/// <summary>
/// Initialize the speaker information
/// </summary>
private async void initializeSpeaker()
{
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
string _savedSpeakerId = _storageHelper.readValue(MainWindow.SPEAKER_FILENAME);
if (_savedSpeakerId != null)
{
_speakerId = new Guid(_savedSpeakerId);
}
record.IsEnabled = false;
if (_speakerId == Guid.Empty)
{
bool created = await createProfile();
if (created)
{
refreshPhrases();
}
}
else
{
setStatus("Using profile Id: " + _speakerId.ToString());
refreshPhrases();
string enrollmentsStatus = _storageHelper.readValue(MainWindow.SPEAKER_ENROLLMENTS);
if ((enrollmentsStatus != null) && (enrollmentsStatus.Equals("Done")))
{
resetBtn.IsEnabled = true;
}
}
}
/// <summary>
/// Creates a speaker profile
/// </summary>
/// <returns>A boolean indicating the success/failure of the process</returns>
private async Task <bool> createProfile()
{
setStatus("Creating Profile...");
try
{
Stopwatch sw = Stopwatch.StartNew();
CreateProfileResponse response = await _serviceClient.CreateProfileAsync("en-us");
sw.Stop();
setStatus("Profile Created, Elapsed Time: " + sw.Elapsed);
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
_storageHelper.writeValue(MainWindow.SPEAKER_FILENAME, response.ProfileId.ToString());
_speakerId = response.ProfileId;
return(true);
}
catch (CreateProfileException exception)
{
setStatus("Cannot create profile: " + exception.Message);
return(false);
}
catch (Exception gexp)
{
setStatus("Error: " + gexp.Message);
return(false);
}
}
/// <summary>
/// Enrolls the audio of the speaker
/// </summary>
/// <param name="audioStream">The audio stream</param>
private async void enrollSpeaker(Stream audioStream)
{
try
{
Stopwatch sw = Stopwatch.StartNew();
Enrollment response = await _serviceClient.EnrollAsync(audioStream, _speakerId);
sw.Stop();
_remainingEnrollments = response.RemainingEnrollments;
setStatus("Enrollment Done, Elapsed Time: " + sw.Elapsed);
verPhraseText.Text = response.Phrase;
setStatus("Your phrase: " + response.Phrase);
setUserPhrase(response.Phrase);
remEnrollText.Text = response.RemainingEnrollments.ToString();
if (response.RemainingEnrollments == 0)
{
MessageBox.Show("You have now completed the minimum number of enrollments. You may perform verification or add more enrollments", "Speaker enrolled");
}
resetBtn.IsEnabled = true;
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
_storageHelper.writeValue(MainWindow.SPEAKER_ENROLLMENTS, "Done");
}
catch (EnrollmentException exception)
{
setStatus("Cannot enroll speaker: " + exception.Message);
}
catch (Exception gexp)
{
setStatus("Error: " + gexp.Message);
}
}
/// <summary>
/// Remove current speaker Id
/// </summary>
/// <param name="sender">Sender object responsible for event</param>
/// <param name="e">A set of arguments sent to the listener</param>
private async void resetBtn_Click(object sender, RoutedEventArgs e)
{
try
{
setStatus("Resetting profile: " + _speakerId);
await _serviceClient.ResetEnrollmentsAsync(_speakerId);
setStatus("Profile reset");
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
resetBtn.IsEnabled = false;
Profile profile = await _serviceClient.GetProfileAsync(_speakerId);
setDisplayText(profile.RemainingEnrollmentsCount.ToString(), "");
_storageHelper.writeValue(MainWindow.SPEAKER_ENROLLMENTS, profile.RemainingEnrollmentsCount.ToString());
_storageHelper.writeValue(MainWindow.SPEAKER_PHRASE_FILENAME, "");
_storageHelper.writeValue(MainWindow.SPEAKER_ENROLLMENT_STATUS, "Empty");
}
catch (ResetEnrollmentsException exp)
{
setStatus("Cannot reset Profile: " + exp.Message);
}
catch (Exception gexp)
{
setStatus("Error: " + gexp.Message);
}
}
/// <summary>
/// Initialization constructor for the verify speaker page
/// </summary>
public VerifySpeakerPage()
{
InitializeComponent();
try
{
_subscriptionKey = ((MainWindow)Application.Current.MainWindow).SubscriptionKey;
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
string _savedSpeakerId = _storageHelper.readValue(MainWindow.SPEAKER_FILENAME);
if (_savedSpeakerId != null)
{
_speakerId = new Guid(_savedSpeakerId);
}
if (_speakerId == Guid.Empty)
{
((MainWindow)Application.Current.MainWindow).Log("You need to create a profile and complete enrollments first before verification");
recordBtn.IsEnabled = false;
stopRecordBtn.IsEnabled = false;
}
else
{
initializeRecorder();
_serviceClient = new SpeakerVerificationServiceClient(_subscriptionKey);
string userPhrase = _storageHelper.readValue(MainWindow.SPEAKER_PHRASE_FILENAME);
userPhraseTxt.Text = userPhrase;
stopRecordBtn.IsEnabled = false;
}
}
catch (Exception gexp)
{
setStatus("Error: " + gexp.Message);
recordBtn.IsEnabled = false;
stopRecordBtn.IsEnabled = false;
}
}
/// <summary>
/// Creates a speaker profile
/// </summary>
