Screen Projection – Introduction to Several Commonly Used Screen Projection Protocols in Daily Life

Wireless screen projection: Conference content, multimedia files, game visuals, movies, and video visuals can be projected onto another screen for presentation, interactive without the need for various connections, and free from constraints to enjoy a faster and more free screen projection experience. Wireless screen projection technology has been closely related to our lives, providing more convenience for work and entertainment.

Screen projection protocol

All wireless screen projection products are based on the following mainstream wireless screen projection protocols to achieve screen projection, which more or less integrate these protocols and form their own different screen projection functions.

The current mainstream projection protocols are Miracast, AirPlay, and DLNA.

AirPlay protocol is a wireless technology developed by Apple that can wirelessly transmit audio, video, and images from iOS devices such as iPhones and iPads to devices that support AirPlay through WiFi. With the gradual popularization of AirPlay protocol, more and more network set-top boxes and smart TVs in China have integrated AirPlay, and its mirroring effect is the best among all screen projection methods.

The Miracast protocol is a wireless projection protocol developed by the Wi Fi Alliance based on WIFI connectivity. Miracast wireless screen projection is the most compatible screen projection protocol, and most Android phones and smart TVs in China support Miracast screen projection protocol.

The DLNA protocol is a set of protocols initiated by Sony, Intel, Microsoft, and others for the interconnection and interworking of PCs, mobile devices, and consumer appliances. The most common is the screen projection protocol used for screen projection operations through the TV button in our video software.

The Chromecast protocol is a wireless projection technology developed by Google. Compared to AirPlay, the Chromecast experience is vastly different. Compared to mirror projection, the Chromecast experience is closer to DLNA.

WiDi is a wireless screen projection method that supports Windows 10 laptops, allowing for wireless screen projection without the need for software installation.

The WDHI protocol is an HDMI transmission solution that can achieve lossless transmission, but it has a high cost. The transmitter needs independent power supply and unobstructed transmission.

The private screen projection protocol is a solution developed by various companies, with a wide variety of products mainly focused on software installation. Mobile phones require the installation of apps, while Android does not support sound. The network can be used for screen projection.