The video -recording system that uses a rotating drum carrying two or more heads which sweep across the tape at a small angle, typically 5˚-8˚. This allows a high rate of scanning to be combined with a low tape speed.
The video -recording system that uses a rotating drum carrying two or more heads which sweep across the tape at a small angle, typically 5˚-8˚. This allows a high rate of scanning to be combined with a low tape speed.