Using New Tape and Film Techniques to Increase TV and Radio Broadcast Operational Efficiency

Modern professional magnetic tape recorders and reproducers are capable of performing many of the menial chores of radio and TV broadcasting. Pre-recorded announcements accompanied by subaudible tones can control the operation of several tape program reproducers or juke box type automatic record players. Simple systems are available which alternately switch from an announce machine to a program machine, and more elaborate systems include electronic fading and accurate program timing.