Glossary - Avermedia A825 MediaCenter User Manual

Glossary

AVI
AVI is the most common video file format for
playback on the computer. It can be saved in
uncompressed form if you want high quality video,
or compressed using any of the available codecs if
you want to minimize the file size.
Aspect Ratio
Aspect ratio indicates the ratio of the width of an
image to its height. The two most common aspect
ratio of home video is 4:3 and 16:9.
DVD
When you choose this format, the recorded video file
will be saved in MPEG-2 format that is compliant
with DVD standards. Standard DVD frame size and
frame rate are 720 x 480 pixels at 29.97 fps for
NTSC and 720 x 576 at 25 fps for PAL.
DxVA
DxVA stands for DirectX Video Acceleration, which
is an application programming interface (API)
defined by Microsoft. It allows decoders to accelerate
video playback directly on the graphics processors
instead of the main CPU. This means DxVA
technology can reduce the CPU usage.
H.264
Videos compressed using MPEG-4 standard are two
or three times more efficient than MPEG-2. This
format can be applied to a wide variety of
applications or networks and systems like HD-DVD,
Digital TV, Broadcast and Streaming applications.
Hibernate
Hibernation is a state in which your computer shuts
down to save power but first saves everything in
memory on your hard disk.
iPod
A video format base on H.264 standard but has smaller
video bit rate. It's an iPod -compatible format.
MPEG-1
Choose MPEG-1 format for video files that are
intended for CD-ROM playback on a computer or for
Internet transmission. MPEG-1 allows file
compression and offers VHS quality picture. Just
about every system available today can play MPEG-1
and does not need special software or hardware.
MPEG-2
Videos compressed using MPEG-2 have extremely
high quality pictures and full CD-quality sound.
Choose MPEG-2 format for video files that are
intended for DVD-ROM playback on a computer
or if you want broadcast quality videos.
PIP (Picture in Picture)
PIP allows you to view two or more video sources at
the same time wherein the small inset screens
overlaid on the main screen.
PBP (Picture by Picture)
PBP allows you to view two or more video sources
side by side on a display so that all channels are
visible.
Stand By
Stand By is a state in which your monitor and hard
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