public void Speak(string text)
{
var utterance = new AVSpeechUtterance(text);
utterance.Rate = AVSpeechUtterance.MinimumSpeechRate + 0.1f;
utterance.Voice = AVSpeechSynthesisVoice.FromLanguage("en-us");
_synthesizer.SpeakUtterance(utterance);
}
public void Speak(string text, string voiceTypeIdentifier, FinishEvent audioFinishHandler = null)
{
if (string.IsNullOrEmpty(text))
{
throw new ArgumentNullException("text");
}
if (IsPlaying)
{
return;
}
this.audioFinishHandler = audioFinishHandler;
IsPlaying = true;
AVAudioSession.SharedInstance().SetCategory(AVAudioSessionCategory.PlayAndRecord,
AVAudioSessionCategoryOptions.AllowBluetooth | AVAudioSessionCategoryOptions.AllowBluetoothA2DP);
AVAudioSession.SharedInstance().OverrideOutputAudioPort(AVAudioSessionPortOverride.Speaker, out NSError error);
AVSpeechUtterance speechUtterance = new AVSpeechUtterance(text);
if (!string.IsNullOrEmpty(voiceTypeIdentifier))
{
speechUtterance.Voice = AVSpeechSynthesisVoice.FromIdentifier(voiceTypeIdentifier);
}
speechSynthesizer.SpeakUtterance(speechUtterance);
}
internal static void _OnStarted(AVSpeechUtterance utterance)
{
if (_speechStartedHandlers != null)
{
_speechStartedHandlers(null, new SpeechEventArgs(utterance));
}
}
internal static void _OnWillSpeak(AVSpeechUtterance utterance, NSRange characterRange)
{
if (_willSpeakHandlers != null)
{
_willSpeakHandlers(null, new SpeechWillSpeakEventArgs(utterance, characterRange));
}
}
// only works on devices, not the iOS Simulator?
public void Speak()
{
context.Fetch(); // re-populates with updated values
var text = taskDialog.Name + ". " + taskDialog.Notes;
if (UIDevice.CurrentDevice.CheckSystemVersion(7, 0))
{
var speechSynthesizer = new AVSpeechSynthesizer();
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
Voice = AVSpeechSynthesisVoice.FromLanguage("en-AU"),
Volume = 0.5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
else
{
Console.WriteLine("Speech requires iOS 7");
}
}
public Task <bool> Speak(string text, bool disableMusic = false)
{
_speakTask = new TaskCompletionSource <bool>();
if (IsEnabled)
{
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 2,
Voice = AVSpeechSynthesisVoice.FromLanguage("en-US"),
Volume = 1.0f,
PitchMultiplier = 1.0f
//PreUtteranceDelay = 0.1
};
_speechSynthesizer.DidFinishSpeechUtterance += (sender, e) =>
{
_speakTask.TrySetResult(true);
};
if (_speechSynthesizer.Speaking)
{
_speechSynthesizer.StopSpeaking(AVSpeechBoundary.Immediate);
}
_speechSynthesizer.SpeakUtterance(speechUtterance);
}
return(_speakTask.Task);
}
private AVSpeechUtterance GetSpeechUtterance(string text, CrossLocale? crossLocale, float? pitch, float? speakRate, float? volume)
{
AVSpeechUtterance speechUtterance;
var voice = GetVoiceForLocaleLanguage(crossLocale);
if (UIDevice.CurrentDevice.CheckSystemVersion(8, 0))
{
speechUtterance = new AVSpeechUtterance(" ");
speechUtterance.Voice = voice;
}
else
{
speakRate = NormalizeSpeakRate(speakRate);
volume = NormalizeVolume(volume);
pitch = NormalizePitch(pitch);
speechUtterance = new AVSpeechUtterance(text)
{
Rate = speakRate.Value,
Voice = voice,
Volume = volume.Value,
PitchMultiplier = pitch.Value
};
}
return speechUtterance;
}
static AVSpeechUtterance GetSpeechUtterance(string text, SpeechOptions options)
{
var speechUtterance = new AVSpeechUtterance(text);
if (options != null)
{
// null voice if fine - it is the default
speechUtterance.Voice =
AVSpeechSynthesisVoice.FromLanguage(options.Locale?.Language) ??
