private void Start()
{
Advertise("VoicePub", "/hololens/audio/user_transcript", 1, out pub);
voicebox = gameObject.GetComponent <TextToSpeech>();
// Activation phrase for dictation
Keywords.Add("Hello", () =>
{
ros.std_msgs.String msg = new ros.std_msgs.String("Hello!");
if (pub != null)
{
pub.SendMessage(msg);
}
voicebox.StartSpeaking("Hello");
});
Keywords.Add("record this", () =>
{
PhraseRecognitionSystem.Shutdown();
StartBeep.Play();
dictationRecognizer.Start();
});
dictationRecognizer = new DictationRecognizer();
dictationRecognizer.DictationComplete += DictationComplete;
dictationRecognizer.DictationError += DictationError;
dictationRecognizer.DictationHypothesis += DictationHypothesis;
dictationRecognizer.DictationResult += DictationResult;
keywordRecognizer = new KeywordRecognizer(Keywords.Keys.ToArray());
keywordRecognizer.OnPhraseRecognized += KeywordRecognizer_OnPhraseRecognized;
keywordRecognizer.Start();
}
public void keywordRestart()
{
dictationRecognizer.Stop();
dictationRecognizer.Dispose();
PhraseRecognitionSystem.Restart();
keywordRecognizer.Start();
}
public void DictationRecognizer_DictationComplete(DictationCompletionCause cause)
{
//Shuts off dictator and restarts keyword recognizer
Debug.Log("Dictation Timeout");
D_Recognizer.Dispose();
PhraseRecognitionSystem.Restart();
}
private IEnumerator _toggleDictation(bool state)
{
if (state)
{
keywordRecognizer.Stop();
PhraseRecognitionSystem.Shutdown();
while (PhraseRecognitionSystem.Status == SpeechSystemStatus.Running)
{
yield return(null);
}
dictationRecognizer.Start();
}
else
{
dictationRecognizer.Stop();
while (dictationRecognizer.Status == SpeechSystemStatus.Running)
{
yield return(null);
}
PhraseRecognitionSystem.Restart();
keywordRecognizer.Start();
}
}
/// <summary>
/// Ends the recording session.
/// </summary>
public static IEnumerator StopRecording()
{
#if UNITY_EDITOR || UNITY_WSA
if (!IsListening || isTransitioning)
{
Debug.LogWarning("Unable to stop recording");
yield break;
}
IsListening = false;
isTransitioning = true;
Microphone.End(DeviceName);
if (dictationRecognizer.Status == SpeechSystemStatus.Running)
{
dictationRecognizer.Stop();
}
while (dictationRecognizer.Status == SpeechSystemStatus.Running)
{
yield return(null);
}
PhraseRecognitionSystem.Restart();
isTransitioning = false;
#else
return(null);
#endif
}
public void StartDictation()
{
if (PhraseRecognitionSystem.Status != SpeechSystemStatus.Stopped)
{
PhraseRecognitionSystem.Shutdown();
}
m_DictationRecognizer = new DictationRecognizer();
m_DictationRecognizer.DictationResult += (string text, ConfidenceLevel confidence) => {
m_Recognitions.text += text + "\n";
};
m_DictationRecognizer.DictationHypothesis += ((string text) => {
m_Hypotheses.text += text + "\n";
});
m_DictationRecognizer.DictationComplete += ((DictationCompletionCause completionCause) => {
if (completionCause != DictationCompletionCause.Complete)
{
Debug.LogErrorFormat("Dictation completed unsuccessfully: {0}.", completionCause);
}
});
m_DictationRecognizer.DictationError += ((string error, int hresult) => {
Debug.LogErrorFormat("Dictation error: {0}; HResult = {1}.", error, hresult);
});
m_DictationRecognizer.Start();
m_Recognitions.text = "";
m_Hypotheses.text = "";
enableUI("StartDictation");
}
public void StartGrammer()
{
if (PhraseRecognitionSystem.Status != SpeechSystemStatus.Stopped)
{
PhraseRecognitionSystem.Shutdown();
}
try {
m_GrammerRecognizer = new GrammarRecognizer(Application.streamingAssetsPath + "/SRGS/AmexGrammer.xml", ConfidenceLevel.Low);
} catch (Exception ex) {
Debug.Log(ex.Message);
}
m_GrammerRecognizer.OnPhraseRecognized += ((PhraseRecognizedEventArgs args) => {
Debug.Log("Phrase recognized..");
StringBuilder builder = new StringBuilder();
builder.AppendFormat("{0} ({1}){2}", args.text, args.confidence, Environment.NewLine);
m_Recognitions.text += builder.ToString();
});
m_Recognitions.text = "";
m_GrammerRecognizer.Start();
m_Hypotheses.text = m_GrammerRecognizer.IsRunning? "True": "False";
m_Hypotheses.text += "\n" + m_GrammerRecognizer.GrammarFilePath;
enableUI("StartGrammer");
}
/// <summary>
/// Ends the recording session.
