private static async Task <bool> TranscribeIdentifiedSpeakers(string meetingMinutesFilePath,
SpeechIdentifier.SpeechIdentifier speechIdentifier,
string wavFilePath, SpeechConfig config)
{
using (var meetingMinutesWriter = new StreamWriter(meetingMinutesFilePath))
{
var recognitionResults = speechIdentifier.RecognitionResults.ToList();
var startIndex = 0;
var currentResult = recognitionResults.FirstOrDefault(x => x.Succeeded);
if (currentResult == null)
{
WriteLine("No recognized speaker identified. Skipping");
return(true);
}
for (var index = 0; index < recognitionResults.Count; index++)
{
var result = recognitionResults[index];
if (!result.Succeeded || result.Value.IdentifiedProfileId == default)
{
continue;
}
if (index != recognitionResults.Count - 1 &&
currentResult.Value.IdentifiedProfileId == result.Value.IdentifiedProfileId)
{
continue;
}
WriteLine("Transcribing from {0} to {1}", startIndex, index);
var transcriber = new Transcriber(wavFilePath, meetingMinutesWriter);
var person = GetSpeakerName(currentResult);
currentResult = result;
await transcriber.TranscribeSpeechFromAudioStream(config, person, startIndex, index);
startIndex = index;
}
}
return(false);
}
private static async Task CallCognitiveServices(MeetingMinutesUiPathArguments meetingMinutesUiPathArguments)
{
try
{
var wavFileCount = _audioWriter.WavFileCount;
_audioWriter = new AudioWriter(OutputFolder);
meetingMinutesUiPathArguments.KeyPhrasesFilePath = $"{wavFileCount}.keyphrases.txt";
meetingMinutesUiPathArguments.MinutesFilePath = $"{wavFileCount}.minutes.txt";
meetingMinutesUiPathArguments.SentimentFilePath = $"{wavFileCount}.sentiment.txt";
meetingMinutesUiPathArguments.TranscribedFilePath = $"{wavFileCount}.transcribed.txt";
var fullTranscribeSpeechPath = Combine(OutputFolder, meetingMinutesUiPathArguments.TranscribedFilePath);
var meetingMinutesFilePath = Combine(OutputFolder, meetingMinutesUiPathArguments.MinutesFilePath);
var keyExtractionFilePath = Combine(OutputFolder, meetingMinutesUiPathArguments.KeyPhrasesFilePath);
var sentimentAnalysisFilePath = Combine(OutputFolder, meetingMinutesUiPathArguments.SentimentFilePath);
var config = SpeechConfig.FromSubscription(Settings.SpeechServiceSubscriptionKey, "eastus");
config.SpeechRecognitionLanguage = "en-US";
WriteLine("===== Initializing Speech Identifier =====");
var speakerIdentifierHttpRequests = new List <Task>();
SpeechIdentifier.SpeechIdentifier speechIdentifier =
new SpeechIdentifier.SpeechIdentifier(_audioWriter.OutputFilePath, speakerIdentifierHttpRequests);
await speechIdentifier.IdentifySpeakers();
Task.WaitAll(speakerIdentifierHttpRequests.ToArray());
WriteLine("===== Done Speaker Identification =====");
WriteLine();
WriteLine("===== Transcribing Identified Speakers =====");
if (await TranscribeIdentifiedSpeakers(meetingMinutesFilePath, speechIdentifier,
_audioWriter.OutputFilePath,
config)
)
{
return;
}
WriteLine("===== Done Transcribing Identified Speakers =====");
WriteLine();
WriteLine("===== Transcribing entire audio =====");
using (var fullTranscribeSpeechWriter = new StreamWriter(fullTranscribeSpeechPath))
{
var transcriber = new Transcriber(_audioWriter.OutputFilePath, fullTranscribeSpeechWriter);
await transcriber.TranscribeSpeechFromWavFileInput(config);
}
WriteLine("===== Done Transcribing entire audio =====");
WriteLine();
WriteLine("===== Initializing Key Extraction and Sentiment Analysis =====");
var textAnalytics =
new TextAnalytics.TextAnalytics(meetingMinutesFilePath, fullTranscribeSpeechPath);
textAnalytics.KeyExtraction(keyExtractionFilePath);
textAnalytics.SentimentAnalysis(sentimentAnalysisFilePath);
WriteLine("===== Done Key Extraction and Sentiment Analysis =====");
WriteLine();
}
catch (Exception e)
{
WriteLine(e);
ReadLine();
throw;
}
}