Cobalt Digital OBSIDIAN 3G 9502-DCDA-3G Downconverter - Manual (Page 11)

9502DCDA-OM (V1.3) 9502-DCDA PRODUCT MANUAL 1-7
Introduction
9502-DCDA Functional Description
Video Processor Description
The 9502-DCDA features a downconverting scaler, video proc, and
user-adjustable aspect ratio control and zoom control. The 9502-DCDA video
subsystem also provides the functions described below.
Video Processor
The 9502-DCDA provides full color processing control (luma gain and lift,
chroma saturation, and color phase) of the output video.
Scaler Function
The scaler function provides down-conversion to HD/SD from multiple
standard SD and 3G/HD video formats and multiple frame rates, and
cross-conversion between interlaced and progressive formats, with
auto-format detect/down-conversion of SMPTE 424M/292M/259M formats.
The scaler function also provides aspect ratio conversion that provides a
choice from several standard aspect ratios. User-defined settings allow
custom user-defined H and V aspect ratio control. Reticule insertion provides
safe action area marking as well as other reticule functions and patterns.
Timecode Processor
(See Figure 1-2.) This function provides for extraction of timecode data from
the input video, and in turn re-insertion of timecode data into the output SDI.
In this manner, timecode data can be preserved, even after format conversion.
The function can monitor the SDI video input of the card for supported
timecode formats and convert the timecode to either or both ATC_LTC or
ATC_VITC for down-conversions to HD, and ATC_VITC or VITC
waveform (with selectable odd/even field line number control) for SD
down-conversions.
When licensed with option +LTC , this function also can
receive and translate audio LTC timecode (from Emb Ch 1-16) for insertion
as SMPTE 12M ATC timecode formats onto the output video as described
above.