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Miracast is "effectively a wireless HDMI cable, copying everything from one screen to another using the H.264 codec and its own digital rights management (DRM) layer emulating the HDMI system". The Wi-Fi Alliance suggested that Miracast could also be used by a set-top box wanting to stream content to a TV or tablet.
Google Cast is a proprietary protocol developed by Google for playing locally stored or Internet-streamed audiovisual content on a compatible consumer device. The protocol is used to initiate and control playback of content on digital media players, high-definition televisions, and home audio systems using a mobile device, personal computer, or smart speaker.
The Roku OS is an operating system software developed by Roku Inc. It has powered consumer electronics products such as Roku-branded streaming players and TVs since 2004. The Roku OS is the most popular TV operating system in the U.S., reaching an estimated 90 million households as of 2025.
The working group was announced in September 2009, [7] and the MHL Consortium founded in April 2010 by Nokia, Samsung, Silicon Image, Sony and Toshiba. The MHL specification version 1.0 was released in June 2010, [ 8 ] and the Compliance Test Specification (CTS) was released in December 2010. [ 9 ]
[5] [6] [7] For example, the device cannot be designed to copy; it must "frustrate attempts to defeat the content protection requirements"; [7] it must not transmit high definition protected video to non-HDCP receivers; and DVD-Audio works can be played only at CD-audio quality [7] by non-HDCP digital audio outputs (analog audio outputs have no ...
Miracast does not require access to a Wi-Fi network, as connections are formed via Wi-Fi Direct. This is bad phrasing. In fact any Wi-Fi device needs access to the network. The thing is that the networks may be different. In case of Miracast one of the station become Group Owner which manages infrastructure network type. See Wi-Fi Direct ...
Wireless HDMI is the wireless transmission of high-definition audio and video signals between devices, using unlicensed radio frequencies like 5 GHz, 60 GHz, or 190 GHz. This technology eliminates the need for an HDMI cable, allowing users to transmit signals wirelessly between the component device and the display device.
Backward compatibility has to be preserved to allow for new equipment to work with existing gear. Backward compatibility protects investments in legacy Wi-Fi products and enables users to gradually upgrade and expand their networks. New certification programs allow newer technology and specifications come into the marketplace.