P164: Difference between revisions

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P164 (view source)

Revision as of 12:57, 6 August 2023

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The P164 is a video effects unit and framestore.
{{Outofdate}}
{{Equipment}}


===List of Cards===
This is the processing engine behind the [[Maurice]] control unit, a fact that has lead to some confusion, and many people calling a [[P164]] a [[Maurice]].
* BIM
* SPF1
* SPF2
* CPU
* OIO
* SYNC


===Framestoring===
It provides range of video processing functions in real time, thus making a very useful machine to have around in the days before computer edit suites, or for live events. As a result whilst the unit in the studio vision path is rarely used in the way it used to be, units are regularly used on outside broadcasts either to Genlock a free-running video source or to provide some urgently needed video manipulation like zooming a projector feed or keystoneing a warped picture. It can also be used for aspect ration conversion, for example, a 4:3 video source can now be fed into the anamorphic 16:9 vision path, after being "squished" to 75% space horizontally.
The P164 can genlock a free running signal onto an external sync.
* Place the free signal in one of the P164's 4 inputs. If it is valid video, then the corresponding Red L.E.D will light.
* Connect a lock signal to the P164's Genlock/Sync Inputs.
* Navigate menus tree, set genlock to ON.
* Navigate menus tree, select the video source.
* Job done.
 
===Mixing===
This P164 Has the Built in mixer Card installed. but the control panel doesn't know that, so until the P152 is going, you cant do this.
 
===Effects===
Aspect ratio change:
* Choose source
* EFX1 in menu tree
* Hsize > change so picture is:
** 0.75x original for 4:3 into a 16:9 vision path (squish so black down sides)
** 1.33x original for 16:9 into a 4:3 vision path (stretch, no black), or 0.75x on the Vsize instead. (stretch, bars top & bottom).
Retrieved from ‘https://wiki.ystv.co.uk/wiki/Special:MobileDiff/17069...17086’

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