Mm-hmm.
a and basically it sends an internal signal and decoded by the receiver. So p as um Anna has said that this ki people are interested in things which are you don't need to k press the keys , people are can have a speech recognition but this is uh s a question which will we have to see later.
Mm-hmm.
But in the present scenario is that you have certain keys and you press it like your mobile phone , and it sends a message to the T_V_.