Panasonic AG-HPX500EN Panduan Cepat - Halaman 4

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Professional HD Quality

Progressive 3CCD and 2/3-inch Interchangeable Lens System for Full-Fledged HD Video Production

2/3-Inch Interchangeable Lens System

The 2/3-inch bayonet mount allows use of a wide assortment of

broadcast and professional lenses from a number of companies*.

2/3-inch zoom lenses make it easier to capture the shallower depth

of field often used in professional videos.

Chromatic Aberration Compensation (CAC)

This exclusive technology sets up a conversation between lens and

camera which allows for a highly sophisticated algorithm to be

deployed which will automatically compensate the registration error

that is caused mainly by lens chromatic aberration, and minimize

the circumjacent blur.

Full screen image (simulated**)

Progressive 3CCD

The AG-HPX500 series 2/3-inch progressive 3CCD* has a larger

light receiving area for higher sensitivity, and achieves an optimal

balance among image quality, sensitivity and cost.

Interlace scanning frame image (simulated**) Progressive scanning frame image (simulated**)

** "Simulated" images were produced in order to describe the function. It is not a screen capture of an actual image. It differs from an actual image in that the effect of the function has been

emphasized for easier understanding.

CAC OFF (simulated**) CAC ON (simulated**)

The camera process scans at full 1080/60 (or 50) progressive frames

a second. It is this initial capture that is the foundation for all of the

formats that this camera generates. While the camera does not

record 1080P/60(or 50), the signals start there and are either cross

converted or down converted to the format being utilized that day.

* The effective image size of the CCD is equivalent to 2/3.2 inches.

APT for Higher Image Quality

Advanced progressive technology (APT) produces higher total

image quality by linking the progressive 3CCD camera system with

a high-performance digital signal processor (DSP). In APT, an

extremely accurate CCD alignment process is used to offset the

pixels on the red and blue channels in both the Horizontal and

Vertical directions. This allows for additional resolution to be gained

from areas of the green CCD which are non-photo-sensitive.

The R, G and B color signals from the 3 CCDs are then sent through

a 14 bit A/D converter. Next, a 19 bit DSP performs a highly precise

calculation* on the signals to generate 1080/60P (50P) video

signals. The signals are then converted into HD or SD format and

recorded. By using these progressive video signals, with their

excellent vertical resolution, as source signals, a high level of image

quality is achieved that would be difficult to obtain by interpolating

from interlace scans.

* Called an advanced offset spatial process.

A.P.T (Advanced Progressive Technology)

14 bit

A/D

Progressive CCD

CCD Aquisition

Advanced Offset Spacial Process

1080/60P (50P) Signal Process

HD/SD

Format

DSP

(19 bit inner

Recording

processing)