/// </summary>
public static async Task StopRecordingAsync()
{
#if UNITY_STANDALONE_WIN || UNITY_WSA || UNITY_EDITOR_WIN
if (!IsListening || isTransitioning)
{
Debug.LogWarning("Unable to stop recording");
return;
}
IsListening = false;
isTransitioning = true;
if (hasListener)
{
InputSystem.PopModalInputHandler();
hasListener = false;
}
Microphone.End(DeviceName);
if (dictationRecognizer.Status == SpeechSystemStatus.Running)
{
dictationRecognizer.Stop();
}
await new WaitUntil(() => PhraseRecognitionSystem.Status != SpeechSystemStatus.Running);
PhraseRecognitionSystem.Restart();
await new WaitUntil(() => PhraseRecognitionSystem.Status == SpeechSystemStatus.Running);
isTransitioning = false;
#endif // UNITY_STANDALONE_WIN || UNITY_WSA || UNITY_EDITOR_WIN
}
/// <inheritdoc />
public async Task StartRecordingAsync(GameObject listener = null, float initialSilenceTimeout = 5f, float autoSilenceTimeout = 20f, int recordingTime = 10, string micDeviceName = "")
{
#if UNITY_STANDALONE_WIN || UNITY_WSA || UNITY_EDITOR_WIN
IMixedRealityInputSystem inputSystem = Service as IMixedRealityInputSystem;
if (IsListening || isTransitioning || inputSystem == null || !Application.isPlaying)
{
Debug.LogWarning("Unable to start recording");
return;
}
if (dictationRecognizer == null && InputSystemProfile.SpeechCommandsProfile.SpeechRecognizerStartBehavior == AutoStartBehavior.ManualStart)
{
InitializeDictationRecognizer();
}
hasFailed = false;
IsListening = true;
isTransitioning = true;
if (listener != null)
{
hasListener = true;
inputSystem.PushModalInputHandler(listener);
}
if (PhraseRecognitionSystem.Status == SpeechSystemStatus.Running)
{
PhraseRecognitionSystem.Shutdown();
}
await waitUntilPhraseRecognitionSystemHasStopped;
Debug.Assert(PhraseRecognitionSystem.Status == SpeechSystemStatus.Stopped);
// Query the maximum frequency of the default microphone.
int minSamplingRate; // Not used.
deviceName = micDeviceName;
Microphone.GetDeviceCaps(deviceName, out minSamplingRate, out samplingRate);
dictationRecognizer.InitialSilenceTimeoutSeconds = initialSilenceTimeout;
dictationRecognizer.AutoSilenceTimeoutSeconds = autoSilenceTimeout;
dictationRecognizer.Start();
await waitUntilDictationRecognizerHasStarted;
Debug.Assert(dictationRecognizer.Status == SpeechSystemStatus.Running);
if (dictationRecognizer.Status == SpeechSystemStatus.Failed)
{
inputSystem.RaiseDictationError(inputSource, "Dictation recognizer failed to start!");
return;
}
// Start recording from the microphone.
