// helper function for speaker verification.
public static async Task VerifySpeakerAsync(SpeechConfig config, VoiceProfile profile)
{
var speakerRecognizer = new SpeakerRecognizer(config, AudioConfig.FromWavFileInput(@"myVoiceIsMyPassportVerifyMe04.wav"));
var model = SpeakerVerificationModel.FromProfile(profile);
var result = await speakerRecognizer.RecognizeOnceAsync(model);
if (result.Reason == ResultReason.RecognizedSpeaker)
{
Console.WriteLine($"Verified voice profile {result.ProfileId}, score is {result.Score}");
}
else if (result.Reason == ResultReason.Canceled)
{
var cancellation = SpeakerRecognitionCancellationDetails.FromResult(result);
Console.WriteLine($"CANCELED {profile.Id}: ErrorCode={cancellation.ErrorCode}");
Console.WriteLine($"CANCELED {profile.Id}: ErrorDetails={cancellation.ErrorDetails}");
}
}
private async Task RecognizeFromSourceAsync(SourceType sourceType, StorageFile file = null)
{
try
{
ProcessState = ProcessState.Processing;
ToggleUI(isProcessing: true);
// get all identification profiles based on current speakerRecognitionService
SpeakerProfilesResponse userProfileResponse = await this.userProvidedSpeakerRecognitionService.GetProfilesAsync(VoiceProfileType.TextIndependentIdentification);
List <SpeakerRecognitionViewModel> userIdentificationProfiles = userProfileResponse != null?Models.Where(m => userProfileResponse.Profiles.Select(p => p.ProfileId).Contains(m.IdentificationProfileId)).ToList() : new List <SpeakerRecognitionViewModel>();
// recognize
SpeakerRecognitionResult userResult = null;
using (AudioConfig audioInput = sourceType == SourceType.FromFile ? AudioConfig.FromWavFileInput(file.Path) : AudioConfig.FromDefaultMicrophoneInput())
{
userResult = await RecognizeAsync(userProvidedSpeechConfig, audioInput, userIdentificationProfiles);
}
// display result
if (userResult == null || userResult.Reason == ResultReason.Canceled)
{
ProcessState = ProcessState.Error;
var cancellation = SpeakerRecognitionCancellationDetails.FromResult(userResult);
await ShowMessage("Speaker Identification Error", $"CANCELED: ErrorCode={cancellation.ErrorCode} ErrorDetails={cancellation.ErrorDetails}");
}
else
{
ProcessState = ProcessState.Completed;
double score = userResult?.Score ?? 0;
this.detectedVoice.Text = userResult != null?userIdentificationProfiles.FirstOrDefault(m => string.Equals(m.IdentificationProfileId, userResult.ProfileId, StringComparison.OrdinalIgnoreCase))?.Name : string.Empty;
this.detectedVoiceProbability.Text = $"({Math.Round(score * 100)}%)";
}
}
catch (Exception ex)
{
ProcessState = ProcessState.Error;
await Util.GenericApiCallExceptionHandler(ex, "Speaker recognition error");
}
finally
{
ToggleUI(isProcessing: false);
}
}
