COBHAM H264ENC Betriebsanweisung PDF herunterladen (Seite 90)

SOLH264TX Broadcast Transmitter

H264TX, H264ENGTX, H264ENC

UNCLASSIFIED

Part A - User Guide

DS000091

Rev 1.2 2013-05-02

UNCLASSIFIED

Page 10-80

HD input format

720p 50Hz

720p 59.94Hz

720p 60Hz

1080i 50Hz

1080i 59.94Hz

1080i 60Hz

1080p 23.976Hz

1080p 24Hz

1080p 25Hz

1080p 29.97Hz

1080p 30Hz

1080psf 23.976Hz

1080psf 24Hz

1080psf 25Hz

1080psf 29.97Hz

1080psf 30Hz

HD Cameras are able to produce a variety of

different output formats.

Simply match the output of you camera to a

setting from this list to ensure the transmitter

passes your video signal accurately.

Sub horizontal

resolution

Full, 3/4, 2/3, 1/2, 1/4

This is the fraction of the horizontal

resolution for whatever format you have

selected.

Let’s say you chose an HD 1080 format. This

is actually 1920 x 1080 where 1920 is the

horizontal resolution.

If you choose Full then you’ll see all 1920

pixels, if you choose 1/2 you’ll see a down-

sampled picture which requires much less bit-

rate to encoder.

Encoding mode

Low delay interlaced

Standard delay

interlaced

Low delay progressive

Standard delay

progressive

Default is low delay interlaced.

Frame rate

Full, 1/2, 1/4, 1/8,

1/24

If full frame rate is giving poor quality, you

can step this down until you get an

acceptable picture.

Note: Using a sub-frame rate will force the

Encoding mode to Standard delay

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