dictationAudioClip = Microphone.Start(deviceName, false, recordingTime, samplingRate);
textSoFar = new StringBuilder();
isTransitioning = false;
#else
await Task.CompletedTask;
#endif
}
private void Awake()
{
dictationRecognizer = new DictationRecognizer();
dictationRecognizer.AutoSilenceTimeoutSeconds = TIMEOUT;
// 3.a: Register for dictationRecognizer.DictationHypothesis and implement DictationHypothesis below
// This event is fired while the user is talking. As the recognizer listens, it provides text of what it's heard so far.
dictationRecognizer.DictationHypothesis += DictationRecognizer_DictationHypothesis;
// 3.a: Register for dictationRecognizer.DictationComplete and implement DictationComplete below
// This event is fired when the recognizer stops, whether from Stop() being called, a timeout occurring, or some other error.
dictationRecognizer.DictationComplete += DictationRecognizer_DictationComplete;
dictationRecognizer = new DictationRecognizer();
dictationRecognizer.AutoSilenceTimeoutSeconds = TIMEOUT;
// 3.a: Register for dictationRecognizer.DictationHypothesis and implement DictationHypothesis below
// This event is fired while the user is talking. As the recognizer listens, it provides text of what it's heard so far.
dictationRecognizer.DictationHypothesis += DictationRecognizer_DictationHypothesis;
// 3.a: Register for dictationRecognizer.DictationComplete and implement DictationComplete below
// This event is fired when the recognizer stops, whether from Stop() being called, a timeout occurring, or some other error.
dictationRecognizer.DictationComplete += DictationRecognizer_DictationComplete;
PhraseRecognitionSystem.Shutdown();
dictationRecognizer.Start();
// Query the maximum frequency of the default microphone. Use 'unused' to ignore the minimum frequency.
int unused;
Microphone.GetDeviceCaps(deviceName, out unused, out samplingRate);
Microphone.Start(deviceName, false, messageLength, samplingRate);
}
/// <summary>
/// Ends the recording session.
/// </summary>
private IEnumerator StopListeningInternal()
{
#if UNITY_WSA || UNITY_STANDALONE_WIN
if (!isListening || isTransitioning)
{
LogWarn("Unable to stop recording");
yield break;
}
isListening = false;
isTransitioning = true;
LogInfo("Stopping microphone");
Microphone.End(deviceName);
LogInfo("Stopping dictation");
if (dictationRecognizer.Status == SpeechSystemStatus.Running)
{
dictationRecognizer.Stop();
}
LogInfo("Waiting for speech to stop");
while (dictationRecognizer.Status == SpeechSystemStatus.Running)
{
yield return(null);
}
PhraseRecognitionSystem.Restart();
isTransitioning = false;
LogInfo("Stopped listening");
#else
return(null);
#endif
}
/// <summary> ############################################################
/// --------------------- Dictation Methods below ----------------------
/// </summary> ###########################################################
public void noteTaking()
{
// stop keyword recognizer to prevent dictation recognition conflict
PhraseRecognitionSystem.Shutdown();
Debug.Log("Shutting down Phrase Recognition");
dictationRecognizer = new DictationRecognizer();
dictationRecognizer.InitialSilenceTimeoutSeconds = 6f;
dictationRecognizer.AutoSilenceTimeoutSeconds = 6f;
dictationRecognizer.DictationResult += dictationRecognizer_DictationResult;
dictationRecognizer.DictationHypothesis += dictationRecognizer_DictationHypothesis;
dictationRecognizer.DictationComplete += dictationRecognizer_DictationComplete;
dictationRecognizer.DictationError += dictationRecognizer_DictationError;
// Used for debugging to show dictation parameters has been activated.
// So, dictation can be used in App.
