Video question

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  • CS-Jay
    Confirmed User
    • Oct 2003
    • 1794
    #1

    Video question

    Hey all, I have a video rendering question. I am using Cleaner XL, and I'm trying to render out a avi into mpeg1, at 640x480 and 320x240, but the file sizes are huge for good quality videos. The video is 18 minutes long and the best I can go is 500megs for the larger screen size.

    Is that on par with what it should be? Or is that just way to big? If it is too big, what's some suggested settings?

    Thanks,
    Jay
    I do stuff - aIm CS_Jay_D
    Tags: None
    • Brad Gosse
      Confirmed User
      • Jan 2002
      • 2616
      #2
      640x480 MPEG-1 files are almost always monstrous.

      Your numbers make it sound like your vid may be a little choppy.

      If you don't mind the format MPEG-4 looks awesome at 1/3 the file size
      Free Clipart

        Comment

        • jollyperv
          Confirmed User
          • Nov 2001
          • 3927
          #3
          Search google or doom9 or digital-digest.com for a "mpeg bitrate calculator", then use that to decide how big you want your files and replace whatever bitrate is in your preset in cleaner.

          EDIT: Get one that has filesize/bitrate corelation
          Last edited by jollyperv; 04-19-2007, 07:43 AM.

            Comment

            • Jim_Gunn
              Confirmed User
              • Feb 2003
              • 5702
              #4
              Originally posted by CS-Jay
              Hey all, I have a video rendering question. I am using Cleaner XL, and I'm trying to render out a avi into mpeg1, at 640x480 and 320x240, but the file sizes are huge for good quality videos. The video is 18 minutes long and the best I can go is 500megs for the larger screen size.

              Is that on par with what it should be? Or is that just way to big? If it is too big, what's some suggested settings?

              Thanks,
              Jay
              What video bitrate are you using? For MPEG-1 or WMV clips I would try to encode to 800 Kbps video bitrate for 320 x 240 frame sizes and 1500 Kbps for 640 x 480 frame sized video clips, with 48/32 stereo audio for both. Those should probably give you a smaller file size that looks good for an 18 minute clip.

                Comment

                • jollyperv
                  Confirmed User
                  • Nov 2001
                  • 3927
                  #5
                  Yeah, keep the audio at 32 kbits, shit even mono audio will save on file size.

                    Comment

                    • Jim_Gunn
                      Confirmed User
                      • Feb 2003
                      • 5702
                      #6
                      Originally posted by jollyperv
                      Yeah, keep the audio at 32 kbits, shit even mono audio will save on file size.
                      FYI, I never recommend going mono audio just because it hardly saves any extra file size compared to shrinking the video bitrate a little bit and more importantly, I think it is lame to use mono since getting audio only out of the left speaker creates a poor experience for the end user.

                        Comment

                        • jollyperv
                          Confirmed User
                          • Nov 2001
                          • 3927
                          #7
                          Originally posted by Jim_Gunn
                          FYI, I never recommend going mono audio just because it hardly saves any extra file size compared to shrinking the video bitrate a little bit and more importantly, I think it is lame to use mono since getting audio only out of the left speaker is lame for the end user.
                          Actually, mono is the same thing coming out of each speaker, dead in the center with nothing panned.

                            Comment

                            • Chris
                              Too lazy to set a custom title
                              • May 2003
                              • 27880
                              #8
                              hrmm i have been just rendering my videos out of vegas 6 in avi default settings and then using a program shirnk & burn 2 to get the file size down

                              anyone suggest some toher tools to do my shrinkin?
                              [email protected]

                                Comment

                                • Jim_Gunn
                                  Confirmed User
                                  • Feb 2003
                                  • 5702
                                  #9
                                  Originally posted by jollyperv
                                  Actually, mono is the same thing coming out of each speaker, dead in the center with nothing panned.

                                  When most end users play mono like that the volume will be dominant mostly in the left sided speakers, it's never truly even to my ears and it sounds hollow as hell anyway. Especially in cheap speakers like many end users have. When I film with a mono mic I always fill both my audio channels to simulate stereo. It sounds completely different and 100% better, so no use to try and shrink the file a little extra at the expense of the overall sound quality in my humble opinion.

                                    Comment

                                    • CS-Jay
                                      Confirmed User
                                      • Oct 2003
                                      • 1794
                                      #10
                                      Originally posted by Jim_Gunn
                                      What video bitrate are you using? For MPEG-1 or WMV clips I would try to encode to 800 Kbps video bitrate for 320 x 240 frame sizes and 1500 Kbps for 640 x 480 frame sized video clips, with 48/32 stereo audio for both. Those should probably give you a smaller file size that looks good for an 18 minute clip.
                                      It's at 2000kbs, for the bigger version. But the video starts too look bad though. I"m going to retest it with your setting to see how it turns out. (I'm only rendering a minutes worth now)
                                      I do stuff - aIm CS_Jay_D

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