MainPageXamlcs-speech01

using System;
using System.Collections.Generic;
using Windows.Media.SpeechSynthesis;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;
using Windows.ApplicationModel.Resources.Core;

// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409

namespace App1 {
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class MainPage : Page {

        private SpeechSynthesizer synthesizer;
        private ResourceContext speechContext;
        private ResourceMap speechResourceMap;
        private MediaElement _media = new MediaElement();

        public static MainPage Current;
        public MainPage() {
            this.InitializeComponent();
            synthesizer = new SpeechSynthesizer();
            speechContext = ResourceContext.GetForCurrentView();
            speechContext.Languages = new string[] { SpeechSynthesizer.DefaultVoice.Language };
            speechResourceMap = ResourceManager.Current.MainResourceMap.GetSubtree("LocalizationTTSResources");
        }

        public List<Scenario> Scenarios
        {
            get { return this.scenarios; }
        }

        private async void orangeButton_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e) {

            if (_media.CurrentState.Equals(MediaElementState.Playing)) {
                _media.Stop();
            }
            else {
                string text = textBox1.Text.ToString();
                if (!String.IsNullOrEmpty(text)) {
                    // Change the button label. You could also just disable the button if you don't want any user control.


                    try {
                        // Create a stream from the text. This will be played using a media element.
                        SpeechSynthesisStream synthesisStream = await synthesizer.SynthesizeTextToStreamAsync(text);

                        // Set the source and start playing the synthesized audio stream.
                        _media.AutoPlay = true;
                        _media.SetSource(synthesisStream, synthesisStream.ContentType);
                        _media.Play();
                    }
                    catch (System.IO.FileNotFoundException) {
                        // If media player components are unavailable, (eg, using a N SKU of windows), we won't
                        // be able to start media playback. Handle this gracefully

                        var messageDialog = new Windows.UI.Popups.MessageDialog("Media player components unavailable");
                        await messageDialog.ShowAsync();
                    }
                    catch (Exception) {
                        // If the text is unable to be synthesized, throw an error message to the user.

                        media.AutoPlay = false;
                        var messageDialog = new Windows.UI.Popups.MessageDialog("Unable to synthesize text");
                        await messageDialog.ShowAsync();
                    }
                }
            }




        }

        //https://msdn.microsoft.com/en-us/library/windows.media.speechsynthesis.speechsynthesizer.aspx
        private async void orangeButton2_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e) {

            MediaElement mediaElement = _media;

            // The object for controlling the speech synthesis engine (voice).
            var synth = new SpeechSynthesizer();

            // Generate the audio stream from plain text.
            SpeechSynthesisStream stream = await synth.SynthesizeTextToStreamAsync("Hello World");

            // Send the stream to the media object.
            mediaElement.SetSource(stream, stream.ContentType);
            mediaElement.Play();
        }

        private async void orangeButton3_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e) {

            // The string to speak with SSML customizations.
            string Ssml =
                @"<speak version='1.0' " +
                "xmlns='http://www.w3.org/2001/10/synthesis' xml:lang='en-GB'>" +
                "Hello <prosody contour='(0%,+80Hz) (10%,+80%) (40%,+80Hz)'>World</prosody> " +
                "<break time='500ms' />" +
                "Goodbye <prosody rate='slow' contour='(0%,+20Hz) (10%,+30%) (40%,+10Hz)'>World</prosody>" +
                "</speak>";

            // The media object for controlling and playing audio.
            MediaElement mediaElement = _media;

            // The object for controlling the speech synthesis engine (voice).
            var synth = new SpeechSynthesizer();

            // Generate the audio stream from plain text.
            SpeechSynthesisStream stream = await synth.SynthesizeSsmlToStreamAsync(Ssml);

            // Send the stream to the media object.
            mediaElement.SetSource(stream, stream.ContentType);
            mediaElement.Play();
        }
    }
}