/// <returns>A boolean indicating the success/failure of the process</returns>
private async Task <bool> createProfile()
{
setStatus("Creating Profile...");
try
{
Stopwatch sw = Stopwatch.StartNew();
CreateProfileResponse response = await _serviceClient.CreateProfileAsync("en-us");
sw.Stop();
setStatus("Profile Created, Elapsed Time: " + sw.Elapsed);
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
_storageHelper.writeValue(MainWindow.SPEAKER_FILENAME, response.ProfileId.ToString());
_speakerId = response.ProfileId;
Profile profile = await _serviceClient.GetProfileAsync(_speakerId);
setDisplayText(profile.RemainingEnrollmentsCount.ToString(), "");
_storageHelper.writeValue(MainWindow.SPEAKER_ENROLLMENTS, profile.RemainingEnrollmentsCount.ToString());
_storageHelper.writeValue(MainWindow.SPEAKER_PHRASE_FILENAME, "");
_storageHelper.writeValue(MainWindow.SPEAKER_ENROLLMENT_STATUS, "Empty");
return(true);
}
catch (CreateProfileException exception)
{
setStatus("Cannot create profile: " + exception.Message);
return(false);
}
catch (Exception gexp)
{
setStatus("Error: " + gexp.Message);
return(false);
}
}
/// <summary>
/// Creates an Instance of the storage helper
/// </summary>
/// <returns></returns>
public static IsolatedStorageHelper getInstance()
{
if (s_helper == null)
{
s_helper = new IsolatedStorageHelper();
}
return(s_helper);
}
/// <summary>
/// Initialize the speaker information
/// </summary>
private async void initializeSpeaker()
{
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
string _savedSpeakerId = _storageHelper.readValue(MainWindow.SPEAKER_FILENAME);
if (_savedSpeakerId != null)
{
_speakerId = new Guid(_savedSpeakerId);
}
record.IsEnabled = false;
if (_speakerId == Guid.Empty)
{
bool created = await createProfile();
if (created)
{
refreshPhrases();
}
resetBtn.IsEnabled = false;
}
else
{
setStatus("Using profile Id: " + _speakerId.ToString());
refreshPhrases();
string remEnrollments = _storageHelper.readValue(MainWindow.SPEAKER_ENROLLMENTS);
int _remainingEnrollments;
if (!Int32.TryParse(remEnrollments, out _remainingEnrollments))
{
Profile profile = await _serviceClient.GetProfileAsync(_speakerId);
_remainingEnrollments = profile.RemainingEnrollmentsCount;
_storageHelper.writeValue(MainWindow.SPEAKER_ENROLLMENTS, _remainingEnrollments.ToString());
}
string enrollmentStatus = _storageHelper.readValue(MainWindow.SPEAKER_ENROLLMENT_STATUS);
if (enrollmentStatus != null && !enrollmentStatus.Equals("Empty"))
{
resetBtn.IsEnabled = true;
}
setDisplayText(_remainingEnrollments.ToString(), _storageHelper.readValue(MainWindow.SPEAKER_PHRASE_FILENAME));
}
}
/// <summary>
/// Initialization constructor for the verify speaker page
/// </summary>
public VerifySpeakerPage()
{
InitializeComponent();
_subscriptionKey = ((MainWindow)Application.Current.MainWindow).SubscriptionKey;
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
_speakerId = _storageHelper.readValue(MainWindow.SPEAKER_FILENAME);
if (_speakerId == null)
{
((MainWindow)Application.Current.MainWindow).Log("You need to create a profile and complete enrollments first before verification");
recordBtn.IsEnabled = false;
stopRecordBtn.IsEnabled = false;
}
else
{
initializeRecorder();
_serviceClient = new SpeechVerificationServiceClient(_subscriptionKey);
string userPhrase = _storageHelper.readValue(MainWindow.SPEAKER_PHRASE_FILENAME);
userPhraseTxt.Text = userPhrase;
stopRecordBtn.IsEnabled = false;
}
}
/// <summary>
/// Remove current speaker Id
/// </summary>
/// <param name="sender">Sender object responsible for event</param>
/// <param name="e">A set of arguments sent to the listener</param>
private async void resetBtn_Click(object sender, RoutedEventArgs e)
{
try
{
setStatus("Resetting profile: " + _speakerId);
await _serviceClient.ResetEnrollmentsAsync(_speakerId);
setStatus("Profile reset");
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
_storageHelper.writeValue(MainWindow.SPEAKER_ENROLLMENTS, "Empty");
resetBtn.IsEnabled = false;
remEnrollText.Text = "";
verPhraseText.Text = "";
}
catch (ResetEnrollmentsException exp)
{
setStatus("Cannot reset Profile: " + exp.Message);
}
catch (Exception gexp)
{
setStatus("Error: " + gexp.Message);
}
}
/// <summary>
/// Persists the verification phrase of the speaker
/// </summary>
/// <param name="phrase">The user phrase</param>
private void setUserPhrase(string phrase)
{
IsolatedStorageHelper _storageHelper = IsolatedStorageHelper.getInstance();
_storageHelper.writeValue(MainWindow.SPEAKER_PHRASE_FILENAME, phrase);
}
/// <summary>
/// Creates an Instance of the storage helper
/// </summary>
/// <returns></returns>
public static IsolatedStorageHelper getInstance()
{
if (s_helper == null)
s_helper = new IsolatedStorageHelper();
return s_helper;
}
