AJA KONA LHe Plus Instruction Manual download pdf (Page 54)

Conversion Screen The Conversion screen is used to set frame, field, and color space conversion options.

AJA Control Panel, ConversionTab

Conversion Tab Screen Settings

Pause On—these two choices determine what happens when an editing application is

paused in stop mode:

Full Frame: both fields are displayed resulting in some jitter while paused.

Single Field: a single field is displayed, showing no flicker (useful when color

correcting or whenever the flickering would be a distraction).

3-2 Pulldown Pattern—after format selection, the value selected in this menu is used

whenever you’ve chosen to do conversion from 24 frames-per-second to 30 where extra

fields are added to pad existing ones. Depending on video content, selection of different

field patterns may be useful in reducing jitter due to the content of adjacent fields. The

numbers in the pattern choices specify the frequency with which inserted fields will be

repeated. For example, “2:3:2:3” means that the conversion will duplicate a field twice,

then the next field three times, then the next twice, and then back to three times.

3-2 Pulldown Offset—select a frame offset value from 0 to 4.

RGB-YUV Conversion: These pulldowns select industry standard color space and gamma

transfer functions for the YUV-RGB conversion, or allow you to direct the KONA card to

automatically determ ine it for you.

Colorspace—choose from:

Rec 601 – for SD

Rec 709 – for HD

Auto

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AJA KONA LHe Plus Instruction Manual Page 54