speech-synthesis

I have a problem, and I know this might similiar to the ones that are online, but I have followed every instruction I have found online and I am still getting this problem. Basically I am making a GUI with a Virtual Keyboard, and whatever the user types, I want the user to be able to click a button and I want a speech synthesis to convert the text-to-speech. I have looked online and found that the easiest and most common open software used was freeTSS. I have installed freeTSS and followed the instructions. I have then taken the following code from the online community: import java.util.*;

I'm using the speech synth in AVFoundation, creating an instance of a voice like this: import AVFoundation class CanSpeak { let voices = AVSpeechSynthesisVoice.speechVoices() let voiceSynth = AVSpeechSynthesizer() var voiceToUse: AVSpeechSynthesisVoice? init(){ for voice in voices { if voice.name == "Arthur" { voiceToUse = voice } } } func sayThis(_ phrase: String){ let utterance = AVSpeechUtterance(string: phrase) utterance.voice = voiceToUse utterance.rate = 0.5 voiceSynth.speak(utterance) } } I have two problems. There's no concurrency. Calling this function multiple times results in a

I'm trying t o determined which of the two APIs have more features to do text-to-speech in a pro application developed in C#. OS is not an issues here, just how of the two namespaces offer more features, quality voices and stability. Have any body master both tech and could tell me about the different in those two namespaces? Is one of them a super-set of the another in terms of features? EDIT: Behind of those two namespaces is the same speech synthesis engine ? My web app will do all the text-to-speech stuff at server side. Windows.Media.SpeechSynthesis is part of the Windows Runtime and