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    USB Camera Video input with long run

    How To... ?
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    • D
      DStrohan last edited by

      I'm doing a live video show, where I am using a USB camera to project the audience onto the screen, which then show video based on their actions.  The USB camera will be located behind or round the mapped surface, but the feed coming from the camera is glitchy and delayed by a .5 second to 1 second. As it is a USB camera, and how the space is setup, I have to connect the USB camera to the computer via a USB over cat5 extender. I'm wondering if there is anything within Isadora that I could use to make the camera work seamlessly. I don't really have any budget with this project so I can afford to purchase expense video interfaced and such. Wondering if there is a work around for the glitchy video.

      Woland ioio Fred 3 Replies Last reply Reply Quote 0
      • Woland
        Woland Tech Staff @DStrohan last edited by

        @dstrohan

        I'm afraid to say that this sounds like a hardware limitation...

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        | Isadora 2.6.1 + 3 | Mac Pro (Late 2013), macOS 10.14.6, 3.5GHz 6-core, 1TB SSD, 64GB RAM, Dual AMD FirePro D700s | Macbook Pro (Retina, 15", Mid 2015), macOS 10.11.4, 2.8GHz Intel Core i7, 16GB RAM, Intel Iris Pro 1536 MB |

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        • D
          DStrohan last edited by

          Do you know of any inexpensive video interfaced that work with RCA or BNC connections?

          1 Reply Last reply Reply Quote 0
          • V
            vjw last edited by vjw

            I've had very good luck with USB cameras using a USB cable with an amplifer.  Also known as repeater cable.  I've used 2 40' cables for an 80' run with no glitching.  You can easily find it online.

            I've also used firewire cable with my Canopus digitizer (old technology, but works well and cleanly) as well as RCA audio cable with a non-USB camera and have run 100' with a clean signal.  My camera is a small digital Canon - not much larger than my USB cameras.

            PC Win10 64bit, Intel i7 2.8GHz Izz 2.6.1, 3.07 Choreographer and adventurer www.comotion.org

            1 Reply Last reply Reply Quote 1
            • ioio
              ioio @DStrohan last edited by

              @dstrohan

              Hello,

              i worked with isadora and a full hd usb camera like these: https://elpailipu.aliexpress.c... and 2 usb active cords (20m+20m) and it works great. The delay is one or two frames with good quality. The cam is cheap like 50$ and a 20 m cord is 20$.

              1 Reply Last reply Reply Quote 1
              • Fred
                Fred @DStrohan last edited by

                @dstrohan yes active USB extensions (I use Dlock ones) even chained USB hubs can work. For future or other reference good quality USB extensions over Cat5/6 work great, I have had kinect 1 devices 50m away working perfectly reliably.

                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
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                1 Reply Last reply Reply Quote 1
                • craigw
                  craigw last edited by

                  Hi, I use the cheep Amazon StarTech, they work well however if there is no activity at the other end it goes to sleep. It's an easy fix just power cycling the extender.

                  Another small downside is most of these that I have seen are 10/100 speed.

                  OS 10.15.7 Catalina 2017 MacPro, 32g Ram ,AMD FirePro D700 6144 MB. Isadora v3.2.5 Los Angeles CA

                  1 Reply Last reply Reply Quote 1
                  • kirschkematthias
                    kirschkematthias last edited by

                    Last week I used a Lindy USB to CAT converter and it worked fantastic: https://www.lindy.de/USB-2-0-C...

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