Panasonic AV-HS450N User Manual
187
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.
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).
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.
screen.
It is 16:9 for the HD format and 4:3 for the SD format.
AUX
[Auxiliary Bus]
[Auxiliary Bus]
A spare bus which can be switched by signals other than the main line
output signals.
output signals.
AVDL
[Automatic Video Delayline]
[Automatic Video Delayline]
A function to automatically adjust the input image signal phase to the
horizontal synchronization reference signal phase.
horizontal synchronization reference signal phase.
BB
[Black burst]
[Black burst]
The black burst signal. A full-screen black level composite signal which is
used as the reference signal for gen-lock.
used as 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.
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.
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.
key source.
Color Background
The signals which are output from the internal color generator and used as
the background image.
the background image.
Cut
This refers to the effect where the display is instantly switched to the next
image.
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.
in the images themselves.
Down Converter
This is the function that converts material in the HD format into the SD
format.
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.
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.
effects.
DVI
[Digital Visual Interface]
[Digital Visual Interface]
A digital video interface standard.
DVI-I can handle both digital signals and analog signals.
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.
stream of the video serial interface.
Flip Flop system
(PGM/PST system)
(PGM/PST system)
A bus control mode. The signals selected by the program bus are always
output as the program images. By executing a transition, the program bus
and preset bus signals are switched over.
output 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.