media-store channel, or the captured media item will be
lost.
Audio is captured from the source video stream at the
same time as the video and is saved to a separate WAV
le.
The media-store can capture up to 3,000 frames, or up
to 773 frames in full screen 3G/1080i. The number of
frames that can be captured depends on the size of the
capture area, the video format you are capturing in,
whether you are capturing alpha, and whether audio is
included. All media-store channels must be empty to be
able to use the full cache for the capture. The maximum
capture size is less if an alpha is included. If you do not
need to capture the entire screen, you can reduce the size
of the capture area. This will also reduce the amount of
cache that is needed for the capture.
Note: You cannot capture a non-synced video source. The
capture will time-out after 15 seconds.
To Capture to a Media-Store
1. Press the source button for the media-store channel,
or press Press HOME > More > Effects > Media
Store.
2. Press Capture.
3. Press Change Directory and navigate to the
directory you want to store the capture to.
4. Press Select Directory.
5. Press Source and use the Vid Src knob to select
the video source (Preview or Aux Buses) that
you want to capture from.
6. Press a Capture Source button to select what is
include with the capture
• Video Capture — capture the video.
• Alpha Capture — capture the alpha channel
with the video.
• Audio Capture — capture the audio.
Tip: You can capture the Video or Audio independent of
each other by only selecting one. For example, if only Audio
Capture is selected, the video is not captured.
7. If you are capturing audio, press a Audio
Channels button to select how many channels you
want to capture.
• Auto — the switcher will attempt to detect the
number of channels in the audio and capture
them.
• 1 Chan — capture the rst channel of audio.
• 2 Chan — capture the rst 2 channels of audio.
• 4 Chan — capture the rst 4 channels of audio.
8. If you are capturing video, use the Video Frames
knob to select the length of the video capture.
9. If you are capturing audio, use the Audio Frames
knob to select the length of the audio capture.
10. Press Pos/Size and use the knobs or the positioner
to adjust the position and size of the capture area.
11. Press Top Left and use the knobs or the positioner
to adjust the position of the top-left corner of the
capture area.
12. Press Bottom Right and use the knobs or the
positioner to adjust the position of the bottom-right
corner of the capture area.
13. Press More.
14. Capture the desired media item.
• Capture To Disk — the media item is
captured, saved to disk, and loaded into the
selected Media-Store channel.
• Capture To RAM — the media item is captured
and loaded into the selected Media-Store channel.
The name of the capture is shown in red and
marked as unsaved until the capture is saved to
disk. You must press Save Capture To Disk
to save the capture.
Tip: You can adjust the start and end point of a captured
animation using the animation properties trim feature. Refer
to To Set Animation Properties on page 78 for information
on setting the trim points.
Tip: If you accidentally load another media item into the
channel you used for the capture, you can recover the
captured media item by pressing Select DDR Capture.
On-Air Properties
The on-air properties for Global-Store are applied to the
media le directly, regardless of the channels that the
media le are loaded in. If you adjust the on-air
properties, or animation properties, of the media le in
one channel, these settings are applied to that media le
in all other channels that the same media le is loaded
into.
The on-air properties for ME-Store are applied to the
current media le that is loaded into the channel. This
allows you to load the same media le into multiple
channels and adjust the on-air properties independent of
the other channels. All on-air properties adjustments for
a channel are lost when a new media le is loaded into
that channel.
Acuity Operation Manual (v9.2) — Media-Store • 77
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