The recent launch of Google’s new TV streaming dongle, the Chromecast has stirred up a lot of interest, not least because it makes it simple to cast or mirror streaming media wirelessly straight from your computer browser, smartphone or tablet onto your big screen TV set.
Currently to get the same effect, most people use a wired connection such as a HDMI or similar cable to connect from a laptop or PC to the TV set. For mobile and tablet devices a MHL cable can be used. MHL sends media from a number of supported mobile devices to a HDTV using a thin cable, this cable provides power for the connected device and charges it at the same time. MHL supports upto 1080p HD Video as well as 7.1 surround sound.
But if you are looking to wirelessly send movies, shows and music, do you need Chromecast in your life or can you make use of the other video sending options that are currently on the market? We take a look at the different options available to mirror, stream or throw content to your television set.
The thumb sized Chromecast dongle plugs into your televisions HDMI port and ‘casts’ media from any compatible app running on pretty much any device including PC, mobile phone and tablet (android, windows 8 and iOS), to the chromecast via the cloud. It is a neat system and your sending device also becomes the remote control. Once plugged into your TV a WiFi connection needs setting up and you’re good to go.
Compatible with - Any device running Android 2.3 and above, iOS 6 and above, Windows 7 or 8, Mac OS 10.7 and above, Chrome browser.
What can be streamed? Compatible apps with the Chromecast button which include Google Video, YouTube, and Netflix currently, and any content can be streamed from the Chrome web browser.
The service that started it all and everyone is familiar with, especially those owning an iphone or ipad is the Apple AirPlay feature. Airplay works by using the Apple TV STB (set-top box), or any third party licensed hardware as the receiver and lets you stream or mirror video, audio and even apps and games from the sender which is any other Apple device running itunes via the home Wi-Fi network. It works great but it only works within the Apple ecosystem and simply mirrors what is on your mobile device, so you have to have the same thing running on 2 devices until you are done.
Compatible with - Sending unit Apple Mac or iOS device such as iPad 2 and above, iPhone 4S and above running iOS 6 and above, receiver Apple TV and compatible Airplay devices.
What can be streamed? The service mirrors whatever you are running on your Apple device so games, apps, streaming media and music etc.
DLNA is a standard that allows you to share media across the home network, DLNA has the advantage that it works over Wi-Fi as well as Ethernet and can send files . This enables you to play any media such as video, pictures and mp3 audio onto a DNLA equipped TV sets as well as more mundane tasks such as printing a document without plugging the printer in.
A DLNA system uses the UPnP (Universal Plug and Play) protocol to discover what device it is connected to and whether it is sending unit (server) for the media, a TV that displays the media (renderer) or the player that determines how the media is displayed (controller). DLNA specifies the media types and playback characteristics that the connected devices then make use of.
The DLNA system is somewhat restricted and cannot use almost all free video and audio codecs and therefore needs to transcode the stream on the fly before sending it to the receiving device.
Both XBMC and PLEX media centers have the ability to use the DLNA standard, XBMC when setup can receive media pushed by another DLNA enabled device. DNLA systems need both a server and client, the client can be any device with DLNA enabled. With more than 18 thousand DLNA devices on the market they cover everything from computers and Blu-rays to smart TV sets. Apple devices are not DLNA enabled as they make use of the in-house AirPlay system.
Compatible with - Computers, Smart TV sets, Blu-Ray players, streaming boxes, game consoles, tablets and phones.
What can be streamed? The service connects to the home network using the UPnP protocol and can play video, pictures and music by transcoding on the fly and using the receivers media player capabilities.
Miracast runs on a similar principle and works as an alternative to AirPlay, but it is an open standard rather than a closed shop like Airplay. The system is built on top of WiFi Direct and acts like a wireless HDMI connection where everything gets copied from one screen to another using H.264 codec and its own DRM system.
The system operates similar to screencast, which is a realtime screen capture of computer screen output. But, does not record the video to your hard drive instead it streams the video captured over a network to a device which has a screen, like for instance a TV set.
Miracast can handle upto 1080p video and 5.1 surround between two connected devices, both devices need to be Miracast enabled. Many devices support the miracast standard and there are adapters available for devices without Miracast that can plug into usb and hdmi ports.
Compatible with - Runs on devices running Android 4 and above, generally in tablets and phones, the standard is also expected to be available in Windows 8.1 and Blackberry 10.2. Samsung already have Miracast solutions on many of it’s products.
What can be streamed? Movies, shows, music and games running from compatible apps.
The Slingbox kind of does wireless streaming but in a back-to-front way. Instead of sending web content to the big TV screen, it enables the sending of cable TV content from your home, to anywhere you happen to be in the world that has a WiFi connection. Slingbox is a simple looking set-top box which you connect to your TV at home, then you can send that signal on the screen to another connected device in real-time. It can be great for travellers that want to watch the cable they pay for, and it bypasses international broadcasting restrictions as well.
So there you have a number of alternatives and solutions to move your media files around devices you own. Hopefully a standard will soon be set that comes pre-installed on all devices and is as easy as pressing a single button. But until then you can achieve the wonders of mirroring content, but you just have to work that little harder.
There are a number of wireless USB options for an easy way to connect your PC to the TV set. They work by plugging a HDMI dongle into the TV and a corresponding wireless USB dongle into your computer. They will work with any TV and PC combo and will stream whatever is on the PC straight to the television. Drawbacks include a limited range of around 10 feet.
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