360 Systems’ Broadcast Time Delay is a high-quality program delay for television broadcast, satellite delivery, and other applications requiring a user-settable delay time for video, audio, and vertical interval data. Applications for the delay include:
• Compensation for worldwide time zones differences, where a program is received at a different time than when it needs to air.
• Program origination delays, where content is time-shifted prior to transmission or distribution.
• Time delays of 24 hours. This delay may be used by a broadcaster to provide “evergreen” material in the event of network/satellite transmission problems. In this instance, material received exactly 24 hours earlier could be re-transmitted until problems are resolved.
• “+1” channels that allow cablecasters to offer multiple feeds of the same program content to maximize channel exposure with limited additional cost. Viewers can choose to see a variety of different shows in their chosen viewing time, or see an immediate repeat of a show that interested them simply by changing the channel. The Broadcast Time Delay can be thought of as a black box that records video, audio, and specific VBI information; it then delays the playback of the program by a user-selectable time period. Whatever goes in, comes out later. The Broadcast Time Delay will operate as a set-and-forget box with no user intervention. On restarting after a power failure, it will again start delaying the input according to the most recent user settings. The delay time is user-programmable from 20 seconds to greater than 24 hours. The programmed delay interval is frame-accurate over an indefinite time period; if several Broadcast Time Delays are fed identical input signals they will remain in sync indefinitely. The video channel accepts both Composite (CVBS) and SDI video signals. Four audio channels are provided, and may be AES/EBU digital, or embedded in an SDI stream. Alternately, two +4 dBu an