Monitor 8 Channel IFB (IFB) System Program Interrupt For Eight Talents

During the production of a program for transmission or recording, a director or producer frequently needs to cue the

performing talent. This is done using Interruptible FoldBack (IFB), a type of simplex intercom for sending program and

interrupt (cue) audio on "IFB" lines for the talent to monitor. The IFB line is comprised of three elements: Program Audio,

Interrupt (Cue) Audio and the Dip or Mute control. See the signal flow diagrams,

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