5 Replies Latest reply on Sep 21, 2011 8:39 PM by Colin Brougham

    Re: Youtube and 4K/5K clips

    ectobuilder50 Level 1

      What file format should we encode to in order to upload 4K or 5K files to Youtube?

        • 1. Re: Youtube and 4K/5K clips
          Colin Brougham Level 6

          Maximum resolution on YouTube at present is 1920x1080. I'm sure you could upload a 4K file, but it would be down-rezzed.

           

          Premiere Pro doesn't ship with an H.264 1080p preset for YouTube, but you could use the H.264 720p YouTube preset as a starting point and then increase the dimensions as well as the bit rate a tad. You'll have to do a little experimentation to find the bit rate that preserves the most quality after YouTube does its dance on your upload. YouTube no longer passes through anything--everything uploaded is reencoded--but there's a practical limit to which you can increase the bit rate before you start receiving diminishing returns for longer uploads.

           

          My YT 1080p preset is something like Average Bit Rate 8Mbps/Maximum Bit Rate 10Mbps, but typically my videos don't go much over 5Mbps due to the content. Every video is different.

          • 2. Re: Youtube and 4K/5K clips
            ectobuilder50 Level 1

            So how do people get 4K files to YouTube?  They upload the RAW R3D file?

            • 3. Re: Youtube and 4K/5K clips
              Colin Brougham Level 6

              I'm saying that most people don't--and I'm not sure YT would accept any 4K file, much less an R3D file. You'd be uploading forever...

               

              I'm confused: are you trying to post a finished video on YT or distribute raw footage?

              • 5. Re: Youtube and 4K/5K clips
                Colin Brougham Level 6

                OK. There you have it. Frankly, I don't see the point--it takes forever to buffer and I don't know about you, but I don't have a 4K monitor.

                 

                Why not try to upload an R3D file? YT is going to convert whatever you upload, anyway, so if that doesn't work you can always try an MP4.

                 

                I downloaded one of those. Here are the guts:

                 

                General
                Complete name                    : E:\Life_in_the_Garden_4k_resolution.mp4
                Format                           : MPEG-4
                Format profile                   : Base Media / Version 2
                Codec ID                         : mp42
                File size                        : 268 MiB
                Duration                         : 1mn 53s
                Overall bit rate                 : 19.8 Mbps
                Encoded date                     : UTC 2010-07-18 07:21:35
                Tagged date                      : UTC 2010-07-18 07:21:35
                gsst                             : 0
                gstd                             : 113696
                gssd                             : BADC207A5MH1316661840244974
                gshh                             : o-o.preferred.iad09s10.v5.lscache4.c.youtube.com
                
                Video
                ID                               : 2
                Format                           : AVC
                Format/Info                      : Advanced Video Codec
                Format profile                   : High@L5.1
                Format settings, CABAC           : No
                Format settings, ReFrames        : 1 frame
                Format settings, GOP             : M=1, N=60
                Codec ID                         : avc1
                Codec ID/Info                    : Advanced Video Coding
                Duration                         : 1mn 53s
                Bit rate                         : 19.7 Mbps
                Maximum bit rate                 : 60.3 Mbps
                Width                            : 4 096 pixels
                Height                           : 2 304 pixels
                Display aspect ratio             : 16:9
                Frame rate mode                  : Constant
                Frame rate                       : 23.976 fps
                Color space                      : YUV
                Chroma subsampling               : 4:2:0
                Bit depth                        : 8 bits
                Scan type                        : Progressive
                Bits/(Pixel*Frame)               : 0.087
                Stream size                      : 267 MiB (99%)
                Title                            : (C) 2007 Google Inc. v08.13.2007.
                Encoded date                     : UTC 2010-07-18 07:21:35
                Tagged date                      : UTC 2010-07-18 07:21:37
                
                Audio
                ID                               : 1
                Format                           : AAC
                Format/Info                      : Advanced Audio Codec
                Format profile                   : LC
                Codec ID                         : 40
                Duration                         : 1mn 53s
                Bit rate mode                    : Variable
                Bit rate                         : 119 Kbps
                Maximum bit rate                 : 178 Kbps
                Channel(s)                       : 2 channels
                Channel positions                : Front: L R
                Sampling rate                    : 48.0 KHz
                Compression mode                 : Lossy
                Stream size                      : 1.62 MiB (1%)
                Title                            : (C) 2007 Google Inc. v08.13.2007.
                Encoded date                     : UTC 2010-07-18 07:21:35
                Tagged date                      : UTC 2010-07-18 07:21:37