Debug.Log("Initiliazed Dictation Recognizer");
// Start dictation recogntion
dictationRecognizer.Start();
// Change bool to true for dictation control
IsRunning = true;
checkDictationOn();
// Used for debugging to show dictation recognizer has started.
Debug.Log("Dictation started");
}
/* Dictation complete event handler
* Converts the user input array to a single string. If no user input was recognized,
* uses TTS to tell the user that no input was recognized. Otherwise, tells the user
* what was heard and tries to convert it to a location. If conversion was successful
* then the user will be guided to the route, otherwise use TTS to inform the user that
* a route could not be found. Restarts the keyword recognizer whether a route was found
* or not incase the user wants to change their location.
*/
public void DictationRecognizer_DictationComplete(DictationCompletionCause cause)
{
userInputLength = 0;
Debug.Log("SI: Dictation complete, stopped listening");
userInputStr = string.Join(" ", userInputArr).TrimEnd();
Debug.Log("SI: You said " + userInputStr);
if (emptyInput(userInputStr))
{
Say("Sorry, I did not catch that. Please try again.");
}
else
{
string StrToSend = "Your chosen destination is " + userInputStr;
Say(StrToSend);
try
{
router.PlaceNameToCoords(userInputStr);
}
catch
{
Say("Sorry, I cannot find a route to " + userInputStr + ", please choose another destination.");
}
}
for (int i = 0; i < userInputArr.Length; i++)
{
userInputArr[i] = null;
}
PhraseRecognitionSystem.Restart();
}
public void StopRecording(DictationRecognizer.DictationResultDelegate dictationResultDelegate)
{
Microphone.End(deviceName);
dictationRecognizer.Stop();
dictationRecognizer.DictationResult -= dictationResultDelegate;
PhraseRecognitionSystem.Restart();
}
private void OnBotResponse(object sender, Assets.BotDirectLine.BotResponseEventArgs e)
{
Debug.Log($"OnBotResponse: {e.ToString()}");
switch (e.EventType)
{
case EventTypes.ConversationStarted:
if (!string.IsNullOrWhiteSpace(e.ConversationId))
{
// Store the ID
textToSpeech.SpeakSsml("<?xml version=\"1.0\"?><speak speed=\"80%\" version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://www.w3.org/2001/10/synthesis http://www.w3.org/TR/speech-synthesis/synthesis.xsd\" xml:lang=\"en-US\">Bot connection established!</speak>");
conversationId = e.ConversationId;
}
else
{
textToSpeech.SpeakSsml("<?xml version=\"1.0\"?><speak speed=\"80%\" version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://www.w3.org/2001/10/synthesis http://www.w3.org/TR/speech-synthesis/synthesis.xsd\" xml:lang=\"en-US\">Error while connecting to Bot!</speak>");
}
break;
case EventTypes.MessageSent:
if (!string.IsNullOrEmpty(conversationId))
{
// Get the bot's response(s)
BotDirectLineManager.Instance.GetMessagesAsync(conversationId).Wait();
}
break;
case EventTypes.MessageReceived:
// Handle the received message(s)
if (!string.IsNullOrWhiteSpace(conversationId))
{
var messageActivity = e.Messages.LastOrDefault();
Debug.Log(messageActivity.Text);
textToSpeech.SpeakSsml("<?xml version=\"1.0\"?><speak speed=\"80%\" version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://www.w3.org/2001/10/synthesis http://www.w3.org/TR/speech-synthesis/synthesis.xsd\" xml:lang=\"en-US\"> " + messageActivity.Text + "</speak>");
dictationRecognizer.Stop();
dictationRecognizer.DictationResult -= DictationRecognizer_DictationResult;
dictationRecognizer.DictationHypothesis -= DictationRecognizer_DictationHypothesis;
dictationRecognizer.DictationComplete -= DictationRecognizer_DictationComplete;
dictationRecognizer.DictationError -= DictationRecognizer_DictationError;
dictationRecognizer.Dispose();
//do
//{
//} while (dictationRecognizer.Status != SpeechSystemStatus.Stopped);
PhraseRecognitionSystem.Restart();
}
break;
case EventTypes.Error:
// Handle the error
break;
}
}
public void DictationRecognizer_DictationError(string error, int hresult)
{
ShowOnBillboard(WrapText(error, 40));
D_Recognizer.Dispose();
// For some reason phrase recognition is broken
// after dictation error unless we restart it.
