Apple Compressor (4.1.2) User Manual
Page 45
Chapter 4
Advanced adjustments
45
Video effects
For a list of available video effects and instructions on how to add a video effect to a setting, see
on page 74.
Audio properties
•
Channel layout: Use the pop-up menu to set the audio channel layout.
•
Sample rate: Use this pop-up menu to set the number of times per second that music
waveforms (samples) are captured digitally. The higher the sample rate, the higher the audio
quality and the larger the file size.
•
Data rate: Use the slider to set the number of kilobits per second (kbps) required to deliver
your audio file. Using a higher rate will produce a higher-quality audio file.
Audio effects
For a list of available audio effects and instructions on how to add an audio effect to a setting,
see
on page 74.
QuickTime Export Components
You can use the QuickTime Export Components transcoding format to output files for a variety
of additional formats that can play on third-party devices and operating systems, such as mobile
phones. You can transcode files for 3G, AVI, and Apple iPod, or transcode using third-party plug-
ins that you’ve installed on your system.
The properties of custom settings that use this transcoding format are located in the General
inspector and Video inspector. These properties are described below.
Important:
When you add a setting (or a destination that includes settings) to a job, Compressor
analyzes the source media and then automatically assigns the most appropriate setting
properties (based on the setting’s transcoding format and the characteristics of your source
media file). It’s recommended that you use the automatically assigned setting properties.
Setting summary
Displays the setting name and transcoding format, as well as an estimated output file size. When
you add a setting to a job or change the setting’s properties, this summary automatically updates.
General properties
•
Name: Displays the name of the setting.
•
Description: Displays the description of the setting.
•
Extension: Displays the extension of the output file, based on the setting chosen in the
“Encoder type” pop-up menu, described below.
•
Allow job segmenting: This option is not available for the default encoder types that are
included with Compressor. It may be available for other encoders.
•
Default location: Select an item from the pop-up menu to set the default save location for
transcoded files.
•
Encoder type: Use this pop-up menu to choose from the available export component output
formats (plug-ins). For some encoder types, you can customize the plug-in via the Settings
property, described below.
•
Settings: You can modify the export component output format that you selected in the
Encoder type pop-up menu by clicking the Configure button and adjusting the format’s
properties in the window that appears.
Important:
Use the third-party export module user interface to explicitly enter the image size
and frame rate for the output file. Do not leave the Image Size and Frame Rate settings in the
third-party user interface at their default values.
67% resize factor