Apple Compressor 3 User Manual Page 198

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Allow Job Segmenting: This checkbox allows you to turn off job segmenting. It is relevant
only if you are using Compressor with distributed processing and with multi-pass
encoding. (The distributed processing feature is limited to computers that have
Final Cut Studio installed.) For more information, see Job Segmenting and Two-Pass or
Multi-Pass Encoding.
Stream Usage: This pop-up menu allows you to choose how you intend to use the
MPEG-2 stream. Compressor modifies the options available and bit rate ranges based
on the usage you choose with this pop-up menu. See Stream Usage for more
information.
Video Format, Quality, GOP, and Extras: These buttons open the Video Format, Quality,
GOP, and Extras tabs. Their settings are explained in the following sections.
Stream Usage
Choosing a setting from the Stream Usage pop-up menu ensures the encoded MPEG-2
stream will be suitable for how you intend to use it.
The options in the Stream Usage pop-up menu include the following:
Generic: The Generic option allows you complete access to all the MPEG-2 settings.
This is the only option that supports the MPEG-2 640 x 480 video format in addition to
the SD and HD video formats. It is 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.
SD DVD: The SD DVD option restricts the encoding options 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: The Blu-ray option restricts the encoding options 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.
HD DVD: The HD DVD option restricts the encoding options to those allowed by the
HD DVD specification. These include the SD and HD video formats and a bit-rate range
that changes depending on the selected video format.
For HD video formats: The bit-rate range is from 10.0 Mbps to 29.4 Mbps.
For SD video formats: The bit-rate range is from 2.0 Mbps to 15.0 Mbps.
198 Chapter 18 Creating MPEG-2 Output Files
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