Apple iDVD Bedienungsanleitung PDF herunterladen (Seite 64)

iDVD Addendum—Chapter 5

Choosing an

Encoding Setting

iDVD employs three encoding methods: Best

Performance, High Quality, and Professional

Quality.

To choose an encoding setting for the

current project:

1. Choose Project Info from the Project

menu or press Command-I.

Choose an option from the Encoding

pop-up menu (Figure 5.5).

To choose an encoding setting for new

projects:

1. Open iDVD’s preferences and click the

Projects icon.

For the Encoding setting, click the radio

button beside the type of encoding you

wish to use.

Best Performance

Best Performance provides up to 60 minutes

of video and shorter burn times than High

Quality. iDVD encodes the video while it’s

running, whether you’re doing something

else in iDVD or working in another program

(Figure 5.6).

High Quality

If your project exceeds 60 minutes, or you

want to make sure you’re getting a higher

quality encoding than Best Performance, use

the High Quality mode. After you start the

burn process, iDVD examines the video to

determine where it can apply different levels

of compression (a process called Variable

Bitrate, or VBR, encoding).

Figure 5.5 The encoding options are located in the

Project Info window, as well as in iDVD’s preferences.

Figure 5.6 With the Best Performance setting

enabled, iDVD encodes movies in the background.

The Project Info window reports on the progress.

Encoding and Burn Times

To give you a rough idea of how long

it takes for iDVD to encode projects

using the encoding settings, here are the

results of burning a two-hour project on a

2.4 GHz iMac.

High Quality: 1 hour 15 minutes.

Professional Quality: 3 hours 52 minutes.

Choosing an Encoding Setting

Figure 5.7 Professional Quality projects tend to

produce richer color ﬁdelity.

Professional QualityHigh Quality

Supplement for iMovie 09 and iDVD for Mac OS X: Visual QuickStart Guide by Jeff Carlson.

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