• getPitch() : Speech_IDL
• getSpeed() : Speech_IDL
• getSupportedLang() : Speech_IDL
• pause() : Speech_IDL
• play() : Speech_IDL
• say() : Speech_IDL
• setLanguage() : Speech_IDL
• setPitch() : Speech_IDL
• setSpeed() : Speech_IDL
• stop() : Speech_IDL