1080i or 1080p

Discussion in 'Apple TV and Home Theater' started by Delta608, Jan 19, 2008.

  1. macrumors regular

    Delta608

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    #1
    Before purchasing an AppleTv does it make any difference in picture quality if I have a 1080i widescreen and not a 1080P...??
     
  2. macrumors 68020

    Joined:
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    #2
    Just get the 1080P. It is the future. Will not make a difference today, but you want to be future proof. Get the "p".
     
  3. macrumors demi-god

    LethalWolfe

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    #3
    On paper yes, in reality most likely not unless you are an extreme home theater geek.


    Lethal
     
  4. macrumors 68000

    FreeState

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    San Diego, CA
    #4
    AppleTV does not support 1080p but will up convert to 1080i. So no, your current 1080i TV is great.
     
  5. thread starter macrumors regular

    Delta608

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    #5

    Thanks !! :D:D
     
  6. macrumors 6502

    themanfromvlad

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    Montreal
    #6
    if your TV is 46 inches or less, don't waste your money on 1080p. If you've got a 50+ inch screen and you're a videophile, you may notice a difference.
     
  7. macrumors 68000

    Much Ado

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    #7
    Everyone here seems to be recommending TVs :confused:

    The OP asked whether his 1080i set would look any different with an Apple TV than on a 1080p set. The answer is no.

    Bingo.
     
  8. macrumors 68020

    Joined:
    Mar 4, 2007
    #8
    If your TV supports 720p and 1080i, but not 1080p; your picture will look best (read more stable) in 720p. 1080i is only better if you have a 1080p TV. I know that this is confusing, but keep in mind that the highest native resolution resolution offered by apple is 720p, so with Apple TV you wont be be gaining anything by going to 1080i anyway.
     
  9. thread starter macrumors regular

    Delta608

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    #9

    Thanks, bought it last night (160 Gig) and set it up this morning...Installation went flawlessly..Synced all my SouthPark episodes and movies, and tunes without a hitch....I used the hardwire I had set up with my Xbox 360 so it was fassst.!! (Fios !!) Sold the Xbox this AM tooo..Dont need it anymore and Microsoft Point pricing is a bit confusing !!:D:D
     
  10. macrumors 6502

    Joined:
    Dec 29, 2007
    #10
    I checked apple's website and apple tv only supports up to 720p. If you don't know what the i and p mean, i is where the lines skip so horizontal lines 1 3 5 and 7 all go in frame one then 2 4 6 and 8 in frame 2. p means all the lines play in every frame. Unless you're playing in a low framerate you should be fine with i. But if there isn't much of a price difference and it means a lot to you. go p
     
  11. macrumors 68040

    DakotaGuy

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    #11
    I know some people say this, but I find my 42" Vizio 720p/1080i LCD HDTV looks better when I input 1080i instead of 720p. It seems that mine does a better job of scaling down to 768p then it does scaling up to it. A lot of the 720p LCD TV's are actually 768p. I notice however when I watch football on FOX in 720p over CBS or NBC in 1080i that the motion is slightly smoother on the screen, but the picture doesn't look quite as rich to me. Right now NBC and CBS broadcast their HD content in 1080i and ABC and FOX does theirs in 720p.
     
  12. macrumors 68040

    Joined:
    Jun 20, 2007
    #12
    I personally prefer 720p. FOX, ABC, ESPN, and HBO all have the best looking programs in my view (and all are 720p). I do not like CBS broadcasting that much at all, NBC's is better. Interlacing should never have been carried over to HD, it is outdated technology.
     
  13. macrumors 68040

    DakotaGuy

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    #13
    Well as I understand it all flat panel displays are progressive scan displays. If a network broadcasts in 720p then all 720 lines are sent and drawn on the screen at the same time. 1080i sends only half of the information on each cycle and then the processor in the TV puts the lines back together and displays it progressively. Wouldn't it really come down to how good the processor in the TV can process and display the lines?

    Maybe I am not understanding how this all works, but from what I have read this seems to be the case.
     
  14. macrumors 68000

    Much Ado

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    #14
    You're still only receiving 'all' 1080 lines at half the frequency, though... So i suppose 1080i at 60Hz would end up as 1080p at 30Hz.

    Is that right?
     
  15. macrumors 65816

    AppleNewton

    Joined:
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    #15
    in a way yes...and not to get way too off topic:

    The actual frame rate of a 1080i broadcasts is around 0.1% slower than implied. So when you have a 1080i30 aka 30Hz transmission it really just outputs about 29.97 frames each second. Which are just 24/30/60 and 23.976/29.97/59.94
    So really, there is no 1080p broadcasting in existence at this time.
    digitizing film from a 35mm is at 1080p/24, fit into 1080i/50 or 1080i/60 (progressive with segmented frames). With proper 3:2 deinterlacing reversal, it can be converted back into a true 1080p/24 signal.
    (various sources and books iv ebeen reading lately aswell)


    So in retrospect, a 1080i or 720p HDTV is a great and still current technology for apple tv and wont notice a huge quality difference, say if appletv does start disbursing 1080p content, there will definitely be a video Pull-up of about 0.1% ~ 0.4% depending on the Hz of the signal itself.
    As 1080i IS INTERLACED due to the pull-down of 1080p content and pull up of 720p material.


    So yes again, the TV will work fine and perfect and will be a reasonable display for appletv =)



    iam looking into a hdtv myself for my new appletv arriving soon! cant wait to spend money on movie rentals from iTunes as opposed to driving in the cold to the video store, wasting 45minutes not finding what i want and leaving with something i wont watch till the last day! lol!! @ $5 a pop

    save gas + rental money!!

    :cool:

    :apple:



    hope that information helped!!!
     

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