simple script audio synth for openframeworks

ofLogAudio.h

class ofLogAudio : public ofThread{
        public:
        bool startSpeak = false;
        string msg;
        string speak;
  
        void start(string _c="/usr/bin/espeak -v mb-it3")
        {
                speak = _c;
                startThread(true);
        }

        void LogAudio(string _msg)
        {
                msg = _msg;
                startSpeak = true;
        }

        void threadedFunction()
        {
                while(isThreadRunning())
                {
                        if(startSpeak)
                        {
                                ofSystem(speak+" '"+msg+"' > /dev/null 2>&1");
                                startSpeak = false;
                        }

                }
        }
};

class ofApp: public ofBaseApp{
        public:
        ofLogAudio log;

        void setup(){
                log.start("/usr/bin/espeak");
                log.LogAudio("Hello World");
        }
};