Can i extract only singer sound(center speaker) from DVD concert?

[la nome]

Now i want only singer sound.
Can i do that?
If i can do , How?
and Can i extract only singer sound from cd audio?

[OvERaCiD23]

if it's a 5.1 source, use BeSweet to extract the center channel to it's own file. not sure how to do a 2 channel source, although i imagine it would be difficult, as there is no defined center channel with the vocalist only.

[la nome]

OvERaCiD23
thank you

I tried BeSweet and it work but i just only want center channel ,
left right front ,suround ,lfe that i don't want ,so these file' size are
very big for me .

Can i extract only center channel ?