What are the original wireless projection modes?
original title: what are the wireless projection modes? What are the
wireless projection modes? What are the
at present, there are many wireless projection applications, but do you know what are the modes of wireless projection? In this article, the awind odd machine editor will introduce you.
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are three mainstream wireless projection protocols: DLNA, miracast, and airplay.
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. Among them, miracast belongs to Android device image mode, airplay belongs to IOS device image mode, and DLNA belongs to streaming media push mode.
image projection mode
miracast image (only Android system is supported)
miracast projection protocol is used with Android devices, which are called [wireless projection] and [multi screen interaction] on mobile phones and tablets. Devices supporting this standard can share video images wirelessly. The screen content in mobile phones and tablets can be directly put on the large screen supporting miracast protocol.
airplay image
chromecast
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airplay is a wireless technology developed by apple. It is called [screen image] on mobile phones, iPads and Macs. It can wirelessly transmit pictures, audio and video on IOS devices such as iPhone, iPad and iPod touch to airplay supporting devices through WiFi.
DLNA streaming media push
DLNA streaming media push is our [TV] logo on the playback interface of iqiyi, Tencent TV, Youku and other video apps. It is applicable to any intelligent device, provided that the video resources and the receiving end screen support DLNA push. The principle of
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DLNA projection push is that after the mobile phone and TV are connected to the same WiFi, data is transmitted through the projection protocol. (like a dedicated channel like Bluetooth). Click the screen projection button, and the mobile phone starts to search whether there is a screen projection broadcast service in WiFi. After the mobile phone searches the TV, the mobile phone will send a video address to the TV, and the TV will start playing after receiving the address. After the screen is cast, the mobile phone can control the progress of the TV, pause, next episode, volume and other commands.
DLNA streaming media push
the above are our common screen projection modes, image and push. However, with the development of projection technology, there is a device called wireless projector, which makes a further development based on the mirror projection mode – extended projection mode.
wireless projection
extended projection mode combines the convenience of the mirror mode. The DLNA push mode does not affect the use of the sending end equipment, so it is favored by many users in the current conference room and multimedia classroom. The disadvantage is that the extended projection mode only supports computers and notebooks. At the same time, it also needs the support of professional projector to enter the PPT speaker mode. Responsible editor of
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