Articulate Instruments SyncBrightUp User Manual - Page 8

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Manual for BrightUp unit. Document No. BrightUpManual_1.1
B. NTSC/PAL
Video input (BNC)
A. NTSC/PAL
Video output (BNC)
4. Connect the video output on the SyncBrightUp unit with the
video input on your video capture card.
5. Connect the speaker output from the PC to the "spk to PC"
input.
The SyncBrightUp unit is now ready to be used.
6. The unit will automatically superimpose a white flash in the
top left of the video in response to the initial edge of a tone or
click on the audio input (spk in). At the same instant a set of
four 2kHz tones are superimposed on the audio output
(mic/line to PC) The start of each of these 4 tones is aligned
with the vertical sync from the video signal. Following the
four tones there are several pulses aligned with the vertical
sync of the video.
7. Optionally, the "spk out" can be connected to a speaker so
that the output from the PC speaker can be heard.
Video Sync-Bright-Up with soundcard
The PC produces an audio tone. That triggers the Sync-Bright-Up.
The SBU puts a bright square on the video and produces an audio
tone added to one of the microphone channels. That tone on the
audio input is used to sync the video and audio. It can be
superimposed on the same channel as the microphone input or on
a separate channel.
Copyright © 2011 Articulate Instruments
Figure 2 Sync and video inputs
03.07.13
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