(1) "Child witness" means a person thirteen years of age or less who is or will be called to testify in a criminal matter concerning an alleged violation of the provisions of sections three, four, five and seven, article eight-b, chapter sixty-one of this code in which the child is the alleged victim.
(2) "Live, two-way closed-circuit television" means a simultaneous transmission, by closed-circuit television or other electronic means, between the courtroom and the testimonial room.
(3) "Operator" means the individual authorized by the court to operate the two-way closed-circuit television equipment used in accordance with the provisions of this article.
(4) "Testimonial room" means a room within the courthouse other than the courtroom from which the testimony of a child witness or the defendant is transmitted to the courtroom by means of live, two-way closed-circuit television.