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Section 3 — Switcher Concepts
Effects Send (Option)
Effects Send is a system that provides a close interface between
the switcher’s mix/effects system and a digital picture
manipulator (DPM). Effects Send takes the key and fill video
outputs of an effects keyer and sends them to the DPM for
manipulation. The manipulated key and fill outputs from the
DPM then re-enter the switcher’s mixers via the aux buses.
The Effects Send advantage allows you to transform a switcher
key effect, such as a chroma key or a preset pattern, as though the
DPM circuitry were built into the middle of the switcher: The
transformed key can be layered over a switcher background and
additional keys can be layered on top of the transformed key.
Up to four channels can be used to route the video and key from
an M/E to and from an external digital effects system.
Two channels can be used to route the video and key from an
M/E to and from an external digital effects system.