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    [ANSWERED] Video transmission Hd base t ?

    Hardware
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    • L
      labelbrut last edited by Woland

      Hi ! 

      I'm looking for a way to transmit video from macbook pro ( hdmi 1920x1200 ) to a projector. The distance is 50 meters. I'm thinking of a hdmi to hd base t converter, anyone has a model to advice ? Or another way to do it ? 

      Thanx

      Xavier 

      1 Reply Last reply Reply Quote 0
      • Juriaan
        Juriaan Tech Staff last edited by

        So personally I would go for either SDI with those distances or for NDI (NewTek), basically Isadora (3) is capable of sending a NDI Stream, then you only need a small PC to receive the stream and spit it out to HDMI.

        Other way is to go full SDI and get some Blackmagic Micro Converters (HDMI > SDI & SDI > HDMI) and some SDI cable, really straightforward that way.

        Isadora 3.1.1, Dell XPS 17 9710, Windows 10
        Interactive Performance Designer, Freelance Artist, Scenographer, Lighting Designer, TroikaTronix Community moderator
        Always in for chatting about interaction in space / performance design. Drop me an email at hello@juriaan.me

        Fred 1 Reply Last reply Reply Quote 1
        • bonemap
          bonemap last edited by bonemap

          I think SDI is going to be a solid option for the distance. 

          Best wishes

          Russell

          http://bonemap.com | Australia
          Izzy 3 STD/USB 3.2.5 | MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | Mac Studio 2022 M1 Max 32GB | OSX 12.5.1 Monterey

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          • keftaparty
            keftaparty last edited by

            As far as I know it's not possible to use SDI for 1920x1200 resolution.

            Only "video standarts" resolutions can be used with SDI.

            Mehdi

            ...
            Mehdi Toutain-Lopez
            www.toutain-lopez.com

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            • Fred
              Fred @Juriaan last edited by

              @juriaan hdbaset for sure, you will get non SMPTE standards like 1920 1200 and look for digital snake cables, they are aimed at audio but are high quality sftp cables and generally cat 7, and rugged. I use some Aten HDMI -hdbaset boxes. The only thing to note is most often the colour compression is 4:2:0, which can be fine, unless your need really pixel perfect. Then SDI at SMPTE is great as colour space is maintained.

              http://www.fredrodrigues.net/
              https://github.com/fred-dev
              OSX 10.15.15 MBP 2019 16" 2.3 GHz 8-Core i9, Radeon Pro 5500M 8 GB, 32g RAM
              Windows 10 7700K, GTX 1080ti, 32g RAM, 2tb raided SSD
              Windows 10 Threadripper 3960x 64g ram, 1tb NVME, rtx 2080ti + rtx2070 super

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              • bonemap
                bonemap last edited by bonemap

                @keftaparty @Fred 

                Thanks for correcting me on that it is always good to learn more about the details!

                best wishes

                Russell

                http://bonemap.com | Australia
                Izzy 3 STD/USB 3.2.5 | MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | Mac Studio 2022 M1 Max 32GB | OSX 12.5.1 Monterey

                1 Reply Last reply Reply Quote 0
                • Juriaan
                  Juriaan Tech Staff last edited by

                  @Fred 

                  Thanks for the information :) I personally had terrible experience with those kind of systems.. (Could also be because of the model..) Will try those Aten HDMI one day.

                  Isadora 3.1.1, Dell XPS 17 9710, Windows 10
                  Interactive Performance Designer, Freelance Artist, Scenographer, Lighting Designer, TroikaTronix Community moderator
                  Always in for chatting about interaction in space / performance design. Drop me an email at hello@juriaan.me

                  1 Reply Last reply Reply Quote 0
                  • cambrucedavis
                    cambrucedavis last edited by

                    I personally have been using Fiber cable and HDMI over fiber a lot recently. You can get the resolution you need and can travel long distances without the fear of electromagnetic interference... The only down side is the cost. The adapters can be fairly pricey. The cable itself can be fairly reasonable in price.

                    I have been using the Shinybow HDMI over Fiber kits (https://www.bhphotovideo.com/c...) and multimode OM3 Duplex LC connector fiber and haven't had any troubles with them yet...I have also used some of the Gefen DVI over fiber and they are quite good as well, but more expensive. 

                    I had created a HDBaseT system, focused around a Gefen Matrix, and we had some flicker issues that have made me nervous about HDBaseT since. Though a lot of projectors are now implementing it which opens up some interesting possibilities.

                    Projection Designer. Toronto, Canada
                    16" MacBook Pro M1 Max: OSX 12.5.1, Isadora 3.2.6

                    bonemap 1 Reply Last reply Reply Quote 2
                    • bonemap
                      bonemap @cambrucedavis last edited by

                      @cambrucedavis said:

                      Fiber kits (https://www.bhphotovideo.com/c...) and multimode OM3 Duplex LC

                       That sounds great. What kind of cable lengths have you used?

                      http://bonemap.com | Australia
                      Izzy 3 STD/USB 3.2.5 | MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | Mac Studio 2022 M1 Max 32GB | OSX 12.5.1 Monterey

                      cambrucedavis 1 Reply Last reply Reply Quote 0
                      • cambrucedavis
                        cambrucedavis @bonemap last edited by

                        @bonemap

                        I've used up to 50m (164ft) and with a few connection points went probably to 250ft and it worked great. Using OM3 fiber they are rated to go 300m (984ft). There are other units that are rated to go further, but I haven't had the need for that yet in mostly indoor theatre...

                        Projection Designer. Toronto, Canada
                        16" MacBook Pro M1 Max: OSX 12.5.1, Isadora 3.2.6

                        1 Reply Last reply Reply Quote 2
                        • barneybroomer
                          barneybroomer Beta Gold last edited by

                          I have very good experiences with decimator MD-LX. But I believe in larger projects you be better off with fiber. Coaxial is going to be heavy at certain distances....Iworked before with the Blackmagic mini converters, but somehow had always little problems with them. Keep in mind if you go over SDI to stay within the SDI specs for output. I am always using SwitchResX to check, double check, triple check...

                          Mac Mini M1 2020 / OSX 11.7
                          MacBook Pro 2,3 Ghz Intel 8 core I9 / OSX 10.15.7
                          MacBook Pro 2,2 Ghz Intel 8 core I7 / OSX 10.15.7

                          and a Motorola DynaTAC 8000X ;)

                          1 Reply Last reply Reply Quote 1
                          • barneybroomer
                            barneybroomer Beta Gold last edited by

                            And forgot to mention the new active HDMI optical fiber cables that are around now, no converters at all! Saw them even on spools of 100meter at Sound and Light in Frankfurt.

                            Mac Mini M1 2020 / OSX 11.7
                            MacBook Pro 2,3 Ghz Intel 8 core I9 / OSX 10.15.7
                            MacBook Pro 2,2 Ghz Intel 8 core I7 / OSX 10.15.7

                            and a Motorola DynaTAC 8000X ;)

                            1 Reply Last reply Reply Quote 2
                            • MABO
                              MABO last edited by

                              I'm using PURETOOLS PTE-HD50. With 90m cat 6 UFTP cable and barely had any problem. Why 90 m ? Provider always keeps a 10 % safety from builder's info (100 m). I bought a 5m HDMI cable from computer to TX and a 5m HDMI cable from RX to projector.

                              PURETOOLS : german brand.... ;)

                              BTW, they also sell an HDMI cable with a safety. A kind of locker that finally bring HDMI cable in "safe zone"... Must check...

                              Best

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