【實用健康app】GroovTube|最夯免費app-綠色工廠好玩App

The GroovTube App is used in conjunction with GroovTube breath detection hardware, as an aid to breathing exercises.The GroovTube hardware unit is essentially a MIDI device which has been developed to output MIDI as a function of the User's breathing/airflow. The GroovTube App detects breathing strength, speed and duration and uses these parameters to apply real time visual effects to a photo chosen by the User from the iPad Photo Album.