Apple Compressor 3 - Manual (Page 57)

• Estimated file size: When assigned to a source media file, this shows the estimated total
file size. When not assigned to a source media file, this shows an estimated size per
hour of source media.
Note: The estimated total file size is not available for all output formats.
• Audio Encoder: Details of the audio output file format and other transcoding settings,
such as sample rate, channels, bits per sample, and codec type.
• Video Encoder: Details of the video output file format and other transcoding settings
such as frame width and height, crop amount (in pixels), frame rate, aspect ratio, codec
type, pixel depth, spatial quality, minimum spatial quality, key frame interval, temporal
quality, minimum temporal quality, and data rate (in bits per second).
• Filter: Details of all, some, or none (depending on how many filters you selected in the
Filters pane) of the available Compressor filters.
Encoder Pane
You use the Encoder pane to select and configure the output file format and other settings.
The file format options and attributes are different for each format.
• File Format: Use this pop-up menu to choose an output file format. See Choosing an
Output Format for more information on the available output formats.
• File Extension field: The following file extensions automatically appear in this field based
on the format you choose from the File Format pop-up menu, and if video and audio
tracks are enabled. Don’t alter this field without good reason, because your file may
not be recognized if you do.
• aiff: Represents AIFF.
• ac3: Represents Dolby Digital Professional.
• dv: Represents Digital Video (DV) format video.
57 Chapter 4 The Compressor Interface