Using speech recognition, speech synthesis, and the Wolfram Alpha API to make a simple Siri clone

osiris.cs

var WA_API_KEY = @"";

var VoiceOut = new System.Speech.Synthesis.SpeechSynthesizer();
VoiceOut.SelectVoiceByHints(VoiceGender.Female, VoiceAge.Adult, 0, CultureInfo.CurrentCulture);
VoiceOut.SetOutputToDefaultAudioDevice();

var WA = new WAClient(WA_API_KEY);
WA.OnResultReceived += (WAResult, input) =>
    {
        try
        {
            var result = WAResult.Pods.First(p => p.Title == "Result").SubPods.First().PlainText;
            
            Debug.WriteLine(result);
            VoiceOut.SpeakAsync(result);
        }
        catch (Exception ex)
        {
            VoiceOut.SpeakAsync("I don't know");
        }
    };

var VoiceIn = new SpeechRecognitionEngine();
VoiceIn.LoadGrammar(new DictationGrammar("grammar:dictation"));
VoiceIn.SetInputToDefaultAudioDevice();
VoiceIn.SpeechRecognized += (s, e) =>
    {
        Debug.WriteLine(e.Result.Text);
        WA.GetResultAsync(e.Result.Text);

        VoiceOut.SpeakAsync("Let me check");
    };
VoiceIn.RecognizeAsync(RecognizeMode.Multiple);