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Need video clarification please

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    #31
    Re: Need video clarification please

    Originally posted by aaronwt View Post
    There are always going to be better compression algorithms but typically with a consumer format, you can only choose what's available at a a certain time and keep using that compression format.
    Like OTA HD. It's stuck using MPEG2 here in the US because that is what they chose many years ago.
    Since VUDU does there own encoding at one end and then decoding at the box, it's conceivable that they could create and use their own compression codec. After all they use to be called something... something... "Labs".

    But it's definitely much easier to obtain and use something that is already there for convience sake and time to market issues. For example, I could have written my own TCP stack or my own HTTPS Server, if I wanted to take the time to. But it was much easier just to use someone else's code.

    But taking the easy way doesn't necessarily mean it's technically the best way. The're probably are lot's of considerations to take into account both business wise and technical in order to decide what is the best thing to do.

    Feel free to correct me, but right now the way I see it is that in order to get more bits in my bucket, the compression routine needs to be improved to maintain a certain bandwidth limit, or more bits need to be sent with a higher bandwidth limit requirement. Most people seem to think that only the latter is possible.

    I believe over time, both of those things will happen. The question is, who's going to do it and who's going to get rich from doing it???

    I retired at 48 (it took me 8 years longer than I planned), but I wasn't able to do it because I'm some sort of rocket scientist. I was able to do it by seeing and taking advantage of situations around me. Oh, and I actually had to work hard too.

    Regards

    Comment


      #32
      Re: Need video clarification please

      Originally posted by aaronwt View Post
      So the SD content isn't 480P24? I thought when I asked that questiona few months ago I was told it was 480P24 and 1080P24 for the content.
      Either way it's better than DVD which is only 480i.

      All our movies are encoded with 24fps. So yes, our native SD format is 480p/24. Now there is also some TV content that we encoded in 480p/29.97.

      Comment


        #33
        Re: Need video clarification please

        Originally posted by VolkerS View Post
        All our movies are encoded with 24fps. So yes, our native SD format is 480p/24. Now there is also some TV content that we encoded in 480p/29.97.
        Thanks for that!!!

        That also answers the TV content question I had asked awhile ago.

        I'm not sure what 29.97 is (yet), but I'm definitely feeling better that I made the right choice for the new $3000 LCD I just bought. I won't get it until sometime next week, but now I'm excited to see what sort of video quality improvement I'll get with 1080/24p, compared to my existing display.

        Comment


          #34
          Re: Need video clarification please

          Originally posted by HeadHodge View Post
          I'm not sure what 29.97 is (yet).

          http://ellingtonmedia.com/blog/2007/...s-or-why-2997/

          I found a fairly laymans explanation.

          Comment


            #35
            Re: Need video clarification please

            Originally posted by HeadHodge View Post
            But nobody will talk about or mathmatically prove what is possible or impossible with an as yet newly created compression routine.
            You mean we don't know what we don't know?

            Anyway, since you seem to be interested in compression theorems and limits, I suggest you read this:
            http://en.wikipedia.org/wiki/Kolmogorov_complexity

            -- Greg

            Comment


              #36
              Re: Need video clarification please

              Originally posted by Greg View Post
              You mean we don't know what we don't know?

              Anyway, since you seem to be interested in compression theorems and limits, I suggest you read this:
              http://en.wikipedia.org/wiki/Kolmogorov_complexity

              -- Greg
              Like Shultz, if I knew, I wouldn't even tell myself. So now I don't really know if I know or not?? So in reality we might not know what we really do know!!

              Sanity is such a frail thing. I've tried several times to throw Brain a lifeline, but he just won't take it. I'm sorry to say, I think the poor little mouse might be too far gone.

              Thanks for the link Greg!! I'll take a gander.

              Here's the bonus point answer just for you from my off-topic posts: http://www.krysstal.com/sphertrig.html

              Comment


                #37
                Re: Need video clarification please

                Originally posted by JohnA View Post
                Our standard definition content is 480p/60 native and our HD is 1080p/24 native.
                Originally posted by HeadHodge View Post
                No worries mate, we'll just give you a rubber duckie, a flare gun, and drag you with a large inner-tube!!

                Thanks everyone.
                Originally posted by VolkerS View Post
                All our movies are encoded with 24fps. So yes, our native SD format is 480p/24. Now there is also some TV content that we encoded in 480p/29.97.
                John, I don't think I ever mentioned if the inner-tube would have air in it, did I??

                Comment


                  #38
                  Re: Need video clarification please

                  Yeah, I saw Volker's correction and then proceeded to hunt down my source of info.
                  Vudu Forum Moderator

                  Comment


                    #39
                    Re: Need video clarification please

                    Originally posted by JohnA View Post
                    Yeah, I saw Volker's correction and then proceeded to hunt down my source of info.
                    In the "rock-paper-scissors" of Vudu Compression Methodologies, VolkerS beats JohnA.

                    Comment


                      #40
                      Re: Need video clarification please

                      Originally posted by Greg View Post
                      You mean we don't know what we don't know?

                      Anyway, since you seem to be interested in compression theorems and limits, I suggest you read this:
                      http://en.wikipedia.org/wiki/Kolmogorov_complexity

                      -- Greg
                      I love this stuff. I used to do Mandelbrot sets at college and they were fun to graph out on the computer. You have to subtract or be less than infinity...now where is that infinity function?

                      Comment


                        #41
                        Re: Need video clarification please

                        Originally posted by RonV View Post
                        I love this stuff. I used to do Mandelbrot sets at college and they were fun to graph out on the computer. You have to subtract or be less than infinity...now where is that infinity function?
                        I could be wrong but I think it's forever gone.

                        Comment


                          #42
                          Re: Need video clarification please

                          Originally posted by RonV View Post
                          I love this stuff. I used to do Mandelbrot sets at college and they were fun to graph out on the computer.
                          I think it's really great too. The VUDU forum is the only place I know where not only can you get help to plug your dongle in properly, but you can also walk away with a college degree as well!!!

                          Comment


                            #43
                            Re: Need video clarification please

                            Here goes another thread way down south..

                            Infinity...

                            The population of the universe is zero. How do I know this?

                            Well, the universe is basically infinite in size. Therefore it follows that there must be an infinite number of planets. But we all know that not every world is inhabited therefore there's a finite number of habitable worlds. Any finite number divided by infinity is effectively zero. So the population of the universe then is zero..

                            We don't exist...


                            Bonus Question: Tell me the name of the book and the author where this concept comes up.

                            Comment


                              #44
                              Re: Need video clarification please

                              Originally posted by NA9D View Post
                              Here goes another thread way down south..

                              Infinity...

                              The population of the universe is zero. How do I know this?

                              Well, the universe is basically infinite in size. Therefore it follows that there must be an infinite number of planets. But we all know that not every world is inhabited therefore there's a finite number of habitable worlds. Any finite number divided by infinity is effectively zero. So the population of the universe then is zero..

                              We don't exist...


                              Bonus Question: Tell me the name of the book and the author where this concept comes up.
                              I don't know (yet) who wrote that. But I DO know that the reason the answer is effectively zero is that he/she wasn't doing floating point math.

                              Refer to my previous post about Computational Techniques for Infinity!!

                              Comment


                                #45
                                Re: Need video clarification please

                                By the way, that wasn't a direct quote. But if you have read the book you'll know it immediately!

                                Comment

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