8 Replies Latest reply: May 2, 2012 11:04 AM by zer0hvk RSS

    Output format problem.


      Hey guys! You've always helped me out and I hope you can help me out with this problem I have.

      I was asked to give two videos a specific output, one of them I developed in After Effects, the other is a Quicktime (.MOV) video.

      I'm actively trying but I can't seem to figure out how to deliver the exact requirements they're asking of me. Here goes.

      My animation on AE was made at 720x480, Square pixels.

      The .MOV is at (according to QuickTime Inspector) 720x486 (640x480) Linear PCM. At 29.97 FPS, 53.62 Mbit/s Current Size 648x480.


      Their requirements are:

      Wrapper: Quicktime Selfcontained

      Header: ALIS

      Scan: Interlaced

      Field Dominance: Lower field

      Compressor: DVCPRO 50

      Bit Rate: 50 Mnps

      FPS: 29.97

      Codec Audio: PCM

      Aspect Ratio: 4:03


      They're asking for Betacam format.

      I have, honestly no idea how to get all those requirements in the file.

      I can output it compressed by DVCPRO50 from AE, but I can't alter the Bitrate and the aspect is changed to 0.91, I have no idea how to get the PCM audio codec, or how to change the field dominance.

      I've been using AE for a while now, but I've never been asked to get a different format other than Quicktime with H264 compression.


      I'm sorry this is so long, but, I hope you guys can help me out on how to get these specifications on these files. Wether it can be done directly from AE, or if I have to use Adobe Media Encoder, or something of the sort.

      If you need ANY information I haven't given you, please let me know.

      Thanks for your attention!!

        • 1. Re: Output format problem.
          Mylenium MVP

          Betacam is a tape type, not an output spec and you cannot export it from AE. You simply use any file that matches the spec, they import it into their edit suite and lay it off to tape. PCM is plain unvcoimpressed audio (WAV/ AIFF) and for DigitalBetacam it needs to be 48kHz. For Everything else simply use any Quicktime CoDec that their edit suite supports/ is able to import using a standard NTSC output. That requirement for DVCPro is just plain nonsense, so I can only assume they have no clue.



          • 2. Re: Output format problem.
            zer0hvk Community Member

            Yeah, as a matter of fact, I'm sorry, just, ignore the "Betacam" part of the post, they're just asking me to give them a file with the characteristics I mentioned, and, whenever I try to compress it to a DVCPRO50 (in Final Cut, in Quicktime 7 PRO...), when I play it and open the inspector, it displays to me as "720x480 (640x480 actual)".

            Did I mess up? What can I do to fix this?

            I'm sorry if there's something obvious I don't know about, any help would be appreciated.

            • 3. Re: Output format problem.
              Mylenium MVP

              There's nothing wrong. Computers work with square pixels and Quicktime doesn't compensate for anamorphic pixel aspect ratios. It merely telsl you the effective size of its display window. If imported correctly in whatever program, this is not an issue.



              • 4. Re: Output format problem.
                zer0hvk Community Member

                So if they're asking me for a 720x480 output, and the inspector says it's "720x480 (640x480 actual)", it's still considered 720x480?

                I've been breaking my head trying to figure out how to get the output to be 720x480 on DVCPRO50 but I've failed every single time.

                • 5. Re: Output format problem.
                  Dave LaRonde Community Member

                  The DVCPro 50 codec specifications mandate 720x480.  It's a 4x3 screen aspect ratio, the PIXEL aspect ratio is slightly less than 1.0, and you can use the NTSC DV comp preset to get the proper AE comp settings.  Then you choose the DVCPro 50 codec for rendering.


                  I recommend a copying all the layers of your incorrect comp into the new comp with the proper settings.  You can then play around with scale if necessary.

                  • 6. Re: Output format problem.
                    zer0hvk Community Member

                    Just did another render using the NTSC DV comp preset, I added my main comp (which contains all the other comps my animation is comprised of) and just resized it a bit for it to fit.

                    Selected the DVPRO50 codec and rendered.

                    The result is, again, when opened on QuickTime, displayed as "Format: DVCPRO50, 720x480 (640x480), Millions".

                    Again, if they asked me for a 720x480 video, is this result valid? Or am I essentially delivering a 640x480 file? Or would this be a valid delivery? How can it be 720 AND 640 at the same time? Or which one of these is the "real" one?

                    I'm a bit confused by this, I'm sorry. If there's anything I can add to clarify, I'd be glad to comply.

                    Thanks, Mr. LaRonde. Once again helping me out!

                    • 7. Re: Output format problem.
                      Dave LaRonde Community Member

                      Your answers, in the order they were asked:



                      It's the proper kind.



                      It's a quirk of quicktime nomenclature.

                      Don't worry, it's okay.

                      • 8. Re: Output format problem.
                        zer0hvk Community Member

                        Thank you so much for your time, sir!