Google Cast
 
Google Cast logo
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| Developer | |
|---|---|
| Type | Media streaming |
| Release date | July 24, 2013 |
| Operating system | Android 4.1+, iOS 7.0+, Microsoft Windows 7+, macOS 10.7+, and Chrome OS |
| Website | Official website |
Google Cast, branded for consumer devices as Chromecast built-in, is a developed by Google that enables mobile devices and personal computers to initiate and control playback of Internet-streamed audio/video content on a compatible device, such as a digital media player connected to a high-definition television or home audio system. The protocol was first launched on July 24, 2013, to support Google's first-generation Chromecast player. The Google Cast SDK was released on February 3, 2014, allowing third parties to modify their software to support the protocol. According to Google, over 20,000 Google Cast-ready apps were available as of May 2015. Google Cast would later be built into the Nexus Player and other Android TV devices, such as televisions, as well as soundbars, speakers, and subsequent Chromecast players.
Google Cast receivers can stream content via two methods: the first employs mobile and web apps that support the Google Cast technology; the second allows mirroring of content from the web browser Google Chrome running on a personal computer, as well as content displayed on some Android devices. In both cases, playback is initiated through the "cast" button on the sender device.
Sender devices previously needed to be connected to the same Wi-Fi network as a Google Cast receiver device to cast content, until the addition of a "guest mode" feature on December 10, 2014; When enabled, the feature allows sender devices to discover a nearby player by detecting ultrasonic audio emitted by the television or speaker system to which the player is connected; alternatively, the sender device can be paired with the receiver device using a four-digit PIN code. Guest mode is only available for Chromecasts; the Nexus Player and Android TV devices do not support the feature.
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