Achieving The Best Results With Mpeg Video Recording - ATI Technologies MULTIMEDIA CENTER 8.2 User Manual

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Personal Video Recorder

Achieving the best results with MPEG video recording

To access MPEG properties
1
2
3
4
5
6
To select I-frame-only MPEG recording
This uses less CPU, but requires 2 to 3 times the bit-rate, which
produces larger files.
1
2
To select I, B, P frame MPEG recording
This uses more CPU, but greatly reduces the bit-rate required
for a given level of video quality.
1
2
To record with a minimum number of dropped frames in
MPEG-1 or MPEG-2 format, the following settings are
recommended. Ranges are given, as some video compresses
better than others, depending on the amount of rapid motion and
the number of complex scenes.
Click the setup button
then click the Personal Video Recorder tab.
In Recording Quality, click the Map Preset... button.
Click DVD, then click the Edit... button.
Capture Wizard (Step 1) appears.
Enter a name and description (if desired) for the preset.
Click Next >. The MPEG-specific Recording Wizard
pages appear.
Select MPEG-1, MPEG-2, or ATI VCR, then click Next >.
Click the I Frames Only button.
Click Next> until you reach Finish, then click Finish.
In the Recording Wizard, set Number of P Frames in
Group to 12.
Set Number of B Frames in Subgroup to 3.
(These are typical values; they can be adjusted.)
in the Television control panel,

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