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Miracast realize seamless video sharing
With the development of science and technology, more and more electronic products are
emerging into people's daily lives according to the latest survey. Now a lot of the function of
electronic products have become more and more powerful, such as phones have the function of
taking photos, playing music, watching video, playing game etc, So, we have to say we are living a
digital era, and our life become more and more modernized and digitalized.
We all know that the wireless media TV box once caused a sensation, but it is still not enough for
technical processing problems, for example slow, lost frames. Recently a breakthrough miracast
technology has been born.
What is Miracast
The Wi-Fi Alliance officially announced Wi-Fi* CERTIFIED Miracast on 2012.9.19 , which is a
groundbreaking solution for seamlessly displaying video between devices, without cables or a
network connection. Users can do things like view pictures or videos from a smartphone on a big
screen television, share a laptop screen with the conference room projector in real time, and

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watch live programs from a home cable box on a tablet. Miracast connections are formed using
Wi-Fi CERTIFIED Wi-Fi Direct*, so access to a Wi-Fi network is not needed-the ability to connect is
inside Miracast certified devices.The connection of Miracast is based on a Wi-Fi direct, peer to
peer connection. The Wi-Fi-based Miracast architecture is shown below. There is no doubt that
Miracast represents the future development direction of wireless video transmission technology,
with industry analysts expect even Miracast certification by the equipment in the next four years
will be more than 1 billion units. Have you ever thought about you can stop tangling with HDMI
cables but still connect your devices wirelessly to your plasma screen? Yeah, it is absolutely ok for
you, here the wifi miracast adapter can do you a great help.
Miracast on Android 4.2
Google started supporting Miracast on Android version 4.2. End users can share movies, photos,
YouTube videos, and anything that's on your screen with HDTV via wireless display technology.
The external HDTV is listed as an external display. Now Miracast on Android supports clone mode
and
presentation
mode,
as
shown
below:
Miracast* connection modes With a Miracast connection, you can enable connectivity across
devices without Wi-Fi AP infrastructure, as topology 1 shows. You can also connect to a display
via an adaptor while connecting to an AP, as topology 2 shows. It is very convenient to watch
online video at home with this mode. If you have a smart TV that also supports Miracast, your TV,
AP, and your smartphone can even connect to each other, as topology 4 shows.

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