AVSpeechSynthesisVoice.FromLanguage(AVSpeechSynthesisVoice.CurrentLanguageCode);
// the platform has a range of 0.5 - 2.0
// anything lower than 0.5 is set to 0.5
if (options.Pitch.HasValue)
{
speechUtterance.PitchMultiplier = options.Pitch.Value;
}
if (options.Volume.HasValue)
{
speechUtterance.Volume = options.Volume.Value;
}
}
return(speechUtterance);
}
internal static async Task SpeakUtterance(AVSpeechUtterance speechUtterance, CancellationToken cancelToken)
{
var tcsUtterance = new TaskCompletionSource <bool>();
var speechSynthesizer = new AVSpeechSynthesizer();
try
{
speechSynthesizer.DidFinishSpeechUtterance += OnFinishedSpeechUtterance;
speechSynthesizer.SpeakUtterance(speechUtterance);
using (cancelToken.Register(TryCancel))
{
await tcsUtterance.Task;
}
}
finally
{
speechSynthesizer.DidFinishSpeechUtterance -= OnFinishedSpeechUtterance;
}
void TryCancel()
{
speechSynthesizer?.StopSpeaking(AVSpeechBoundary.Word);
tcsUtterance?.TrySetResult(true);
}
void OnFinishedSpeechUtterance(object sender, AVSpeechSynthesizerUteranceEventArgs args)
{
if (speechUtterance == args.Utterance)
{
tcsUtterance?.TrySetResult(true);
}
}
}
public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear (animated);
this.View.BackgroundColor = UIColor.LightGray;
txtSpeak = new UITextView (new RectangleF (20, 50, this.View.Bounds.Width - 40, 100));
txtSpeak.Text = "Xamarin rocks!";
this.View.AddSubview (txtSpeak);
segAccent = new UISegmentedControl (new string[] {"US", "UK", "AUS" });
segAccent.Frame = new RectangleF(20,160,this.View.Bounds.Width - 40, 50);
segAccent.SelectedSegment = 0;
this.View.AddSubview (segAccent);
lblRate = new UILabel (new RectangleF (20, 230, 200, 20));
lblRate.Text = "Rate";
this.View.AddSubview (lblRate);
sldRate = new UISlider(new RectangleF(20,250,this.View.Bounds.Width - 40, 50));
sldRate.MinValue = 0;
sldRate.MaxValue = 100;
sldRate.Value = 75;
this.View.AddSubview (sldRate);
lblPitch = new UILabel (new RectangleF (20, 305, 200, 20));
lblPitch.Text = "Pitch";
this.View.AddSubview (lblPitch);
sldPitch = new UISlider(new RectangleF(20,325,this.View.Bounds.Width - 40, 50));
sldPitch.MinValue = 0;
sldPitch.MaxValue = 100;
sldPitch.Value = 75;
this.View.AddSubview (sldPitch);
btnSpeak = new UIButton (UIButtonType.RoundedRect);
btnSpeak.Frame = new RectangleF (100, 375, this.View.Bounds.Width - 200, 30);
btnSpeak.SetTitle ("Speak", UIControlState.Normal);
btnSpeak.TouchDown += (object sender, EventArgs e) => {
var speechSynthesizer = new AVSpeechSynthesizer ();
var speechUtterance =
new AVSpeechUtterance (txtSpeak.Text);
string lang = "en-US";
if (segAccent.SelectedSegment == 1) lang = "en-GB";
if (segAccent.SelectedSegment == 2) lang = "en-AU";
speechUtterance.Voice = AVSpeechSynthesisVoice.FromLanguage (lang);
speechUtterance.Rate = AVSpeechUtterance.MaximumSpeechRate * (sldRate.Value / 100);
speechUtterance.PitchMultiplier = 2.0f * (sldPitch.Value / 100);
speechSynthesizer.SpeakUtterance (speechUtterance);
};
this.View.AddSubview (btnSpeak);
}
public static Task Speak(string text)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var tcs = new TaskCompletionSource <bool> ();
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
//Voice = AVSpeechSynthesisVoice.FromLanguage ("en-AU"),
//Volume = 0.5f,
//PitchMultiplier = 1.5f
};
EventHandler <AVSpeechSynthesizerUteranceEventArgs> del = null;
del = (object sender, AVSpeechSynthesizerUteranceEventArgs e) => {
