static void Main(string[] args)
{
microphone = Microphone.GetDefaultDevice();
speaker = Speaker.GetDefaultDevice();
connector = new MediaConnector();
audioProcessor = new AudioQualityEnhancer();
audioProcessor.NoiseReductionLevel = NoiseReductionLevel.Medium;
audioProcessor.SetEchoSource(speaker);
connector.Connect(microphone, audioProcessor);
connector.Connect(audioProcessor, speaker);
microphone.Start();
speaker.Start();
Console.ReadLine();
}
static void Main(string[] args)
{
microphone = Microphone.GetDefaultDevice();
speaker = Speaker.GetDefaultDevice();
connector = new MediaConnector();
audioProcessor = new AudioQualityEnhancer();
audioProcessor.AcousticEchoCancellation = true; // acoustic echo cancellation is enabled
audioProcessor.SetEchoSource(speaker); // sets the speaker to be the source of the echo
connector.Connect(microphone, audioProcessor); // voice data is being sent through the enhancer
connector.Connect(audioProcessor, speaker);
audioProcessor.Start();
microphone.Start();
speaker.Start();
Console.ReadLine();
}
/// <summary>
/// Initializes the audio handlers (microphone, speaker, DTMF player etc.).
/// </summary>
private void InitAudio()
{
// ----- CREATE -----
// devices
Microphone = Microphone.GetDefaultDevice();
Speaker = Speaker.GetDefaultDevice();
// audio processors
AudioEnhancer = new AudioQualityEnhancer();
AudioEnhancer.SetEchoSource(Speaker);
dtmfPlayer = new DtmfEventWavePlayer();
// ringtones
var ringbackStream = LoadRingbackStream();
var ringtoneStream = LoadRingtoneStream();
ringtonePlayer = new WaveStreamPlayback(ringtoneStream, true, false);
ringbackPlayer = new WaveStreamPlayback(ringbackStream, true, false);
// mixers
outgoingDataMixer = new AudioMixerMediaHandler();
speakerMixer = new AudioMixerMediaHandler();
recordDataMixer = new AudioMixerMediaHandler();
// phone handlers
phoneCallAudioSender = new PhoneCallAudioSender();
phoneCallAudioReceiver = new PhoneCallAudioReceiver();
// ----- CONNECT -----
// connect outgoing
audioConnector.Connect(AudioEnhancer, outgoingDataMixer);
audioConnector.Connect(outgoingDataMixer, phoneCallAudioSender);
audioConnector.Connect(outgoingDataMixer, recordDataMixer);
if (Microphone != null)
{
Microphone.LevelChanged += (Microphone_LevelChanged);
audioConnector.Connect(Microphone, AudioEnhancer);
}
// connect incoming
audioConnector.Connect(phoneCallAudioReceiver, speakerMixer);
audioConnector.Connect(phoneCallAudioReceiver, recordDataMixer);
audioConnector.Connect(ringtonePlayer, speakerMixer);
audioConnector.Connect(ringbackPlayer, speakerMixer);
audioConnector.Connect(dtmfPlayer, speakerMixer);
if (Speaker != null)
{
Speaker.LevelChanged += (Speaker_LevelChanged);
audioConnector.Connect(speakerMixer, Speaker);
}
// add to collection
Dictionary<string, VoIPMediaHandler> collection = new Dictionary<string, VoIPMediaHandler>();
collection.Add("AudioEnhancer", AudioEnhancer);
collection.Add("DTMFPlayer", dtmfPlayer);
collection.Add("OutgoingDataMixer", outgoingDataMixer);
collection.Add("SpeakerMixer", speakerMixer);
collection.Add("PhoneCallAudioSender", phoneCallAudioSender);
collection.Add("PhoneCallAudioReceiver", phoneCallAudioReceiver);
audioCollection = new MediaHandlerCollection(audioConnector, collection);
}
/// <summary>
/// Initializes the audio handlers (microphone, speaker, DTMF player etc.).
