Sony HVR-S270E - Manual (Page 5)

5
✜ 1/3 inch-type 3 ClearVid CMOS Sensor
system
The newly developed 1/3-inch type 3 ClearVid CMOS
Sensor™ system has 45-degree rotated pixels on each
chip in order to increase the signal density, while each
pixel maintains sufficient surface area.
In combination with Enhanced Imaging Processor™ (EIP),
the 3 ClearVid CMOS Sensor system achieves high
resolution, high sensitivity, wide dynamic range and
excellent colo
ur reproduction.
The pixel shift interpolation technique has been
traditionally used in small 3CCD camcorders. However,
it normally requires the combination of all three colo
ur
element (RGB) signals to maximi se resolution. If an object
lacks one or more colo ur elements, the
resolution of the object may be degraded.
The 3 ClearVid CMOS Sensor system is different. It can
always produce maximum resolution, regardless of the
balance between colo
ur elements, thanks to its unique
and sophisticated interpolation technology.
Cutting-edge imaging System for New Camcorders
✜ Enhanced Functionality due
to “Exmor” Technology
Both the HVR-Z7 E and HVR-S270E offer cutting-edge
features, such as the “Exmor™”technology developed
by Sony, which utili ses the full potential of the 3 ClearVid
CMOS Sensor system.
The
“Exmor” technology, which features the
column-parallel A/D conversion technique and the dual
noise cancelling method are also used in other
new
camera products from Sony , such as the PMW-EX1.
Multiple A/D (analog ue to digital) converters on each pixel
row convert analog ue signals to digital as soon as they are
generated, unlike traditional technology that only has
one A/D converter on each chip. The“Exmor”
technology
can eliminate the influence of external noise that
enters the signal chain during transfer to the A/D
converter, resulting in high-quality digital signals with
extremely low noise. This significantly enhances shooting
in low-light environments.
By adopting this groundbreaking technology, the new
1/3-inch 3 ClearVid CMOS Sensor system enables the
HVR-Z7E and HVR-S270E to achieve a low light sensitivity
of just 1.5 lux*.
* at 1/25 shutter, auto iris and auto gain.
:Noise
Photo Diodes
Sensor
Noise
Cancelling
Noise
Cancelling
A/D Converter
Sensor
Photo Diodes
Noise
Cancelling
Noise
Cancelling
Noise
Cancelling
Noise
Cancelling
A/D Converter
Noise
Cancelling
A/D Converter
:Noise
Signals after interpolation
Pixels (Photo Diodes)
1080 Pixels
Pixel Layout
Current Technology “Exmor” technology
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