if (e.Utterance == speechUtterance)
{
tcs.TrySetResult(true);
speechSynthesizer.DidFinishSpeechUtterance -= del;
}
};
speechSynthesizer.DidFinishSpeechUtterance += del;
speechSynthesizer.SpeakUtterance(speechUtterance);
return(tcs.Task);
}
private AVSpeechUtterance GetSpeechUtterance(string text, CrossLocale?crossLocale, float?pitch, float?speakRate, float?volume)
{
AVSpeechUtterance speechUtterance;
var voice = GetVoiceForLocaleLanguage(crossLocale);
speakRate = NormalizeSpeakRate(speakRate);
pitch = NormalizePitch(pitch);
speechUtterance = new AVSpeechUtterance(text)
{
Rate = speakRate.Value,
Voice = voice,
PitchMultiplier = pitch.Value
};
if (volume.HasValue)
{
volume = NormalizeVolume(volume);
speechUtterance.Volume = volume.Value;
}
return(speechUtterance);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
#region Using Siri's Voice
//First we're gonna create the AvFundation in which we use it for reading the speech using the Siri's voice
AVSpeechSynthesizer Siri = new AVSpeechSynthesizer();
#endregion
ButtonDesc.TouchUpInside += Happiness;
#region Hapiness Method Async
//This is used for getting the Image which we're gonna use
async void Happiness(object sender, EventArgs e)
{
var Path = await DownloadImageHappiness();
ImgDetection.Image = UIImage.FromFile(Path);
var StreamImage = ImgDetection.Image.AsJPEG(.5f).AsStream();
{
try
{
float Percent = await HappinessLevel(StreamImage);
TextDescription.Text = GettingMessage(Percent);
var Voice = new AVSpeechUtterance(TextDescription.Text);
Voice.Voice = AVSpeechSynthesisVoice.FromLanguage("es-MX");
Siri.SpeakUtterance(Voice);
}
catch (Exception ex)
{ TextDescription.Text = ex.Message; }
}
}
#endregion
}
async Task SpeakUtterance(AVSpeechUtterance speechUtterance, CancellationToken cancelToken)
{
AVSpeechSynthesizer speechSynthesizer = new AVSpeechSynthesizer();
try
{
currentSpeak = new TaskCompletionSource <object>();
speechSynthesizer.DidFinishSpeechUtterance += OnFinishedSpeechUtterance;
speechSynthesizer.SpeakUtterance(speechUtterance);
using (cancelToken.Register(TryCancel))
{
await currentSpeak.Task;
}
}
finally
{
speechSynthesizer.DidFinishSpeechUtterance -= OnFinishedSpeechUtterance;
speechSynthesizer.Dispose();
}
void OnFinishedSpeechUtterance(object sender, AVSpeechSynthesizerUteranceEventArgs args) =>
currentSpeak?.TrySetResult(null);
void TryCancel()
{
speechSynthesizer?.StopSpeaking(AVSpeechBoundary.Word);
currentSpeak?.TrySetCanceled();
}
}
public void Speak(string text)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var speechUtterance = new AVSpeechUtterance(text);
speechSynthesizer.SpeakUtterance(speechUtterance);
}
private AVSpeechUtterance GetSpeechUtterance(string text, CrossLocale?crossLocale, float?pitch, float?speakRate, float?volume)
{
AVSpeechUtterance speechUtterance;
var voice = GetVoiceForLocaleLanguage(crossLocale);
if (UIDevice.CurrentDevice.CheckSystemVersion(8, 0))
{
speechUtterance = new AVSpeechUtterance(text)
{
Voice = voice
};
}
else
{
speakRate = NormalizeSpeakRate(speakRate);
volume = NormalizeVolume(volume);
pitch = NormalizePitch(pitch);
speechUtterance = new AVSpeechUtterance(text)
{
Rate = speakRate.Value,
Voice = voice,
Volume = volume.Value,
PitchMultiplier = pitch.Value
};
}
return(speechUtterance);
}
async void Descripcion(object sender, EventArgs e)
{
var ruta = await DescargarImagenAnalizarFelicidad();
imagen.Image = UIImage.FromFile(ruta);