/// </summary>
private void InitAudio()
{
// ----- CREATE -----
// devices
Microphone = Microphone.GetDefaultDevice();
Speaker = Speaker.GetDefaultDevice();
// audio processors
AudioEnhancer = new AudioQualityEnhancer();
AudioEnhancer.SetEchoSource(Speaker);
dtmfPlayer = new DtmfEventWavePlayer();
// ringtones
var ringbackStream = LoadRingbackStream();
var ringtoneStream = LoadRingtoneStream();
ringtonePlayer = new WaveStreamPlayback(ringtoneStream, true, false);
ringbackPlayer = new WaveStreamPlayback(ringbackStream, true, false);
// mixers
outgoingDataMixer = new AudioMixerMediaHandler();
speakerMixer = new AudioMixerMediaHandler();
recordDataMixer = new AudioMixerMediaHandler();
// phone handlers
phoneCallAudioSender = new PhoneCallAudioSender();
phoneCallAudioReceiver = new PhoneCallAudioReceiver();
// ----- CONNECT -----
// connect outgoing
audioConnector.Connect(AudioEnhancer, outgoingDataMixer);
audioConnector.Connect(outgoingDataMixer, phoneCallAudioSender);
audioConnector.Connect(outgoingDataMixer, recordDataMixer);
if (Microphone != null)
{
Microphone.LevelChanged += (Microphone_LevelChanged);
audioConnector.Connect(Microphone, AudioEnhancer);
}
// connect incoming
audioConnector.Connect(phoneCallAudioReceiver, speakerMixer);
audioConnector.Connect(phoneCallAudioReceiver, recordDataMixer);
audioConnector.Connect(ringtonePlayer, speakerMixer);
audioConnector.Connect(ringbackPlayer, speakerMixer);
audioConnector.Connect(dtmfPlayer, speakerMixer);
if (Speaker != null)
{
Speaker.LevelChanged += (Speaker_LevelChanged);
audioConnector.Connect(speakerMixer, Speaker);
}
// add to collection
Dictionary <string, VoIPMediaHandler> collection = new Dictionary <string, VoIPMediaHandler>();
collection.Add("AudioEnhancer", AudioEnhancer);
collection.Add("DTMFPlayer", dtmfPlayer);
collection.Add("OutgoingDataMixer", outgoingDataMixer);
collection.Add("SpeakerMixer", speakerMixer);
collection.Add("PhoneCallAudioSender", phoneCallAudioSender);
collection.Add("PhoneCallAudioReceiver", phoneCallAudioReceiver);
audioCollection = new MediaHandlerCollection(audioConnector, collection);
}
/// <summary>
/// Creates a complex phone call listener, built up from microphone, speaker, waverecorder, waveplayer, dtmf and ringtone sounds.
/// </summary>
/// <returns>The media handler collection that represent the phone call listener.</returns>
public MediaHandlerCollection CreateSoftPhoneCallListener()
{
var phoneCallAudioReceiver = new PhoneCallAudioReceiver();
var phoneCallAudioSender = new PhoneCallAudioSender();
var microphone = Microphone.GetDefaultDevice();
var speaker = Speaker.GetDefaultDevice();
var audioProcessor = new AudioQualityEnhancer();
audioProcessor.SetEchoSource(speaker); // Handles the audio that comes from the PhoneCallListener
var outgoingDataMixer = new AudioMixerMediaHandler();
var recordDataMixer = new AudioMixerMediaHandler();
var speakerMixer = new AudioMixerMediaHandler();
var dtmf = new DtmfEventWavePlayer();
var ringtones = new PhoneCallStateWavePlayer(
commonWaveFormat,
outGoingToneStreams,
incomingToneStreams
);
if (microphone != null)
{
mediaConnector.Connect(microphone, audioProcessor);
}
mediaConnector.Connect(audioProcessor, outgoingDataMixer);
mediaConnector.Connect(outgoingDataMixer, phoneCallAudioSender);
// No WaveStreamPlayback (see CreateWaveStreamPlayback method)
//mediaConnector.Connect(phoneCallAudioReceiver, speaker);
mediaConnector.Connect(phoneCallAudioReceiver, speakerMixer);
mediaConnector.Connect(dtmf, speakerMixer);
mediaConnector.Connect(ringtones, speakerMixer);
if (speaker != null)
{
mediaConnector.Connect(speakerMixer, speaker);
}
mediaConnector.Connect(phoneCallAudioReceiver, recordDataMixer);
mediaConnector.Connect(outgoingDataMixer, recordDataMixer);
// No WaveStreamRecorder (see CreateWaveStreamRecorder method)
/*
* Media Connections:
*
* +---------------------------------------------------------------+
* | PhoneCall |**************
* +---------------------------------------------------------------+ * *
* ^^ VV * *
* +--------------------+ +----------------------+ +----+ +---------+
* |PhoneCallAudioSender| |PhoneCallAudioReceiver| |DMTF| |Ringtones|
* +--------------------+ +----------------------+ +----+ +---------+
* ^^ V V V |
* +-----------------+ +---------------+ +------------+ |
* |OutgoingDataMixer|----- >> -----|RecordDataMixer| |SpeakerMixer|--<<--/
* +-----------------+ +---------------+ +------------+
* ^^ ^^ V |
*+--------------+ +------------------+ +------------------+ |
*|AudioProcessor| |WaveStreamPlayback| |WaveStreamRecorder| V
*+--------------+ +------------------+ +------------------+ V
* ^^ |
* +----------+ +-------+
* |Microphone| |Speaker|
* +----------+ +-------+
*/
var mediaHandlers = new Dictionary <string, VoIPMediaHandler>
{
{ "AudioProcessor", audioProcessor },
{ "OutGoingDataMixer", outgoingDataMixer },
{ "RecordDataMixer", recordDataMixer },
{ "SpeakerMixer", speakerMixer },
{ "DTMF", dtmf },
{ "Ringtones", ringtones },
{ "AudioSender", phoneCallAudioSender },
{ "AudiReceiver", phoneCallAudioReceiver },
};
if (microphone != null)
{
mediaHandlers.Add("Microphone", microphone);
}
if (speaker != null)
{
mediaHandlers.Add("Speaker", speaker);
}
return(new MediaHandlerCollection(mediaConnector, mediaHandlers));
}
/// <summary>
/// Creates a complex phone call listener, built up from microphone, speaker, waverecorder, waveplayer, dtmf and ringtone sounds.
