John Ho, Product Marketing Manager, QD Vision
Ultra High Definition (UHD) cinema and TV are on the cusp of a historic transition to more
immersive and realistic content, above and beyond
what we’ve seen so far with 4K resolution. This
transition is largely being driven and enabled
by two technologies that are usually discussed separately, but
that are increasingly interconnected and complimentary: High
Dynamic Range (HDR) and Wide Color Gamuts (WCG), in
particular Quantum Dots (QDs). With CES around the corner,
the combination of HDR and quantum dots may just be the
next big innovation story coming out of the show.
Whichever HDR standard eventually achieves prominence,
one thing remains clear: manufacturers need a cost-effective path to HDR that delivers both amazing visual
quality and energy-efficiency, and that’s where quantum dots
HDR TVs will also require WCG standards to achieve
optimal visual quality, and at this point the most likely
candidate for this is the BT.2020 (often referred to Rec.2020)
introduced in 2012. Commercial displays using quantum
dot solutions are the most energy-efficient way of achieving
maximal BT.2020 coverage.
This is largely due to quantum dots inherent photonic
efficiency, which results in nearly every photon of the incident
light being down-converted into photons within a narrow
spectral range. The result is that quantum dot TVs require
significantly less energy for the same color gamut performance.
As an example, the Color IQ solution requires between 50-
100% less energy than traditional LED TVs at an equivalent
level of color. This gives manufacturers not only a clear path
to energy-efficient HDR and wide color gamuts in their future
displays, it also gives consumers the best color possible.
We predict that “HDR,” “WCG” and “QDs” will be well-used acronyms at CES 2016!
Shahin Sadeghi, Director of Marketing & Applications,
Communications Product Group, Microsemi.
The technology trend at CES in the past few years had been on the video side, with 4k and
curved screens; however, the trend at this year’s
CES appears to have shifted to automation,
The trend is moving towards the ability to operate and
manage various products from one location. Clearly the
success of products such as Amazon Echo has been fueling
this direction. The fundamental challenge has been consumer
acceptance of automatic speech recognition, or ASR, with
cloud computing. This issue forced the emergence of Hybrid
ASR which allows for command and control features to reside
embedded in the system, with access to the cloud for further
processing and commands.
In either case for the trend to become mainstream few
technological improvements are vital. First, the overall audio
noise reduction needs to improve such that the commands can
be clearly and reliably processed with no false detects. Second,
the distance for the audio pickup needs to be such that the
user can reliably phrase the commands without having to walk
on top of the device. Typically, the pickup should be at, near
or greater than 15 feet. And lastly, there must be the ability to
have barge in, so that the command can be communicated over
an existing background conversation or noise.
With the improvements on the audio processing technology
the ability to make the above trends reality is already here.
Microsemi has been developing specific hardware digital signal
processor families targeted at the IoT market. This platform
along with proprietary intellectual property (IP) enables robust
noise reduction, including beam forming, far field MIC as well
as direction of sound detection technology. The Microsemi
AcuEdge™ process technology delivers on all fronts providing
clear and robust command and control to the end application.
Additionally, the far field MIC pickup allows for clear audio
pickup in the consumer and commercial drones. Delivering an
embedded audio processing solution with reliable and clear far
field MIC pickup and ASR is clearly the trend to watch this
year and in the near future.
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