var StreamdeImagen = imagen.Image.AsJPEG(.5f).AsStream();
{
try
{
var result = await DescripciondeImagen(StreamdeImagen);
imagen.Dispose();
lblDescripccion.Text = "";
foreach (string tags in result.Description.Tags)
{
var voz = new AVSpeechUtterance(tags);
lblDescripccion.Text = lblDescripccion.Text + "\n" + tags;
habla.SpeakUtterance(voz);
}
}
catch (Exception ex)
{
lblDescripccion.Text = ex.Message;
}
}
}
public void Dispose()
{
synthesizer.DidFinishSpeechUtterance -= OnFinishedSpeechUtterance;
utterance.Dispose();
synthesizer.Dispose();
utterance = null;
synthesizer = null;
}
public void Play()
{
if (!String.IsNullOrEmpty (Text)) {
var speechSynthesizer = new AVSpeechSynthesizer ();
var speechUtterance = new AVSpeechUtterance (Text);
speechSynthesizer.SpeakUtterance (speechUtterance);
}
}
private void SpeakUtterance(bool queue, AVSpeechUtterance speechUtterance)
{
if (!queue && speechSynthesizer.Speaking)
{
speechSynthesizer.StopSpeaking(AVSpeechBoundary.Word);
}
speechSynthesizer.SpeakUtterance(speechUtterance);
}
public static void Speak(string toSpeak)
{
var speechSynthesizer = new AVSpeechSynthesizer ();
var speechUtterance = new AVSpeechUtterance (toSpeak) {
Rate = AVSpeechUtterance.MaximumSpeechRate / 3
};
speechSynthesizer.SpeakUtterance (speechUtterance);
}
public static void Speak(string toSpeak)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var speechUtterance = new AVSpeechUtterance(toSpeak)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 3
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
public void Speak(string text){
var speechSynthesizer = new AVSpeechSynthesizer ();
var speechUtterance = new AVSpeechUtterance (text) {
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
Voice = AVSpeechSynthesisVoice.FromLanguage ("en-US"),
Volume = 0.5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance (speechUtterance);
}
public void Speak(string text)
{
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
Voice = language,//AVSpeechSynthesisVoice.FromLanguage("ko-KR"),
Volume = 0.5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
public void Falar(string Fala)
{
var speechSynthesizer = new AVSpeechSynthesizer ();
var speechUtterance = new AVSpeechUtterance (Fala) {
Rate = AVSpeechUtterance.MaximumSpeechRate/4,
Volume = 0.5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance (speechUtterance);
}
public void speak(string text)
{
var speechSinthesizer = new AVSpeechSynthesizer();
var speechUterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
Voice = AVSpeechSynthesisVoice.FromLanguage("es-ES"),
Volume = 0.5F,
PitchMultiplier = 1.0F
};
speechSinthesizer.SpeakUtterance(speechUterance);
}
public void Speak(string text)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.DefaultSpeechRate,
Voice = AVSpeechSynthesisVoice.FromLanguage("en-US"),
Volume = 1f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
public void Speak(string text, string language)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 2,
Voice = AVSpeechSynthesisVoice.FromLanguage(language),
Volume = 1f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
public void Speak(string text)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 3,
Voice = AVSpeechSynthesisVoice.FromLanguage("en-US"),
Volume = volume,
PitchMultiplier = pitch
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
/// <summary>
/// Uses speech synthesis to say something.
