ATI Technologies ATI MULTIMEDIA CENTER 8.2 137-70480-10 ユーザーズマニュアル
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Personal Video Recorder
Achieving the best results with MPEG video recording
To access MPEG properties
1
Click the setup button
in the Television control panel,
then click the Personal Video Recorder tab.
2
In Recording Quality, click the Map Preset... button.
3
Click DVD, then click the Edit... button.
Capture Wizard (Step 1) appears.
4
Enter a name and description (if desired) for the preset.
5
Click Next >. The MPEG-specific Recording Wizard
pages appear.
pages appear.
6
Select MPEG-1, MPEG-2, or ATI VCR, then click Next >.
To select I-frame-only MPEG recording
This uses less CPU, but requires 2 to 3 times the bit-rate, which
produces larger files.
produces larger files.
1
Click the I Frames Only button.
2
Click Next> until you reach Finish, then click Finish.
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.
for a given level of video quality.
1
In the Recording Wizard, set Number of P Frames in
Group to 12.
Group to 12.
2
Set Number of B Frames in Subgroup to 3.
(These are typical values; they can be adjusted.)
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.
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.