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86 Chapter 4 Editing
Chapter 4 Editing
Preread Editing
Video and audio signals already recorded on the recorder tape can be used
as an edit source for insert editing. This type of editing is called “preread
editing”, as the VCR uses the preread heads to read the signals in advance
from the tape.
The video signals read out by the preread heads can be sent to a video
switcher, and combined with video signals from the player for recording.
The audio signals read out by the preread heads can be sent to an audio
mixer for mixing with audio signals from the player for recording, and can
be recorded either on the original channels or on other audio channels.
Player
Y
R-Y
B-Y
AUDIO OUT
DIGITAL AUDIO(AES/EBU) OUT
AUDIO IN
DIGITAL AUDIO(AES/EBU) IN
ANALOG VIDEO OUT
COMPONENT VIDEO OUT
S VIDEO OUT
SDI OUTPUT
ANALOG VIDEO IN
COMPONENT VIDEO IN
S VIDEO IN
SDI INPUT
Video source
Audio source
Video switcher
Audio mixer
Digital or analog video input
Digital or analog audio input
Digital or analog video
output (preread signals)
Digital or analog audio
output (preread signals)
DSR-2000A/2000AP(recorder)