/// </summary>
/// <param name="text">Text.</param>
void Say(string text)
{
// Speak the current location.
var utterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
Voice = AVSpeechSynthesisVoice.FromLanguage("en-US"),
Volume = .5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance(utterance);
}
public void LowSpeak(string text)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 2,
Voice = SelectVoice(),
Volume = 0.3f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
public void Speak(string speakText)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var speechUtterance = new AVSpeechUtterance(speakText)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 2,
Voice = AVSpeechSynthesisVoice.FromLanguage("en-US"),
Volume = 0.5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
public void Play(string message)
{
if (_speaker.Speaking)
return;
var speechUtterance = new AVSpeechUtterance(message)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 5,
Voice = AVSpeechSynthesisVoice.FromLanguage("en-US"),
Volume = 1f,
PitchMultiplier = 1.0f
};
_speaker.SpeakUtterance(speechUtterance);
}
private void AISpeech(string textSpeak, float speechRate)
{
AVSpeechSynthesizer speech = new AVSpeechSynthesizer();
AVSpeechUtterance speechUtterance = new AVSpeechUtterance(textSpeak)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / speechRate,
Voice = AVSpeechSynthesisVoice.FromLanguage("en-US"),
Volume = 1.0f,
PitchMultiplier = 1.0f
};
speech.SpeakUtterance(speechUtterance);
}
public void Speak(string text, SpeechLanguages lang)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
//Voice = AVSpeechSynthesisVoice.FromLanguage(lang.ToLocale().LocaleIdentifier),
Volume = 0.5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
partial void btnSpeak_TouchUpInside(UIButton sender)
{
var speechSynthesizer = new AVSpeechSynthesizer ();
var button = (UIButton)sender;
var speechUtterance = new AVSpeechUtterance (button.TitleLabel.Text) {
Rate = AVSpeechUtterance.MaximumSpeechRate/4,
Voice = AVSpeechSynthesisVoice.FromLanguage ("en-US"),
Volume = 0.5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance (speechUtterance);
}
/// <summary>
/// Speak example from:
/// http://blog.xamarin.com/make-your-ios-7-app-speak/
/// </summary>
public void Speak (string text)
{
if (!string.IsNullOrWhiteSpace (text)) {
var speechSynthesizer = new AVSpeechSynthesizer ();
var speechUtterance = new AVSpeechUtterance (text) {
Rate = AVSpeechUtterance.MaximumSpeechRate/4,
Voice = AVSpeechSynthesisVoice.FromLanguage ("en-US"),
Volume = volume,
PitchMultiplier = pitch
};
speechSynthesizer.SpeakUtterance (speechUtterance);
}
}
public Task SpeakTextAsync(string text)
{
return(Task.Run(() =>
{
var speechUtterance = new AVSpeechUtterance(text.ToLower())
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
Voice = _voice,
Volume = 0.5f,
PitchMultiplier = 1.0f
};
_speechSynthesizer.SpeakUtterance(speechUtterance);
}));
}
//french voice that will be used to read the subtitle (DetailTextLabel) property of the french phrases, stored currently in the table view's memory cache
