Video timing and freeze controls, Picture enhancer controls – Grass Valley 8964DEC v.1.0.5 User Manual
Page 17
8964DEC/-FS Instruction Manual
17
Configuration
Video Timing and Freeze Controls
With a standard 8964DEC module with no Frame Sync enabled the fol-
lowing Line Sync timing adjustment is available:
•
Horizontal Timing – adjusts the horizontal delay on the channel output
in pixels. This will add an additional delay of up to one line.
With an 8964DEC-FS module (8964DEC with Frame Sync enabled, see
Module Option Upgrade on page 51
), the following Frame Sync timing
adjustments can be made:
•
Horizontal Timing – identical to the line sync timing above.
•
Vertical Timing – adjusts vertical delay in line increments.
Also available with the 8964DEC-FS are the following freeze controls:
•
None – when signal is lost, no automatic freeze occurs and no manual
freeze is activated.
•
AutoBlue – when AutoBlue is enabled on a channel, the output will
automatically freeze to a blue screen when the input signal is lost on
that channel.
•
AutoFreeze – when AutoFreeze is enabled on a channel, the output will
automatically freeze on the last valid field when the input signal is lost
on that channel.
•
Field 1 – manually freezes the output signal on field 1 of the last frame.
•
Field 2 – manually freezes the output signal on field 2 of the last frame.
•
Frame – manually freezes the output signal on the last frame.
A field freeze provides less resolution and no motion artifacts in the output.
In frame mode, the resolution is higher since both fields are present, but the
presentation of the two fields can cause motion artifacts.
Picture Enhancer Controls
The Picture Enhancer feature is standard on the 8964DEC and 8964DEC-FS
modules. This feature allows separate picture enhancement control on each
channel output. Picture enhancement affects all lines of video.
Use the following controls for picture enhancement:
•
Disable – the Picture Enhancer process can be turned off by selecting
Disable.
•
Picture enhancement can be enabled by selecting one of three settings,
Low, Medium, or High. Amount of adjustment will depend on picture
type and noise level.