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Super HD Rocks on the Premiere!

Discussion in 'TiVo Premiere DVRs' started by HockeyFan, Feb 6, 2013.

  1. Mike-Wolf

    Mike-Wolf New Member

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    Feb 25, 2013
    There is a ton of Netflix Example videos one can check out that runs at different frames per second which is really awesome for testing and showing off purposes.
    http://movies.netflix.com/WiMovie/Example_Short_24/70136889?trkid=2361637
    http://movies.netflix.com/WiMovie/Example_Short_25/70136890?trkid=2361637
    http://movies.netflix.com/WiMovie/Example_Short_29.97/70136891?trkid=2361637
     
  2. mikeyts

    mikeyts Stream Warrior

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    San Diego,...
    The most useful of those (IMO) is "Example Short 23.976", which I mentioned back in this post. It's the only one with a bit-rate/resolution info overlay burned into each of its component video encodes. While you play it, you can see what bit rate is currently being streamed.

    There are a bunch of those "Example" clips; they appear to be the only things in Netflix's library with the word "example" in their titles. They also seem to all be composed of the same 11 minute 10 second sequence, repeated as many times as necessary for whatever it is that they're providing a test for. I don't know just how good it is as "demo" material :D.
     
  3. Mike-Wolf

    Mike-Wolf New Member

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    Feb 25, 2013
    Actually I've taken the time to watch each one and found subtle differences in the videos even though they have the same sequences, like a mix of different takes for the various videos. There are a few SuperHD encoded example videos including an 8 hour loop. I'm assuming these videos are used for trade shows to demo new displays and technologies?
     
  4. sharkster

    sharkster Well-Known Member

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    NV
    Same here (Northern Nevada-Charter). I didn't even know what it was when I recently re-joined Netflix to watch 'House of Cards'. I noticed that it said, on the Netflix screen, that HoC is in 'super HD'. Hadn't even heard of that but the show didn't look any more spectacular than I expected. The only thing was that when I started each episode, for anywhere from a minute to 2 or 3 minutes, it was pixely.

    I'd be happy if we could just get 'On Demand' here through Tivo Premiere.
     
  5. HerronScott

    HerronScott Well-Known Member

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    Staunton, VA
    Mike,

    I'm playing this one now and don't see any bit-rate/resolution info. Is this because I've got an S3 OLED?

    Scott
     
  6. mikeyts

    mikeyts Stream Warrior

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    Jul 10, 2004
    San Diego,...
    Yes. There are apparently several different sets of video encodes for every title (they've stated that 120 files are created for each). The TiVo Series3s and many other "legacy" players use a set of VC-1 video encodes with WMA stereo sound. I think that there are 4 standard def encodes at various bit rates for those and (for some) a single 720p HD one; no Super HD, no 1080p at all. The players don't use adaptive bit rate tech; they choose an encode according to initial conditions on their connections to Netflix's servers and if things get worse they'll pause and re-buffer a lower bit rate encode; they can't shift to higher bit rate encodes if conditions get better. (The Xbox 360 did a crude version of adaptive bit rate when it was using this set of encodes in which it could recover to higher bit rate encodes, pausing to re-buffer when it did. I doubt that any of the others attempted it).

    Players from the last few years use sets of H.264/AVC video with stereo sound in a format that I'm not sure of (64- and 192 Kbps, probably DD 2.0) with possibly Dolby Digital Plus sound at 384 Kbps. The newer encode sets have sound separate from the video such that you can choose from multiple soundtracks in different languages (if available) and choose from multiple different subtitle sets. They are set up for adaptive bit rate streaming tech, which will smoothly (without pause) drop down to lower bit rate encodes if conditions on their connections to the servers worsen and smoothly ramp up to higher bit rate encodes if things get better.

    You've watched every minute of all 27 of them? Wow :D. I'll take your word for it that some contain different takes of the same thing. My guess is that they're prepared for regression testing purposes and not particularly intended for public consumption. 17 of the 27 have Super HD encodes, the rest being limited to 720p. IMHO they make incredibly lame demo material.
     
  7. Mike-Wolf

    Mike-Wolf New Member

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    Feb 25, 2013
    I admit that it's not exactly considered "eye candy" but I think it's more intended as technical demos for how well a product can stream and handle the various video and audio bits. Some have a long list of languages in both the subtitle section and language section as well as frame rates and audio types, some being stereo while others being surround sound. In fact there is actually one video called El Fuente: 24 fps is about Mexico https://movies.netflix.com/WiMovie/El Fuente: 24 fps/70269551?trkid=438403
     
  8. mikeyts

    mikeyts Stream Warrior

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    We'll just have to disagree. The reason why the examples cover every base possible is because they need that for regression testing. If they make a change to their system they need to try every type of stream that they have and they need to try it from various players as requested and streamed over the open Internet just as their customers use it. Except for El Fuente they're all composed of that same 11 minute 10 second sequence of basically nothing, photographed in a mediocre fashion (there may be some types of motion and lighting, etc that they're trying to represent there). El Fuente is one out of 27 clips--it alone seems like legitimate demo material; it's a colorful little travelogue. (I've lived in this city on the border of Mexico for 12 years; one of these days I'll have to go there :D. But then I'm too lazy to make the 10 mile drive to the beach :rolleyes:).
     
  9. Mike-Wolf

    Mike-Wolf New Member

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    Feb 25, 2013
    Love San Diego, it's amazing. Don't take it for granted.
    Also I agree with you with what you've said in this post and the related posts about this topic.
     

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