10. The system of claim 9 , further comprising: a Descriptive Video Service (DVS) processor configured to be connected to the barrier free tool unit and to process an input of a DVS voice for describing one of the original video or the barrier free video; and an audio mixer configured to mix the DVS voice processed by the DVS processor with one of the original video or the barrier free video.
13. The system of claim 10 , wherein the neural network algorithm unit uses an error back propagation learning algorithm for a learning method.