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    A good capture device for USB?

    Hardware
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    • N
      nic Beta Tester last edited by

      Hi Folks,
      I've been using Isadora for years with a standard camcorder (Sony) and firewire but have now got a problem with the limited cable length of a firewire cable.
      To send a live feed from a stage (a real stage I might add,  not an Izzy one), to the tech box I need to run a fair amount of cable; 30 m or so. Firewire is limited to about 5m I think.
      I've tried using the composite output of the camera and running this signal all the way up to the mac in the tech box with a USB capture adaptor attached, but have found this problematic (the USB adaptor creates bad interlacing, letterboxes the screen, cuts out every few minutes, and even overlays it's logo on the image!).
      Can anyone suggest a better way to do this and keep up "reasonable" quality for live feed to Isadora? Perhaps even a better USB adaptor?
      thanks,
      Nic

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

        I've been using the Pinnacle **Dazzle DVC 100. ** Works perfectly - no issues at all on a PC!</span>

        EDIT: To clarify, I still use the composite output of the camera, as you do and have run 150 feet on coaxial cable without issue.

        Cheers,

        Hugh

        Hugh in Winnipeg - All test machines, Win10/11 Pro, 64 bit, OS SSD and separate data SSD.
        Dell 7560, i9 11950H, 64 gigs, NVIDIA RTX A4000 w/8 GB GDDR6

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        • MatthewH
          MatthewH Beta Tester last edited by

          I know of many Isadora users who use the Canopus/Grass Valley ADVC55 for composite capture via firewire. This is going to give you reduced latency compared to a USB capture device and I have never had a problem with these across several projects I've used them on. I generally gravitate towards PCIe based capture devices but firewire is definitely a big step up from USB.

          Matthew Haber :: matthewhaber.com :: besidedigital.com :: Download my actors: http://www.matthewhaber.com/isadora-actors

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          • Kathmandale
            Kathmandale last edited by

            I've always been really frustrated with USB capture devices until last week. I was working on a project using other peoples gear and they used an EZcap device with Videoglide capture software. I didn't run any specific tests, just the old fashioned looking at it really hard method, but it was by far and away the fastest/smoothest low budget USB capture I've seen. Videoglide worked seamlessly with Isadora, not tried it before and I was dead impressed.

            Having said that I do try to avoid USB, the firewire devices Matthew mentions have a good reputation. Again as Matthew suggests, if you can, then the step up to PCIe is well worth it. [Blackmagic](http://www.blackmagicdesign.com/products/) do a great range of PCIe cards and Thunderbolt/USB3.0 capture/playback devices, as do [Matrox](http://www.matrox.com/video/en/products/). Not cheap tho...

            2014 MBP Mojave 10.14.6 OS with 16GB, 2.5Ghz i7 quad core, Intel Iris Pro 1536 & Geforce GT 750m 2GB - Izzy 3.0.8
            Gigabyte Brix Windows 10 with 32GB, i7-6700 quad core, 4GB GeForce GTX 950 - Izzy 3.0.8
            Based in Manchester, UK.

            1 Reply Last reply Reply Quote 0
            • C
              CraigAlfredson last edited by

              I did some very unscientific tests a while back, comparing USB input (via Videoglide), Firewire and PCIe and I found that under many circumstances the USB actually had the lowest latency of the bunch.

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

                i use a Dazzle with videoglide and have had no problems getting composite signal from a camera 50m away. i also have an easycap, but these can be a bit problematic. particularly because there are a number of different versions that need different drivers, but there's no way of telling them apart, so you don't know which drivers will work until they do or dont.

                John Collingswood
                taikabox.com
                2019 MBPT 2.6GHZ i7 OSX15.3.2 16GB
                plus an old iMac and assorted Mac Minis for installations

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                • vanakaru
                  vanakaru last edited by

                  Look this list. It has been updated over the years. For mac though.

                  [Modul8 v2.5.8+ Video Capture Compatibilty List](http://forum.garagecube.com/viewtopic.php?f=1&t=3951)
                  I use some devices compatible with VideoGlide drivers. I have at the moment EasyCap, but have tried some others as well.
                  Search this for live capture
                  http://forum.troikatronix.com/cgi-bin/forum/gforum.cgi?t
                  PS: But for really reliable solution I got Matrox MXO2 mini(connecting with ExpressCard). 

                  MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

                  1 Reply Last reply Reply Quote 0
                  • Michel
                    Michel Izzy Guru last edited by

                    We use THESE FireWire Repeaters from Datavideo at our theatre and didn't have any problems up to now, well it's a while since we last used them :-). They also SALE 20m FireWire cables, but they are not cheap.

                    Best
                    Michel

                    Michel Weber | www.filmprojekt.ch | rMBP (2019) i9, 16gig, AMD 5500M 8 GB, OS X 10.15 | located in Winterthur Switzerland.

                    1 Reply Last reply Reply Quote 0
                    • B
                      Bootzilla last edited by

                      dbini, does the dazzle work on a MBP?

                      Just to check, is this the right thing? http://www.maplin.co.uk/dazzle-dvd-recorder-96885
                      Cheers
                      1 Reply Last reply Reply Quote 0
                      • Skulpture
                        Skulpture Izzy Guru last edited by

                        I'd double check what OS it is compatible with too. Mountain Lion still inst that supported; especially not with (dare I say it...) smaller companies.

                        Graham Thorne | www.grahamthorne.co.uk
                        RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                        RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                        RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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                        • dbini
                          dbini last edited by

                          @Bootzilla - that Dazzle looks similar to mine, except mine is all white, with a white cable. there's a few versions, i'm sure the internals are pretty similar, but they come with different software.*

                          i'm running OSX 10.6.8, and to get the Dazzle to work in Isadora, you'll need a VideoGlide driver - that's an extra $29 from http://www.echofx.com/videoglide.html - sorry i don't know about Mountain Lion.
                          videoglide only supports capture at 640x480 - which is fine for tracking, but might not suit your requirements for a 'reasonable quality' it'll do 25 fps for PAL, 29.97 fps for NTSC. it'll output YUV if that's what you like to work in.
                          *apparently, checking the website, videoglide won't capture audio on the DVC-100 - i'm not sure what model that is on the Maplin website.

                          John Collingswood
                          taikabox.com
                          2019 MBPT 2.6GHZ i7 OSX15.3.2 16GB
                          plus an old iMac and assorted Mac Minis for installations

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                          • P
                            PatrickPagano last edited by

                            i would just run a LONG BNC and adapt it to RCA and canopus into IZZY

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

                              Patrick is right -- that's how I've done it in the past, and it works well. You can run a pretty long BNC cable (as long as the cable quality is good) before the signal will degrade appreciably.

                              Best Wishes,
                              Mark

                              Media Artist & Creator of Isadora
                              Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

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                              • Skulpture
                                Skulpture Izzy Guru last edited by

                                +1 I stick to BNC when I can.

                                Plus BNC booster are not that expensive; lots of second hand ones on good old ebay. 

                                Graham Thorne | www.grahamthorne.co.uk
                                RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                                RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                                RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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