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General properties of presets in Compressor

When you select a preset, its general properties appear in the General inspector.

Important: Not all properties or options are available for all transcoding jobs. The options shown depend on the type of source media you’re transcoding, the preset’s format, the configuration of other properties, and the hardware and software you’re using.

General property

Preset formats

Description

Name

All preset formats

Displays the name of the preset.

Description

All preset formats

Displays the description of the preset.

Extension

All preset formats

Displays the extension of the output file.

Allow export segmentation

Apple Devices, Image Sequence, MPEG-2, MPEG-4, MXF, QuickTime Movie

Select this checkbox to have Compressor process the output file using a shared computer group. See Transcode batches with multiple computers.

Default location

All preset formats

For custom presets, use the pop-up menu to choose a default save location for transcoded files.

Format

Apple Devices, MPEG-2, MPEG-4, MXF, QuickTime Movie

Use this pop-up menu to specify whether the output includes video and audio, or video only.

For MPEG-2 presets, use this pop-up menu to choose an MPEG-2 stream type:

  • Program stream: Contains only one content channel and its associated audio.

  • Elementary stream: Contains only one content channel and no audio.

  • Transport stream: Can contain several MPEG-2 content channels and associated audio. All the channels are multiplexed together, allowing the playback device to choose which to play. Compressor supports creating single-channel transport streams that can also include associated audio.

Optimize for network use

Apple Devices, MPEG-4, QuickTime Movie

Select this checkbox to create a file that will start playing after only a small portion of the file has been downloaded from the network.

File type/Image type

Common Audio Formats, Dolby Digital, Image Sequence

Choose a file type or image type from the pop-up menu.

Stream usage

MPEG-2

Use this pop-up menu to choose an MPEG-2 stream usage option:

  • Generic: Allows complete access to all MPEG-2 properties. This is the only option that supports the MPEG-2 640 x 480 video format in addition to the standard-definition (SD) and high-definition (HD) video formats. It’s also the only option that supports creating transport and program streams. It supports the complete bit rate range of 2.0 Mbps to 40.0 Mbps.

  • DVD: Restricts the encoding properties to those allowed by the SD DVD specification. These include the NTSC and PAL video formats and a bit rate range of 2.0 Mbps to 9.0 Mbps.

  • Blu-ray: Restricts the encoding properties to those allowed by Blu-ray video discs. These include the SD and HD video formats and a bit rate range of 10.0 Mbps to 40.0 Mbps.

Color palette

Image Sequence

Use this pop-up menu (available when “Image type” is set to GIF or PNG) to choose the number of colors used in the transcoded files (or choose Not Indexed to use all available colors). Select Local to use a new color palette for each frame, or Global to use a shared color palette across all frames.

Color dithering

Image Sequence

Use this pop-up menu (available when “Image type” is set to GIF or PNG and Color palette is set to a limited number of colors) to choose a dithering algorithm, or no dithering.

Animated

Image Sequence

Select this checkbox (available when “Image type” is set to GIF or PNG) to export a single, animated file containing all frames (rather than a collection of individual files for each frame).

Playback

Image Sequence

When Animated is selected, use these controls to set how many times the animated GIF or PNG loops during playback.

Create unique output directory

Image Sequence

When Animated is not selected, select this checkbox to create a folder to hold the output files; the files saved will be named “frame-0,” “frame-1,” “frame-2,” and so on.

Add leading zeros to frame numbers

Image Sequence

When Animated is not selected, select this checkbox to have Compressor add leading zeros to output filenames (“filename-000000,” “filename-000001,” “filename-000002,” and so on).

Add Apple metadata

MPEG-2

Select this checkbox to have Compressor include specific MPEG-2 authoring information in the output file. The resulting file will be read faster by other applications.

Include chapter markers only

MPEG-2

Select this checkbox to include chapter markers, but not unnamed compression markers, in MPEG-2 output. When this checkbox is deselected, all markers are included in the output file. See Add markers.

Enhanced podcast

MPEG-4

Select this checkbox to have Compressor embed podcasting information (annotations, markers, and artwork) into the output media file. See Work with metadata annotations and Add markers.

The General inspector may also show options for retiming, captions, and metadata.

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