Playing a sound with effects

  // Create a default player, speaker, and echo effect.
  TSineWave*  aSine = new TSineWave(440.,TMilliseconds(500));
  TAudioPlayer    *aPlayer = TAudioPlayer::CreateDefaultAudioPlayer(aSine,

TAudioType::GetOffsetBinary8bit22KHz());
  TSpeaker    *aSpeaker =

 TSpeaker::CreateDefaultSpeaker(TAudioType::GetOffsetBinary8bit22KHz());
  TEcho   *anEcho = TEcho::CreateDefaultEcho(TMilliseconds(1000.), 0.5, 0.5,

TAudioTYpe::GetOffsetBinary8bit22KHz());
  
  // Create port surrogates and connect the components.
  TAudioOutputPortSurrogate*  aPlayerOut = aPlayer->CreateLeftOutput();
  TAudioInputPortSurrogate*   anEchoIn = anEcho->CreateInput();
  TAudioOutputPortSurrogate*  anEchoOut = anEcho->CreateLeftOutput();
  TAudioInputPortSurrogate*   aSpeakerIn = aSpeaker->CreateInput();
  
  aPlayerOut->ConnectTo(*anEchoIn);
  anEchoOut->ConnectTo(*aSpeakerIn);
  
  // Play the sound with the effect.
  aPlayer->Play();
  aPlayer->WaitUntilComplete();