In Broadcast - September 2020 - 68

68

www.inbroadcast.com | Vol: 10 - Issue 9 | September 2020

InFocus

Cementing UHD
Acquisition
Contributing Editor Adrian Pennington
reports how HDR is now ubiquitous in the
broadcast studio and shoulder camcorder
line-ups of the major broadcast camera
brands while UHD resolution is on the up...

A

s part of upgrading of live
production technology to full 4K IP
workflows,  Grass Valley has launched
the LDX 100, a UHD camera that
connects into the contribution network
at up to 100 Gbps. Implementation of IP
protocols (NMOS IS-04 and IS-05) mean
the camera is instantly identifiable to a
network control system such as Grass
Valley's GV Orbit.  

The camera contains Grass Valley's
new 2/3-inch Titan imager which
shoots UHD and HDR at up to 3X high
speed, paired with industry standard
B4 lenses to provide the zoom range
and depth of field needed in sports. It
even sports 'Champagne shower proof'
protection against moisture and dust.  
The
latest
addition
to Ikegami's broadcast range is
the UHL-F4000, a compact and

The Ikegami UHL-F4000
camera head can be mounted
on a motor-driven pan/tilt head
for robotic operation in a studio

According to Grass Valley, the
design frees up multiple rack units per
camera that were previously dedicated
to camera base stations and simplifies
the logistics for mobile productions
when having to pair the right number
of cameras to CCUs at each event.  
Marco Lopez, Grass Valley's svp
of live production commented:
"Today, live production workflows
- particularly in sports - need to
be smarter and more flexible than
ever, removing barriers to creativity
and collaboration. We've driven the
transition to remote production, which
is a vital step in this direction, but now
the industry is ready for the next stepchange. Grass Valley now leads the
way with opening up true distributed
production by putting the full power of
IP right from the camera removing the
need for base stations."    

lightweight (1.1 kg) 4K HDR shooter
intended for use in applications such
as aerial video capture and studio
robotics.   
"Aerial photographers working from
helicopters are increasingly keen to
use 4K cameras," comments Michael
Lätzsch, Broadcast & Professional
Video Division Manager. "4K cameras
tend to be larger and heavier than
HD models so require a larger antivibration gimbal. In addition,
the higher power consumption
of 4K cameras causes
the internal temperature
to rise if it is placed in a
sealed stabilising unit. This
shortens the camera's lifetime
and can even lead to sudden
failure. The UHL-F4000 overcomes
all these challenges. It is a robust and
compact camera head with low power

Grass Valley LDX 100 eliminates the requirement for traditional SDI interconnects

consumption delivering very high
image quality."  
Developed
from Ikegami's
established
high-definition
HDL-F3000, the F4000's image sensor
unit uses three CMOS global shutter
elements so there is no rolling shutter
distortion even in aerial imaging
applications where subjects are
constantly moving in parallel.  
Further refinements include variable
contrast control which can handle
situations of reduced visibility such
fog or smoke. An image sharpening
function is incorporated and a vertical
image reversal mode allows the
camera to be mounted upside down.
The operator can adjust the camera in
real time for optimum noise reduction
when shooting at night with high
gain. The camera head consumes very
low power as all video processing is
performed in a separate base station
which can be located up to 10 km away
connected by 40 Gbps duplex optical
fibre.  
Hitachi's COO, Sean Moran, contends
that existing 8K camera sensors
are limited in dynamic range and
sensitivity by the size of their
pixels - which must be much smaller
than those of 4K and HD cameras

to
accommodate
8K's
higher
resolution. The manufacturer's new
SK-UHD8060B, on the other hand,
deploys a CMOS image sensor with an
organic photoconductive film (OPF)
to capture 8K and deliver a higher
saturation charge compared to silicon
photodiodes. This, Hitachi claim, leads
to 400% boost in dynamic range,
maximizing the effectiveness of its
support for the Hybrid Log Gamma
(HLG) HDR specification.  
The camera supports PL-mount
lenses and it can be paired with a
dockable recorder that uses a visually
lossless codec, avoiding says Hitachi,
"the time-consuming, post-acquisition
processing typically required with RAW
8K recording approaches."  
Hitachi reckons that all of this
make it suitable not only for studio
and OB applications but also for
cinematography "when combined with
an appropriate lens and recorder."  
  
