little changes in shell scripts

src/speech.cpp

@@ -194,7 +194,7 @@ int main(int argc, char** argv) {
     ros::init(argc, argv, "speech");
     
     Nao_control TermiNAOtor;
-    ros::Rate loop_rate(1);
+    ros::Rate loop_rate(0.5);
     loop_rate.sleep();
     TermiNAOtor.commandRecognition();
     ROS_INFO("SPIN");