Stream usage – 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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