PhraseRecognitionSystem.Restart();
}
public void keywordRestart()
{
dictationRecognizer.Stop();
dictationRecognizer.Dispose();
IsRunning = false;
checkDictationOn();
PhraseRecognitionSystem.Restart();
keywordRecognizer.Start();
}
private void RestartPhraseRecognitionSystem()
{
if (PhraseRecognitionSystem.Status == SpeechSystemStatus.Running)
{
return;
}
PhraseRecognitionSystem.Restart();
}
private void ShutdownPhraseRecognitionSystem()
{
if (PhraseRecognitionSystem.Status != SpeechSystemStatus.Running)
{
return;
}
PhraseRecognitionSystem.Shutdown();
}
private void DictationRecognizer_DictationResult(string text, ConfidenceLevel confidence)
{
GameObject holoMenu = null;
Debug.Log("String heard: " + text);
dictationRecognizer.Stop();
// Cases to set holoMenu to the correct menu
if (text.ToLower().Equals("main") || text.ToLower().Equals("main menu") || text.ToLower().Equals("maine") || text.ToLower().Equals("mean"))
{
holoMenu = mc.m_mainMenu;
}
else if (text.ToLower().Equals("biometrics"))
{
holoMenu = mc.m_biometricsMenu;
}
else if (text.ToLower().Equals("help"))
{
holoMenu = mc.m_helpMenu;
}
else if (text.ToLower().Equals("music"))
{
holoMenu = mc.m_musicMenu;
}
else if (text.ToLower().Equals("settings"))
{
holoMenu = mc.m_settingsMenu;
}
else if (text.ToLower().Equals("brightness"))
{
holoMenu = mc.m_brightnessMenu;
}
else if (text.ToLower().Equals("volume"))
{
holoMenu = mc.m_volumeMenu;
}
else if (text.ToLower().Equals("procedure"))
{
holoMenu = mc.m_blankTaskMenu;
}
else
{
Debug.Log("Cmd not recognized.");
// This does not fail eloquently
}
// call function in MenuController to retrieve the specific menu
if (holoMenu != null)
{
mc.Retrieve(holoMenu);
}
dictationRecognizer.Dispose();
PhraseRecognitionSystem.Restart();
}
void OnEnable()
{
wordRecog = new DictationRecognizer(ConfidenceLevel.Low, DictationTopicConstraint.Dictation);
wordRecog.DictationResult += WordRecog_DictationResult;
PhraseRecognitionSystem.Shutdown();
wordRecog.Start();
Debug.Log("Enabled");
textMeshPro.GetComponent <TextMeshPro>().text = "Listening...";
}
//where and when do we call this
public void stopKeywordRecognizer()
{
PhraseRecognitionSystem.Shutdown();
if (keywordRecognizer != null)
{
keywordRecognizer.Stop();
keywordRecognizer.Dispose();
}
}
void IDictationHandler.OnDictationError(DictationEventData eventData)
{
isRecording = false;
speechToTextOutput = eventData.DictationResult;
Debug.LogError(eventData.DictationResult);
StartCoroutine(DictationInputManager.StopRecording());
PhraseRecognitionSystem.Restart();
}
public void noteTaking()
{
// stop keyword recognizer to prevent dictation recognition conflict
PhraseRecognitionSystem.Shutdown();
Debug.Log("Shutting down Phrase Recognition");
dictationRecognizer = new DictationRecognizer();
dictationRecognizer.InitialSilenceTimeoutSeconds = 6f;
dictationRecognizer.AutoSilenceTimeoutSeconds = 6f;
dictationRecognizer.DictationResult += (string text, ConfidenceLevel confidence) =>
{
// Displays what the App belives was spoken and displays it in console
Debug.LogFormat("Dictation result: {0}", text);
// Displays what was said to the UI
dictationDisplay.text = text;
};
dictationRecognizer.DictationHypothesis += (text) =>
{
// Displays what the App processed was spoken
Debug.LogFormat("Dictation hypothesis: {0}", text);
};
dictationRecognizer.DictationComplete += (completionCause) =>
{
if (completionCause != DictationCompletionCause.Complete)
{
Debug.LogErrorFormat("Dictation completed unsuccessfully: {0}.", completionCause);
}
Debug.Log("Dictation complete");
keywordRestart();
};
dictationRecognizer.DictationError += (error, hresult) =>
{
Debug.LogErrorFormat("Dictation error: {0}; HResult = {1}.", error, hresult);
};
// Used for debugging to show dictation parameters has been activated.
