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Activity Forums AJA Video Systems HDV to HD uncompress – a question

  • HDV to HD uncompress – a question

    Posted by Mladen Erjavec on September 9, 2005 at 7:40 pm

    A question for the more experienced:

    Right now, I’m using regular Firewire capture to get HDV footage into my G5 and then, using FCP’s Media Manager, converting it all to HD uncompressed. Is this any different (in terms of quality) to using HDV-to-HD SDI converter and capturing via KONA 2 ?

    In both cases it is just a digital conversion, right? I guess my question is: do these converters (miranda, HD Connect LE) add anything to the signal, or their use is only to control the deck for you?

    Mladen Erjavec replied 20 years, 8 months ago 2 Members · 5 Replies
  • 5 Replies
  • Gary Adcock

    September 9, 2005 at 8:51 pm

    [Mladen] “I’m using regular Firewire capture to get HDV footage into my G5 and then, using FCP’s Media Manager, converting it all to HD uncompressed. Is this any different (in terms of quality) to using HDV-to-HD SDI converter and capturing via KONA 2 ? “

    yes, there is a very, very big difference, IMHO.
    I do not believe that the software up-conversion offers the user nothing but the same compression problems they already have compounded by software. These conversions are best done by hardware. all of the HDV camera offer Component video out. that is the best you are going to get out of the camera — why not use it?

    I know that FW captured HDV looks like the best thing you have ever seen, and I agree that for the price the image in those cameras is amazing, but there is a reason to handle HDV with a little more respect so it will able to compete against DVCProHD.

    From IBC

    Gary Adcock
    Studio37
    HD and Film Consultation
    Chicago, IL

  • Mladen Erjavec

    September 10, 2005 at 6:16 am

    [gary adcock] “These conversions are best done by hardware. all of the HDV camera offer Component video out. that is the best you are going to get out of the camera — why not use it? “

    I’ve just got AJA HD10a just for that purpose. But am I right in assuming that I can’t transfer the timecode together with the video using component? That’s why I’m looking at hdv-to-hd sdi converters.

  • Gary Adcock

    September 10, 2005 at 8:48 am

    [Mladen] “‘ve just got AJA HD10a just for that purpose. But am I right in assuming that I can’t transfer the timecode together with the video using component? That’s why I’m looking at hdv-to-hd sdi converters. “

    FCP does not see TC over SDI , so you would need some sort of Serial connection (or FW) for Deck control.
    Addenda makes an SDI to RS422 converter that I use on set for live capture of HDSDI.

    From IBC

    Gary Adcock
    Studio37
    HD and Film Consultation
    Chicago, IL

  • Gary Adcock

    September 10, 2005 at 8:48 am

    [Mladen] “‘ve just got AJA HD10a just for that purpose. But am I right in assuming that I can’t transfer the timecode together with the video using component? That’s why I’m looking at hdv-to-hd sdi converters. “

    FCP does not see TC over SDI , so you would need some sort of Serial connection (or FW) for Deck control.
    Addenda makes an SDI to RS422 converter that I use on set for live capture of HDSDI.

    From IBC

    Gary Adcock
    Studio37
    HD and Film Consultation
    Chicago, IL

  • Mladen Erjavec

    September 10, 2005 at 8:57 am

    [gary adcock] “FCP does not see TC over SDI , so you would need some sort of Serial connection (or FW) for Deck control.”

    Funny, now I am confused even more

    Both Convergent ( https://convergent-design.com/CD_Products_HDConnectLE.htm ) and Miranda ( www. miranda.com ) claim that HDV gets converted to HD SDI WITH TIMECODE…. Is this FCP issue you’re talking about?

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