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How do you record
high quality video?
- First, you have
to set the
optimal recording parameter.
- Then choose the
proper recording settings (Recording Profile).
- Finally, set up
the optimal recording environment when
using PowerVCR II.
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The
optimal recording parameter:
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If
your video capture devices run with VFW or WDM driver, please
follow these procedures in setting your Video Format or Capture
Pin:
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YV12,
UYVY or other similar formats |
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YUV422,
AYUV9 or other similar formats |
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RGB16
or other similar formats |
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RGB24
or other similar formats |
Due to the
MPEG compression which uses the YUV (4:2:0) color format,
you can use similar input formats to accelerate the compression
as well as controlling the color conversion.
Caution:
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Some
capture devices' YUV input formats are not stable, especially
when working in conjunction with certain VGA cards. This
is the main reason why the computer may always display
DONE when it hasn't even started performing its task,
so please set the default as RGB or other relatives. If
the aforementioned problem doesn't occur, please use YUV
or other similar formats to accelerate compression.
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YUV
and similar formats don't have universal standards, so
if your video capture device reverses the images, please
click the option "Flip Video" for proper adjustment.
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The optimal
recording setting:
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If
you want save your recorded video content in VCD format, please
choose one of the VCD Profiles. Also, depending on your CPU
type, it would be optimal to choose the highest VCD quality
format. If your CPU is slower, between 300 to 400MHz, please
use the high-speed VCD format for the best quality. |
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If
you want to record the normal video content or DATA CD, please
use the MPEG or similar profiles. In addition, according to
preferences, please choose the proper bitrate compression profile. |
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If
you want to record high resolution videos, create them using
the MPEG or other similar profiles. And, please choose the proper
compression bitrate profile according to preferences. |
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You
may also create your own profile depending on personal preferences. |
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Do
not merge different formatted video files (e.g. VCD with MPEG
format or MPEG-1 with MPEG-2 formats) |
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We
do not advise merging different recording profiles (e.g. Constant
Bitrate with Constant Quality profiles) |
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We
do not advise merging video files that have different frame
sizes (e.g. 320x240 with 640x480) |
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The
optimal recording environment:
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Access
your hard drive's DMA function. |
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Don't
close any of the optimal CPU Options |
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While
recording, please close all applications such as Netscape, IE,
Norton Utility, and etc. |
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Please
shut off all power-saving settings. This includes the screen
saver, for your monitor screen, hard drive, CPU power-saving,
and etc. |
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