4K Wireless  
Teradek (owned by the Vitec Group)
has announced Ranger which is
claimed as the world's first zero-delay
(less than 1 ms) wireless video system
to transmit uncompressed 4K HDR
video up to 5,000 ft. (1,524m) line of

Hitachi's new K-UHD8060B camera head can be paired with a dockable recorder
that uses a visually lossless codec, avoiding the time-consuming, post-acquisition
processing typically required with RAW 8K recording


http://www.inbroadcast.com http://www.grassvalley.com/products/ldx_100_series/ http://www.ikegami.com/archives/menu1/uhl-f4000 https://www.hitachikokusai.com/BroadcastandProfessionalCameras/SK-UHD8060.html

In Broadcast - September 2020

Table of Contents for the Digital Edition of In Broadcast - September 2020

Contents
In Broadcast - September 2020 - Intro
In Broadcast - September 2020 - Cover1
In Broadcast - September 2020 - Cover2
In Broadcast - September 2020 - Contents
In Broadcast - September 2020 - 4
In Broadcast - September 2020 - 5
In Broadcast - September 2020 - 6
In Broadcast - September 2020 - 7
In Broadcast - September 2020 - 8
In Broadcast - September 2020 - 9
In Broadcast - September 2020 - 10
In Broadcast - September 2020 - 11
In Broadcast - September 2020 - 12
In Broadcast - September 2020 - 13
In Broadcast - September 2020 - 14
In Broadcast - September 2020 - 15
In Broadcast - September 2020 - 16
In Broadcast - September 2020 - 17
In Broadcast - September 2020 - 18
In Broadcast - September 2020 - 19
In Broadcast - September 2020 - 20
In Broadcast - September 2020 - 21
In Broadcast - September 2020 - 22
In Broadcast - September 2020 - 23
In Broadcast - September 2020 - 24
In Broadcast - September 2020 - 25
In Broadcast - September 2020 - 26
In Broadcast - September 2020 - 27
In Broadcast - September 2020 - 28
In Broadcast - September 2020 - 29
In Broadcast - September 2020 - 30
In Broadcast - September 2020 - 31
In Broadcast - September 2020 - 32
In Broadcast - September 2020 - 33
In Broadcast - September 2020 - 34
In Broadcast - September 2020 - 35
In Broadcast - September 2020 - 36
In Broadcast - September 2020 - 37
In Broadcast - September 2020 - 38
In Broadcast - September 2020 - 39
In Broadcast - September 2020 - 40
In Broadcast - September 2020 - 41
In Broadcast - September 2020 - 42
In Broadcast - September 2020 - 43
In Broadcast - September 2020 - 44
In Broadcast - September 2020 - 45
In Broadcast - September 2020 - 46
In Broadcast - September 2020 - 47
In Broadcast - September 2020 - 48
In Broadcast - September 2020 - 49
In Broadcast - September 2020 - 50
In Broadcast - September 2020 - 51
In Broadcast - September 2020 - 52
In Broadcast - September 2020 - 53
In Broadcast - September 2020 - 54
In Broadcast - September 2020 - 55
In Broadcast - September 2020 - 56
In Broadcast - September 2020 - 57
In Broadcast - September 2020 - 58
In Broadcast - September 2020 - 59
In Broadcast - September 2020 - 60
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In Broadcast - September 2020 - 68
In Broadcast - September 2020 - 69
In Broadcast - September 2020 - 70
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In Broadcast - September 2020 - 90
In Broadcast - September 2020 - Cover3
In Broadcast - September 2020 - Cover4
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