(function() {

    "use strict";

    var sdk = require("microsoft-cognitiveservices-speech-sdk");
    var readline = require("readline");

    var audioFile = "YourAudioFile.wav";
    // This example requires environment variables named "SPEECH_KEY" and "SPEECH_REGION"
    const speechConfig = sdk.SpeechConfig.fromSubscription("c0d12660f15c4869bf2572fda3cb91ab", "germanywestcentral");
    const audioConfig = sdk.AudioConfig.fromAudioFileOutput(audioFile);

    // The language of the voice that speaks.
    // speechConfig.speechSynthesisVoiceName = "de-DE-LouisaNeural"; 
    speechConfig.speechSynthesisVoiceName = "de-AT-IngridNeural"
    // speechConfig.speechSynthesisVoiceName = "de-AT-JonasNeural"
    // speechConfig.speechSynthesisVoiceName = "de-DE-ConradNeural"


    // Create the speech synthesizer.
    var synthesizer = new sdk.SpeechSynthesizer(speechConfig, audioConfig);

    var rl = readline.createInterface({
      input: process.stdin,
      output: process.stdout
    });

    rl.question("Enter some text that you want to speak >\n> ", function (text) {
      rl.close();
      // Start the synthesizer and wait for a result.
      synthesizer.speakTextAsync(text,
          function (result) {
        if (result.reason === sdk.ResultReason.SynthesizingAudioCompleted) {
          console.log("synthesis finished.");
        } else {
          console.error("Speech synthesis canceled, " + result.errorDetails +
              "\nDid you set the speech resource key and region values?");
        }
        synthesizer.close();
        synthesizer = null;
      },
          function (err) {
        console.trace("err - " + err);
        synthesizer.close();
        synthesizer = null;
      });
      console.log("Now synthesizing to: " + audioFile);
    });
}());