Panasonic AW-HS50N Appendix glossary, Word, Explanation, AB Bus system, Ancillary Data, Avdl

Appendix (glossary)

Defined below are the terms used in this manual.

Word	Explanation
AB Bus system	A bus control mode. By executing a transition, the A bus and B bus signals are
	output to the program images alternately.
Ancillary Data	The auxiliary data other than the video signals which is transmitted inside the data
	stream of the video serial interface. The data superimposed on the vertical blanking
	period is referred to as the V ancillary data (VANC).
Aspect ratio	The ratio between the horizontal and vertical dimensions of an image or screen.
	It is 16:9 for the HD format and 4:3 for the SD format.
AUX	A spare bus which can be switched by signals other than the main line output
[Auxiliary Bus]	signals.
AVDL	A function to automatically adjust the input image signal phase to the horizontal
[Automatic Video Delayline]	synchronization reference signal phase.
BB	The black burst signal. A full-screen black level composite signal which is used as
[Black burst]	the reference signal for gen-lock.
Border	The area or margin that is added to the edge of a wipe or key.
	Its width and color can be adjusted. The defocusing of the area around a border is
	referred to as the soft effect.
Chroma key	This refers to the function for creating the key signals based on the color information
	of the video signals and combining the keys.
Clip	The threshold level of the luminance when key signals are created from a key
	source.
Color Background	The signals which are output from the internal color generator and used as the
	background image.
Cut	This refers to the effect where the display is instantly switched to the next image.
Density	A parameter which is used to adjust the density of the key signals.
Dot by Dot	This treats images as actual size (1￿) images. With PinP, it allows SD images to
	be combined with HD images with no accompanying deterioration in the images
	themselves.
Down Converter	This is the function that converts material in the HD format into the SD format.
DSK [Downstream Key]	This refers to the key combination process which is performed at the end of the mix
	effect. The key is always combined with the foremost image.
DVE [Digital Video Effect]	This refers to the transition patterns accompanying size reductions or slide effects.
DVI	A digital video interface standard.
[Digital Visual Interface]	DVI-I can handle both digital signals and analog signals.
Embedded Audio	This refers to the audio data packets which are transferred inside the data stream of
	the video serial interface.
Flip Flop system	A bus control mode. The signals selected by the program bus are always output
(PGM/PST system)	as the program images. By executing a transition, the program bus and preset bus
	signals are switched over.
Flying Key	This function uses DVE effects to move, expand or reduce key signals.
Frame Memory	A memory which can hold the video signals equivalent to one frame.
Frame Synchronizer	A function which matches the synchronization of non-synchronized video input
	signals.
Freeze	A function which continues the display of the same image, creating the impression
	that the image has been “frozen”.
FTB [Fade to Black]	This is the effect where the background image is faded out to the black screen.
Genlock	A function for synchronizing the video signals using an external sync signal as the
	reference.

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