/// </summary>
/// <returns>The media handler collection that represent the phone call listener.</returns>
public MediaHandlerCollection CreateSoftPhoneCallListener()
{
var phoneCallAudioReceiver = new PhoneCallAudioReceiver();
var phoneCallAudioSender = new PhoneCallAudioSender();
var microphone = Microphone.GetDefaultDevice();
var speaker = Speaker.GetDefaultDevice();
var audioProcessor = new AudioQualityEnhancer();
audioProcessor.SetEchoSource(speaker); // Handles the audio that comes from the PhoneCallListener
var outgoingDataMixer = new AudioMixerMediaHandler();
var recordDataMixer = new AudioMixerMediaHandler();
var speakerMixer = new AudioMixerMediaHandler();
var dtmf = new DtmfEventWavePlayer();
var ringtones = new PhoneCallStateWavePlayer(
commonWaveFormat,
outGoingToneStreams,
incomingToneStreams
);
if (microphone != null) mediaConnector.Connect(microphone, audioProcessor);
mediaConnector.Connect(audioProcessor, outgoingDataMixer);
mediaConnector.Connect(outgoingDataMixer, phoneCallAudioSender);
// No WaveStreamPlayback (see CreateWaveStreamPlayback method)
//mediaConnector.Connect(phoneCallAudioReceiver, speaker);
mediaConnector.Connect(phoneCallAudioReceiver, speakerMixer);
mediaConnector.Connect(dtmf, speakerMixer);
mediaConnector.Connect(ringtones, speakerMixer);
if (speaker != null) mediaConnector.Connect(speakerMixer, speaker);
mediaConnector.Connect(phoneCallAudioReceiver, recordDataMixer);
mediaConnector.Connect(outgoingDataMixer, recordDataMixer);
// No WaveStreamRecorder (see CreateWaveStreamRecorder method)
/*
* Media Connections:
*
* +---------------------------------------------------------------+
* | PhoneCall |**************
* +---------------------------------------------------------------+ * *
* ^^ VV * *
* +--------------------+ +----------------------+ +----+ +---------+
* |PhoneCallAudioSender| |PhoneCallAudioReceiver| |DMTF| |Ringtones|
* +--------------------+ +----------------------+ +----+ +---------+
* ^^ V V V |
* +-----------------+ +---------------+ +------------+ |
* |OutgoingDataMixer|----- >> -----|RecordDataMixer| |SpeakerMixer|--<<--/
* +-----------------+ +---------------+ +------------+
* ^^ ^^ V |
*+--------------+ +------------------+ +------------------+ |
*|AudioProcessor| |WaveStreamPlayback| |WaveStreamRecorder| V
*+--------------+ +------------------+ +------------------+ V
* ^^ |
* +----------+ +-------+
* |Microphone| |Speaker|
* +----------+ +-------+
*/
var mediaHandlers = new Dictionary<string, VoIPMediaHandler>
{
{"AudioProcessor", audioProcessor},
{"OutGoingDataMixer", outgoingDataMixer},
{"RecordDataMixer", recordDataMixer},
{"SpeakerMixer", speakerMixer},
{"DTMF", dtmf},
{"Ringtones", ringtones},
{"AudioSender",phoneCallAudioSender},
{"AudiReceiver",phoneCallAudioReceiver},
};
if(microphone != null)
mediaHandlers.Add("Microphone", microphone);
if (speaker != null)
mediaHandlers.Add("Speaker", speaker);
return new MediaHandlerCollection(mediaConnector,mediaHandlers);
}