public void frenchPhraseBookAI(string textToSpeak)
{
AVSpeechSynthesizer frenchSpeech = new AVSpeechSynthesizer();
AVSpeechUtterance frenchVoice = new AVSpeechUtterance(textToSpeak)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 2.2f,
Voice = AVSpeechSynthesisVoice.FromLanguage("fr"),
Volume = 1.0f,
PitchMultiplier = 1.0f
};
frenchSpeech.SpeakUtterance(frenchVoice);
}
//english voice that notifies the end user of background executions
public void englishAIBackground(string textToSpeak)
{
AVSpeechSynthesizer englishSpeech = new AVSpeechSynthesizer();
AVSpeechUtterance englishVoice = new AVSpeechUtterance(textToSpeak)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 2.2f,
Voice = AVSpeechSynthesisVoice.FromLanguage("en-US"),
Volume = 1.0f,
PitchMultiplier = 1.0f
};
englishSpeech.SpeakUtterance(englishVoice);
}
/// <summary>
/// Speak back text
/// </summary>
/// <param name="text">Text to speak</param>
/// <param name="queue">If you want to chain together speak command or cancel current</param>
/// <param name="crossLocale">Locale of voice</param>
/// <param name="pitch">Pitch of voice</param>
/// <param name="speakRate">Speak Rate of voice (All) (0.0 - 2.0f)</param>
/// <param name="volume">Volume of voice (iOS/WP) (0.0-1.0)</param>
public void Speak(string text, bool queue = false, CrossLocale? crossLocale = null, float? pitch = null, float? speakRate = null, float? volume = null)
{
if (string.IsNullOrWhiteSpace(text))
return;
if (speechSynthesizer == null)
Init();
var localCode = crossLocale.HasValue &&
!string.IsNullOrWhiteSpace(crossLocale.Value.Language) ?
crossLocale.Value.Language :
AVSpeechSynthesisVoice.CurrentLanguageCode;
pitch = !pitch.HasValue ? 1.0f : pitch;
if (!volume.HasValue)
volume = 1.0f;
else if (volume > 1.0f)
volume = 1.0f;
else if (volume < 0.0f)
volume = 0.0f;
if (!speakRate.HasValue)
speakRate = AVSpeechUtterance.MaximumSpeechRate / 4.0f; //normal speech, default is fast
else if (speakRate.Value > AVSpeechUtterance.MaximumSpeechRate)
speakRate = AVSpeechUtterance.MaximumSpeechRate;
else if (speakRate.Value < AVSpeechUtterance.MinimumSpeechRate)
speakRate = AVSpeechUtterance.MinimumSpeechRate;
var voice = AVSpeechSynthesisVoice.FromLanguage(localCode);
if(voice == null)
{
Console.WriteLine("Locale not found for voice: " + localCode + " is not valid using default.");
voice = AVSpeechSynthesisVoice.FromLanguage(AVSpeechSynthesisVoice.CurrentLanguageCode);
}
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = speakRate.Value,
Voice = voice,
Volume = volume.Value,
PitchMultiplier = pitch.Value
};
if (!queue && speechSynthesizer.Speaking)
speechSynthesizer.StopSpeaking(AVSpeechBoundary.Word);
speechSynthesizer.SpeakUtterance(speechUtterance);
}
/// <summary>
/// Speak example from:
/// http://blog.xamarin.com/make-your-ios-7-app-speak/
/// </summary>
void Speak (string text)
{
var speechSynthesizer = new AVSpeechSynthesizer ();
// var voices = AVSpeechSynthesisVoice.GetSpeechVoices ();
var speechUtterance = new AVSpeechUtterance (text) {