// So, dictation can be used in App.
Debug.Log("Initiliazed Dictation Recognizer");
// Start dictation recogntion
dictationRecognizer.Start();
// Change bool to true for dictation control
IsRunning = true;
// Used for debugging to show dictation recognizer has started.
Debug.Log("Dictation started");
}
void destroyDictationRecognizer()
{
if (mc.m_overlapMessage.gameObject.activeSelf)
{
mc.toggleDisplay(mc.m_overlapMessage);
}
dictationRecognizer.Stop();
dictationRecognizer.Dispose();
PhraseRecognitionSystem.Restart();
}
private IEnumerator FinishStopRecording()
{
while (dictationRecognizer.Status == SpeechSystemStatus.Running)
{
yield return(null);
}
PhraseRecognitionSystem.Restart();
isTransitioning = false;
}
//method to restart game
private void ResetGame()
{
//set movement state false
startgame.SetMovementState(false);
//Shut down phraze recognition system, as cannot have both dictation and phraze active at same time - https://docs.microsoft.com/en-us/windows/mixed-reality/voice-input-in-unity
PhraseRecognitionSystem.Shutdown();
GameObject.Find("Kinect Manager").GetComponent <KManager>()._kinect.Close();
//reload scene
SceneManager.LoadScene(0);
}
public AudioClip StartRecording(DictationRecognizer.DictationResultDelegate dictationResultDelegate)
{
if (PhraseRecognitionSystem.Status == SpeechSystemStatus.Running)
{
PhraseRecognitionSystem.Shutdown();
}
dictationRecognizer.DictationResult += dictationResultDelegate;
dictationRecognizer.Start();
return(Microphone.Start(deviceName, false, RECORD_MAX_TIME_IN_SECONDS, samplingRate));
}
/// <summary>
/// Turns on the dictation recognizer and begins recording audio from the default microphone.
/// </summary>
/// <returns>The audio clip recorded from the microphone.</returns>
public AudioClip StartRecording()
{
PhraseRecognitionSystem.Shutdown();
dictationRecognizer.Start();
dictationDisplay.text = "Dictation is starting. It may take time to display your text the first time, but begin speaking now...";
hasRecordingStarted = true;
return(Microphone.Start(deviceName, true, messageLength, samplingRate));
}
/// <summary>
/// This event is fired when the recognizer stops, whether from Stop() being called, a timeout occurring, or some other error.
/// Typically, this will simply return "Complete". In this case, we check to see if the recognizer timed out.
/// </summary>
/// <param name="cause">An enumerated reason for the session completing.</param>
private void DictationRecognizer_DictationComplete(DictationCompletionCause cause)
{
Debug.Log("MICROPHONE COMPLETE: " + cause);
if (cause == DictationCompletionCause.TimeoutExceeded)
{
dictationRecognizer.Start();
return;
}
;
PhraseRecognitionSystem.Restart();
}
