Mm-hmm.
Uh so the user interface will consist of two parts.  One is the voice command part and on one is the actual buttons part.  Uh and th the buttons part would be uh a set of buttons for choosing devices , a set of buttons for special navigation in space ,
Mm-hmm. Mm-hmm.
a set of buttons for  linear access of medium and a set of buttons for random access.