Rate = AVSpeechUtterance.MaximumSpeechRate/4,
Voice = AVSpeechSynthesisVoice.FromLanguage ("en-AU"),
Volume = volume,
PitchMultiplier = pitch
};
speechSynthesizer.SpeakUtterance (speechUtterance);
}
/// <summary>
/// The speak.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="language">The language.</param>
public void Speak (string text, string language = DEFAULT_LOCALE)
{
var speechSynthesizer = new AVSpeechSynthesizer();
var voice = AVSpeechSynthesisVoice.FromLanguage (language) ?? AVSpeechSynthesisVoice.FromLanguage (DEFAULT_LOCALE);
var speechUtterance = new AVSpeechUtterance(text)
{
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
Voice = AVSpeechSynthesisVoice.FromLanguage (language),
Volume = 0.5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance(speechUtterance);
}
public IObservable<Unit> SpeakAsync(string speechString, CancellationToken cancellationToken = default(CancellationToken))
{
speechString.AssertNotNull(nameof(speechString));
var utterance = new AVSpeechUtterance(speechString)
{
Voice = voice,
Rate = 0.55f
};
var synthesizer = new AVSpeechSynthesizer();
var finishedUtterance = Observable
.FromEventPattern<AVSpeechSynthesizerUteranceEventArgs>(x => synthesizer.DidFinishSpeechUtterance += x, x => synthesizer.DidFinishSpeechUtterance -= x)
.Select(_ => Unit.Default)
.Publish();
finishedUtterance
.Subscribe(
_ =>
{
utterance.Dispose();
synthesizer.Dispose();
});
if (cancellationToken.CanBeCanceled)
{
cancellationToken.Register(() => synthesizer.StopSpeaking(AVSpeechBoundary.Immediate));
Observable
.FromEventPattern<AVSpeechSynthesizerUteranceEventArgs>(x => synthesizer.DidCancelSpeechUtterance += x, x => synthesizer.DidCancelSpeechUtterance -= x)
.Select(_ => Unit.Default)
.Subscribe(
_ =>
{
utterance.Dispose();
synthesizer.Dispose();
});
}
synthesizer.SpeakUtterance(utterance);
finishedUtterance.Connect();
return finishedUtterance
.FirstAsync()
.RunAsync(cancellationToken);
}
public IObservable<Unit> Speak(string speechString)
{
Ensure.ArgumentNotNull(speechString, nameof(speechString));
var utterance = new AVSpeechUtterance(speechString)
{
Voice = voice,
Rate = 0.55f
};
var synthesizer = new AVSpeechSynthesizer();
var finishedUtterance = Observable
.FromEventPattern<AVSpeechSynthesizerUteranceEventArgs>(x => synthesizer.DidFinishSpeechUtterance += x, x => synthesizer.DidFinishSpeechUtterance -= x)
.Select(_ => Unit.Default)
.Publish();
finishedUtterance
.Subscribe(
_ =>
{
utterance.Dispose();
synthesizer.Dispose();
});
//if (cancellationToken.CanBeCanceled)
//{
// cancellationToken.Register(() => synthesizer.StopSpeaking(AVSpeechBoundary.Immediate));
// Observable
// .FromEventPattern<AVSpeechSynthesizerUteranceEventArgs>(x => synthesizer.DidCancelSpeechUtterance += x, x => synthesizer.DidCancelSpeechUtterance -= x)
// .Select(_ => Unit.Default)
// .Subscribe(
// _ =>
// {
// utterance.Dispose();
// synthesizer.Dispose();
// });
//}
synthesizer.SpeakUtterance(utterance);
finishedUtterance.Connect();
return finishedUtterance
.FirstAsync();
}
// only works on devices, not the iOS Simulator?
