TsgcTextToSpeechSystem speaks text through the speech engine already present on the machine. There is no API key to manage, no per-character billing and no network call, which makes it the right default for offline and on-premises applications.
The simplest of the three speech components. Call one method with a string and the machine speaks it, synchronously, with start and stop events around the call.
TsgcTextToSpeechSystem
Offline speech synthesis
Win32 and Win64
sgcAI is self-contained. This component ships inside sgcAI together with the sgcWebSockets Core runtime it is built on, so there is no base license to buy.
No configuration, no credentials. Assign it to a chatbot, translator or assistant and it becomes their voice.
uses
sgcAI, sgcAI_TextToSpeech_System;
var
oTTS: TsgcTextToSpeechSystem;
begin
oTTS := TsgcTextToSpeechSystem.Create(nil);
oTTS.TextToSpeech('The order has been shipped.');
// Used as the voice of a chatbot:
sgcAIOpenAIChatBot1.TextToSpeech := oTTS;
end;// includes: sgcAI.hpp, sgcAI_TextToSpeech_System.hpp
TsgcTextToSpeechSystem *oTTS = new TsgcTextToSpeechSystem(NULL);
oTTS->TextToSpeech("The order has been shipped.");
// Used as the voice of a chatbot:
sgcAIOpenAIChatBot1->TextToSpeech = oTTS;The members you reach for most often.
TextToSpeech(aText) speaks the string through the system voice. The call is synchronous, so it returns once speech has finished.
Unlike the cloud speech components, this one produces no audio file and needs no AudioPlayer link. Nothing is written to disk.
There is no API key, no quota and no cost per character, which matters when a component speaks continuously in a kiosk or a monitoring application.
OnStart and OnStop bracket the call, which is what lets the chatbot components restart microphone capture the moment the answer has finished.
The voice, rate and volume come from the speech settings of the machine, so an operator can change them without a rebuild.
It shares its interface with the Google and Amazon speech components, so switching to a cloud voice later is a change of component, not a change of code.
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