Newtek TriCaster Advanced Edition User Guide Instrukcja Użytkownika Pobierz pdf (Strona 221)

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Note: TriCaster’s High Profile MPEG-2 files meet the “High Profile” MPEG-2 definition established by the Moving

Pictures Expert Group (MPEG). Please see http://en.wikipedia.org/wiki/Mpeg2 for more detailed information on

High Profile MPEG-2 encoding.

AVI (SPEEDHQ)

Selecting AVI (.avi) encoding tells TriCaster to capture the designated source using NewTek’s native AVI

format, called SpeedHQ. This is a high quality, 4:2:2 file format suitable for both SD and HD applications. (See

the hint under Encoding above regarding NewTek codec packs to use this option with your favorite

applications.)

H.264

Another important encoding type is H.264. TriCaster supports two different bitrates, designated High Quality

and Web Quality. The former uses 8 Mbit/sec CBR encoding and session format, while the latter option uses

a 2 Mbit/sec bitrate. (You should be aware that, to maintain good image quality at such low bitrates, Web

Quality always records in standard definition format.)

Note: H.264 encoding is processor intensive. To avoid dropped frames, this format should only be used to encode

one video stream at any time. Also, be aware that if an unexpected condition (such as a power outage) should

interrupt recording, incomplete H.264 files cannot be repaired. For this reason, we recommend Quicktime or

MPEG2 formats for critical mission capture, with H.264 used only for redundant recordings.

20.1.3 REPLAY TAB

In TriCaster Advanced Edition, features related to instant replay have been gathered into the Replay tab.

FIGURE 256

Let’s examine these controls one by one, beginning with the Add to menu options.

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Newtek TriCaster Advanced Edition User Guide Instrukcja Użytkownika Strona 221