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Discuss No 1080p on Apple TV? at the AppleTV 1 - Hackint0sh.org; Give me a break... 720 is all it does? This would be perfect if it ...
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    Default No 1080p on Apple TV?

    Give me a break... 720 is all it does? This would be perfect if it A: Supported more codecs and B: if it supported 1080p...... :p



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    That's correct.
    720p is all it does..

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    I've got a 42" 1080p native TV and an HD-DVD player and AppleTV and I can't tell the difference in quality between 1080p and 720p... they both look amazing. I guess what I'm saying is that's like audiophiles complaining about the differences between a high quality MP3 and a FLAC or something. You'd have to be an engineer to see the difference.

    Not to mention that if you're distributing content on the internets 720p saves you a metric *&^% ton of bandwidth.


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    The new software update 2.0 should do 1080p. The waiting is the hardest part

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    Quote Originally Posted by bjarkebech View Post
    The new software update 2.0 should do 1080p. The waiting is the hardest part
    really? do you have a link with more info on this? i want to read more..


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    Quote Originally Posted by enkrypt3d View Post
    really? do you have a link with more info on this? i want to read more..
    Sure: http://store.apple.com/1-800-MY-APPL...abcontroller_1

    Scroll down to the "Here's what you need" part, it should say:
    Apple TV works with widescreen, enhanced-definition, or high-definition TVs capable of:
    1080p/i 60/50 Hz
    720p 60/50Hz
    576p 50Hz (PAL format)
    480p 60Hz

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    The apple-tv has always had the ability to work with TVs that do 1080p/i

    The limitations on the video stream are still the same - maximum resolution 1280x720 @ 24fps.

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    Oh ok, what if you used Perian? Would that work?

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    Quote Originally Posted by bjarkebech View Post
    Oh ok, what if you used Perian? Would that work?
    Perian simply adds additional decoders to the existing ones supported by Quicktime. Quicktime already can support decoding 1080 resolution MPEG4, so I doubt perian will fix this.

    To provide true 1080 support seems to require a combination of CPU, system memory and graphics chip being powerful enough to handle the increased data bandwidth required of 1080 resolution video.

    The graphics chip in the apple-tv is reasonable, especially compared to the integrated graphics on the mac mini. However the graphics chip only has 64MB memory dedicated to it, on normal Mac models, Apple lists 128MB graphics memory as being the minimum for playback of native 1080 resolution video.

    It is much less demanding bandwidth wise to deliver HD at 720 resolution to the graphics chip and let it upscale it to 1080 resolution before sending this to the TV.

    This seems to be an inherent design trade off with the Apple TV. That and the apple store download model for HD would require a lot more internet bandwidth if the video was encoded at 1080 resolution.

 

 

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