sentence level word boundary

Author: eric-urban

articles/cognitive-services/Speech-Service/includes/how-to/speech-synthesis/cpp.md

@@ -215,6 +215,9 @@ int main()
 
     auto speechConfig = SpeechConfig::FromSubscription(speechKey, speechRegion);
 
+    // Required for WordBoundary event sentences.
+    speechConfig->SetProperty(PropertyId::SpeechServiceResponse_RequestSentenceBoundary, "true");
+
     const auto ssml = R"(<speak version='1.0' xml:lang='en-US' xmlns='http://www.w3.org/2001/10/synthesis' xmlns:mstts='http://www.w3.org/2001/mstts'>
         <voice name = 'en-US-JennyNeural'>
             <mstts:viseme type = 'redlips_front' />

articles/cognitive-services/Speech-Service/includes/how-to/speech-synthesis/go.md

@@ -388,8 +388,17 @@ func visemeReceivedHandler(event speech.SpeechSynthesisVisemeEventArgs) {
 
 func wordBoundaryHandler(event speech.SpeechSynthesisWordBoundaryEventArgs) {
 	defer event.Close()
+	boundaryType := ""
+	switch event.BoundaryType {
+	case 0:
+		boundaryType = "Word"
+	case 1:
+		boundaryType = "Punctuation"
+	case 2:
+		boundaryType = "Sentence"
+	}
 	fmt.Println("WordBoundary event")
-	fmt.Printf("\tBoundaryType %d\n", event.BoundaryType)
+	fmt.Printf("\tBoundaryType %v\n", boundaryType)
 	fmt.Printf("\tAudioOffset: %dms\n", (event.AudioOffset+5000)/10000)
 	fmt.Printf("\tDuration %d\n", event.Duration)
 	fmt.Printf("\tText %s\n", event.Text)
@@ -414,6 +423,9 @@ func main() {
 	}
 	defer speechConfig.Close()
 
+	// Required for WordBoundary event sentences.
+	speechConfig.SetProperty(common.SpeechServiceResponseRequestSentenceBoundary, "true")
+
 	speechSynthesizer, err := speech.NewSpeechSynthesizerFromConfig(speechConfig, audioConfig)
 	if err != nil {
 		fmt.Println("Got an error: ", err)