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IT News Thread, Miracast - AirPlay for non-Apple devices in Other News; Miracast is the WiFi Alliance's new open standard for wireless display so hopefully it will get adopted by everyone in ...
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    Miracast - AirPlay for non-Apple devices

    Miracast is the WiFi Alliance's new open standard for wireless display so hopefully it will get adopted by everyone in the consumer electronics industry, especially projector manufacturers. It will be great to have an alternative to AirPlay and the annoying DLNA standard.

    Source: Anandtech

    Back at the end of May, the WiFi Alliance announced a new WiFi Display certification program called Miracast. Making a standardization process for WiFi Display products to guarantee interoperability is a huge step forward to making adoption easy, and goes a long way to consolidating the growing number of WiFi Display-like standards.

    Though the specification hasn't been made public quite yet (public disclosure will come sometime in August), Nvidia appears to have already secured some level of platform certification for its Android board support package, though individual products will still need to go through WiFi Alliance certification to wear a Miracast badge.

    Probably the most relevant point is that Nvidia's Miracast architecture leverages the onboard audio and video encode blocks, and framebuffer snoop to minimize latency. WiFi Display mandates an H.264 baseline Level 3.1 stream at its core, which is easy enough to hit with encoders lately.

    Nvidia sent over a video showing off Miracast, and latency between the display and TV looks nice and low. I asked for specifics, but Nvidia isn't ready to share latency numbers until closer to production hardware. That said, other partners have given WiFi Display latency as low as just 16 ms (one frame at 60 FPS) for the whole chain.

    As an aside, Miracast is hugely important for the Android ecosystem as a whole to get to feature parity with Apple's AirPlay and AirPlay Mirroring functionality. The standard will be released sometime in August, with certification happening shortly after in September or October of this year.

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    dirtydog's Avatar
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    Just been looking at this! Have a couple of Apple TV's on trial here but obviously very limited. Id imagine excellent demand for this if we can use a dongle or STB to convert our current projectors. Does anyone know of anything that's available yet as I notice my S3 is an approved device!

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    Quote Originally Posted by dirtydog View Post
    Does anyone know of anything that's available yet as I notice my S3 is an approved device!
    There's a MiraCast dongle available from Samsung that costs £49.19. Someone on the XDA forums has posted a short review of it...

    http://forum.xda-developers.com/show....php?t=1872278

    ... and there's a video on YouTube showing it in action.



    For me however, the biggest problem with MiraCast is this...

    Another quirk is that Miracast uses your WiFi antenna, so you can't maintain a connection to your home network while transmitting and will instead be relying on mobile data. This is a definite drawback compared to competing systems like AirPlay, but it’s something that could be added or changed as Miracast evolves. (Source)
    If you want to be able to play a video stored on a NAS for example, you will have to copy it to your Galaxy S3 first (which is ridiculous)!!!

    Thankfully, Google are apparently working on their own open-source clone of AirPlay so hopefully that won't have the same limitations that MiraCast has.
    Last edited by Arthur; 23rd November 2012 at 08:01 PM.

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    dirtydog's Avatar
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    Quote Originally Posted by Arthur View Post

    Thankfully, Google are apparently working on their own open-source clone of AirPlay so hopefully that won't have the same limitations that MiraCast has.
    thanks this is definitely one to watch. The wifi thing could be a pain but not necessarily a deal breaker.



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