 0.0f;
_echoEffectDefinition = new EchoEffectDefinition(_graph);
_properties["Balance"] = 0.0f;
_balanceEffectDefinition = new AudioEffectDefinition(typeof(AudioBalanceEffect).FullName, _properties);
_spectrumExtractor = new AudioEffectDefinition(typeof(AudioSpectrumExtractor).FullName, _properties);
_echoEffectDefinition.Delay = 100;
_echoEffectDefinition.Feedback = 0.5;
_echoEffectDefinition.WetDryMix = 0;
_subMixNode.EffectDefinitions.Add(_noiseEffectDefinition);
_subMixNode.EffectDefinitions.Add(_balanceEffectDefinition);
_subMixNode.EffectDefinitions.Add(_spectrumExtractor);
_subMixNode.EffectDefinitions.Add(_echoEffectDefinition);
}
private void InitializeEffects()
{
_echoEffect = new EchoEffectDefinition(graph);
_reverbEffect = new ReverbEffectDefinition(graph);
_echoEffect.Delay = echoDelayMinVal;
_echoEffect.Feedback = echoFeedbackMinVal;
_reverbEffect.DecayTime = reverbDecayMinVal;
_reverbEffect.Density = reverbDensityMinVal;
_reverbEffect.ReverbGain = reverbGainMinVal;
_reverbEffect.WetDryMix = reverbWetDryMixDefaultVal;
_reverbEffect.ReverbDelay = (byte)reverbDelayDefaultVal;
_reverbEffect.RearDelay = (byte)reverbRearDelayDefaultVal;
_reverbEffect.RoomSize = reverbRoomSizeDefaultVal;
_reverbEffect.ReflectionsDelay = (byte)reverbReflectionsDelayDefaultVal;
_reverbEffect.LowEQCutoff = (byte)reverbLowEqCutoffDefaultVal;
_reverbEffect.LowEQGain = (byte)reverbLowEqGainDefaultVal;
_reverbEffect.HighEQCutoff = (byte)reverbHighEqCutoffDefaultVal;
_reverbEffect.HighEQGain = (byte)reverbHighEqGainDefaultVal;
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default setting
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Can't create the graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
submixNode = graph.CreateSubmixNode();
subMixNode.Background = new SolidColorBrush(Colors.Green);
submixNode.AddOutgoingConnection(deviceOutputNode);
echoEffect = new EchoEffectDefinition(graph);
echoEffect.WetDryMix = 0.7f;
echoEffect.Feedback = 0.5f;
echoEffect.Delay = 500.0f;
submixNode.EffectDefinitions.Add(echoEffect);
// Disable the effect in the beginning. Enable in response to user action (UI toggle switch)
submixNode.DisableEffectsByDefinition(echoEffect);
// All nodes can have an OutgoingGain property
// Setting the gain on the Submix node attenuates the output of the node
submixNode.OutgoingGain = 0.5;
// Graph successfully created. Enable buttons to load files
fileButton1.IsEnabled = true;
fileButton2.IsEnabled = true;
}
private void CreateEchoEffect()
{
// create echo effect
echoEffectDefinition = new EchoEffectDefinition(graph);
// See the MSDN page for parameter explanations
// http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.xapofx.fxecho_parameters(v=vs.85).aspx
echoEffectDefinition.WetDryMix = 0.7f;
echoEffectDefinition.Feedback = 0.5f;
echoEffectDefinition.Delay = 500.0f;
fileInputNode.EffectDefinitions.Add(echoEffectDefinition);
fileInputNode.DisableEffectsByDefinition(echoEffectDefinition);
}
