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Activity Forums AJA Video Systems basic question

  • basic question

    Posted by Ronny Courtens on October 4, 2005 at 9:11 am

    Hi all,

    I need to capture and edit Betacam SX footage on a dual G5 but have no RAID system available for this job, so capturing uncompressed is not an option. However, I want to keep the final video quality as good as possible.

    The SX deck has SDI out, so I am thinking of getting an io LD to bring the SX footage via FireWire into FCP4.5 using the DVCPRO50 capture settings. Then edit in DVCPRO50 and output back to SX tape with the ioLD. I work in PAL and this G5 system handles DVCPRO50 very well without a RAID.

    Can this be done ? Does anyone have a better idea ?

    G5 dual 2.5, 4 Gigs RAM, nVidia GeForce 8600 GT, 30″ Apple Cinema display,
    250 GB internal SATA 7,200 rpm primary drive + 250 GB WesternDigital internal SATA 7,200 rpm media drive.
    OSX3.9, QT7, Final Cut 4.5 Studio, AE 6.5 Pro

    Best wishes
    Ronny

    Christopher Wright replied 20 years, 7 months ago 3 Members · 5 Replies
  • 5 Replies
  • Lee Berger

    October 4, 2005 at 11:07 am

    It should work as you will be transcoding from SX to SDI in you player and encoding as DVCPro 50 on capture. When you say your system handles DVCPro 50 well, have you captured any? Playing back media is less demanding than capturing and you may be experience dropped frames.

  • Ronny Courtens

    October 4, 2005 at 6:28 pm

    Lee,

    Thank you for the reply. Yes, I have captured DVCPRO50 on this system regularly and until today (touch wood) without any problems. But capturing is always straight from the DVCPRO50 camera or the Panasonic deck through FireWire, using the native codec in FCP. I don’t know if using the AJA will change anything to this, as the io FireWire output is uncompressed. Guess I’ll have to try.

    Best wishes
    Ronny

  • Christopher Wright

    October 4, 2005 at 9:27 pm

    Whoops! ANY Panasonic firewire transfer is compressed. The only way to get into FCP uncompressed is SDI or HDSDI (or the new component HD way with the LH!)!

  • Lee Berger

    October 4, 2005 at 11:07 pm

    I think Ronny is refering to the FireWire connection between Io and the host computer which is uncompressed.

  • Christopher Wright

    October 5, 2005 at 3:13 am

    I hope so, as I just finished working on an HD project shot on the Varicam, and there is a big difference in going in firewire using the DVCHD firewire codec versus true HD/SDI uncompressed.

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