Adobe AFTER EFFECTS 5.5 Help Manual page 406

Adobe After Effects Help
Using Help | Contents
Specifies the type of audio in the file. Choose Voice Only for movies that contain only
Audio Content
speech. Choose Voice with Background Music for clips that contain both voice and music audio. Choose
Music for monophonic music-only clips. Choose Stereo Music if your original clip is in stereo.
Target Audience Settings Specifies the bandwidths for which the exported RealMedia
file is optimized. Select the box that corresponds to the intended bandwidths. Targeting
the file to multiple bandwidths activates a feature called SureStream, which allows the
playback device to dynamically choose the most appropriate stream based on the user's
available bandwidth.
Note: To minimize the final file size, choose no more than four bandwidths.
RealAudio and RealVideo buttons
dialog boxes to select detailed options for audio and video tracks. The RealAudio Target Settings and
RealVideo Target Settings dialog boxes both contain menus for choosing target audience and audio
content bit rates. The audio frequency response, measured in kilohertz (kHz), is shown to the right of the
audio bit-rate menus. The RealVideo dialog box adds options for Maximum Video Frame Rate and Total
Target Bitrate. Click the Restore Defaults buttons within the respective dialog boxes to reset all settings to
default.
Note: The settings in the RealAudio Target Settings dialog box apply only if you are encoding an audio-only
file.
More Options Click this button to access the following menus and choices:
RealMedia File Properties
sponding box is checked to activate the feature. Activate Allow Recording to enable the file to be copied
when played in Real Player. Activate Allow Download to give the users the option to download your
RealMedia clip. Activate File Should Not Be Indexed by Search Engines to prevent search engines from
pointing users to your clip. Choose an item from the Audience Rating menu to assign a rating to your clip.
SureStream and Video Codec Options
check box for the appropriate option is checked, choose an item from a menu, or type a number into the
pertinent text box according to the below guidelines:
Emphasize Audio (Downgrade Video Before Audio)
periods of poor bandwidth.
RealVideo G2 creates files that are compatible with RealPlayer versions from G2 and
Video Codec
higher. RealVideo G2 with SVT creates files that are compatible with RealPlayer versions 6.0.6 and
above. RealVideo 8.0 provides the best-quality output for all bit rates.
Variable Bit Rate Encoding
depending on the type of the content being encoded.
Loss Protection
to the user.
VBR Maximum Startup Latency
before the clip begins. Use this option if Variable Bit Rate encoding is active.
Maximum Time Between Keyframes
encoding.
Clip Information Indicates specific metadata about the file. Type the categorical infor-
mation into the text box.
Using Help | Contents
| Index
Click either of these buttons to open the respective Target Settings
Specifies certain features to be included with the file. Make sure that the corre-
Specify various details about the encoded file. Make sure that the
Enables the video codec to vary the bit rate throughout the clip,
Ensures that the streaming video data is not lost during transition from the server
Specifies the maximum amount of time that latency will occur
Specifies how frequently the video images are reset during
| Index
(5.5) Rendering a Movie
Back
Gives priority to audio over video during
Back
406
406