public void Speak()
{
context.Fetch (); // re-populates with updated values
var text = taskDialog.Name + ". " + taskDialog.Notes;
if (UIDevice.CurrentDevice.CheckSystemVersion (7, 0)) {
var speechSynthesizer = new AVSpeechSynthesizer ();
var speechUtterance = new AVSpeechUtterance (text) {
Rate = AVSpeechUtterance.MaximumSpeechRate/4,
Voice = AVSpeechSynthesisVoice.FromLanguage ("en-AU"),
Volume = 0.5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance (speechUtterance);
} else {
Console.WriteLine ("Speak requires iOS 7");
}
}
internal static void _OnStarted(AVSpeechUtterance utterance)
{
if (_speechStartedHandlers != null)
_speechStartedHandlers(null, new SpeechEventArgs(utterance));
}
public void SpeakText(string text)
{
var speechSynthesizer = new AVSpeechSynthesizer ();
var speechUtterance = new AVSpeechUtterance(text);
speechSynthesizer.SpeakUtterance (speechUtterance);
}
private void SpeakUtterance(bool queue, AVSpeechUtterance speechUtterance)
{
if (!queue && speechSynthesizer.Speaking)
speechSynthesizer.StopSpeaking(AVSpeechBoundary.Word);
speechSynthesizer.SpeakUtterance(speechUtterance);
}
/// <summary>
/// Uses speech synthesis to say something.
/// </summary>
/// <param name="text">Text.</param>
void Say (string text)
{
// Speak the current location.
var utterance = new AVSpeechUtterance (text) {
Rate = AVSpeechUtterance.MaximumSpeechRate / 4,
Voice = AVSpeechSynthesisVoice.FromLanguage ("en-US"),
Volume = .5f,
PitchMultiplier = 1.0f
};
speechSynthesizer.SpeakUtterance (utterance);
}
public static Task Speak (string text) {
var speechSynthesizer = new AVSpeechSynthesizer ();
var tcs = new TaskCompletionSource<bool> ();
var speechUtterance = new AVSpeechUtterance (text) {
Rate = AVSpeechUtterance.MaximumSpeechRate/4,
//Voice = AVSpeechSynthesisVoice.FromLanguage ("en-AU"),
//Volume = 0.5f,
//PitchMultiplier = 1.5f
};
EventHandler<AVSpeechSynthesizerUteranceEventArgs> del = null;
del = (object sender, AVSpeechSynthesizerUteranceEventArgs e) => {
if(e.Utterance == speechUtterance){
tcs.TrySetResult(true);
speechSynthesizer.DidFinishSpeechUtterance -= del;
}
};
speechSynthesizer.DidFinishSpeechUtterance += del;
speechSynthesizer.SpeakUtterance (speechUtterance);
return tcs.Task;
}
/// <summary>
/// Initializes a new instance of the <see cref="U3DXT.iOS.Speech.SpeechEventArgs"/> class.
/// </summary>
/// <param name="utterance">Utterance.</param>
public SpeechEventArgs(AVSpeechUtterance utterance)
{
this.utterance = utterance;
}
/// <summary>
/// Initializes a new instance of the <see cref="U3DXT.iOS.Speech.SpeechWillSpeakEventArgs"/> class.
/// </summary>
/// <param name="utterance">Utterance.</param>
/// <param name="characterRange">Character range.</param>
public SpeechWillSpeakEventArgs(AVSpeechUtterance utterance, NSRange characterRange)
: base(utterance)
{
this.characterRange = characterRange;
}
internal static void _OnWillSpeak(AVSpeechUtterance utterance, NSRange characterRange)
{
if (_willSpeakHandlers != null)
_willSpeakHandlers(null, new SpeechWillSpeakEventArgs(utterance, characterRange));
}
/// <summary>
/// Speak the specified text.
/// </summary>
/// <param name="text">Text.</param>
public static void Speak(string text)
{
if (_syn == null) {
_syn = new AVSpeechSynthesizer();
_syn.Delegate = SpeechSynthesizerDelegate.instance;
}
var utterance = new AVSpeechUtterance(text);
if (_settings != null) {
utterance.pitchMultiplier = _settings.pitchMultiplier;
utterance.postUtteranceDelay = _settings.postUtteranceDelay;
utterance.preUtteranceDelay = _settings.preUtteranceDelay;
utterance.rate = _settings.rate;
utterance.voice = _settings.voice;
utterance.volume = _settings.volume;
}
_syn.SpeakUtterance(utterance);
}
