From this question, i want to know the opinion of the programmers.
Really, what i meant by Implimentation of Voice Recogination software here is "Ccntrolling your house garget with computer codes.(when you speak so that computer will conduct the
excution

please, state how the garget will be connected to the computer.

Well, if you mean voice recognition, you must have a team cause you definitely dont need just your programming and electronics skills . you will have to be able to identify language, stress patterns on sentences and many other things,  Are you planning for your PhD thesis or is this just a hobby,
Well  personnaly, I would prefer the RFID like option and the idea suggested above isnt bad at all.
You might not have to do voice recog. but remote controlling everything in your room from a single device makes almost the same amount of sense,
or are we now getting lazy to push buttons,
Now the voice recog device might be hardware or software depending on how you want, there would probably be a mic ( definitely).
If you have your own hardware, you might not find it easy to connect it to the pc cause you have to code a device driver for it. But on a software level, you stil have a lot of coding, planning and algorithm checks to do but the language stuff is the most important.
else, It might work for one person and not another, We all speak differently though this can be solved by asking the reader to read a short passage you will have prepared and the software maps out basic stuff to aid it know the guys accent.