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Activity Forums AJA Video Systems Uprez’ing from 720p to 1080i via software

  • Jeremy Garchow

    April 4, 2007 at 3:53 am

    [Clay Walker] “I forgot to point out that the camera operator is also an extremely well-established professional editor with several decades of experience as well. He doesn’t offer his opinion lightly or carelessly. I just don’t agree with it.”

    Hey, I’m not knocking the DP, but all the experience in the world is not going to help Compressor move any faster. The suggestion is wrong, no offense. It’s up to you to convince the team that there’s alternative ways to do this that will allow the job to get done in time.

    [Clay Walker] “I still would be very interested to see if anyone can/will state that you can do a quality up-convert through software?”

    I think we established that this will take too long. You would still be better off laying to 720p, capturing to 1080i and then compressing that to h264. I really don’t think the h264 compression is necessary. Laying off to tape is going to suit you just fine.

    And sorry if I seem gruff, but more often than not, I ma in your shoes Clay and it tans my hide when people tell me how to do my job, when they get to go to sleep at night while I’m up watching compressor. I’m trying to make it so everyone can get some sleep. The guy running the doremi is the guy you need to talk to, and that’s where you will find your answer. If you suggest laying off to tape, I bet he or she will say, “yeah, that’s how we always do it”.

    Jeremy

  • Walter Biscardi

    April 4, 2007 at 11:20 am

    [JeremyG] “Hey, I’m not knocking the DP, but all the experience in the world is not going to help Compressor move any faster. The suggestion is wrong, no offense. It’s up to you to convince the team that there’s alternative ways to do this that will allow the job to get done in time.”

    Agree 100%. Don’t care how good the cameraman is, how many years of experience he/she has or even how many years of editing experience he/she has. If you’re the editor on this job then you dictate how Post is going to work, especially with something as important and intensive as HD cross conversion.

    Walter Biscardi, Jr.
    https://www.biscardicreative.com
    HD Editorial & Animation for Food Network’s “Good Eats”
    HD Editorial for “Assignment Earth”

    Read my blog! https://blogs.creativecow.net/WalterBiscardi

  • Gary Adcock

    April 4, 2007 at 2:52 pm

    [Clay Walker] “I still would be very interested to see if anyone can/will state that you can do a quality upconvert through software? If so, would you consider it almost as good as a hardware upconvert? Better? No where close?…”

    I will

    I yet to find any software upconversion that rivals the hardwarebased conversion of the same file. The closest I have ever seen was from Shake.

    My question is for your cameraman – why did they not shoot 1080 in the HVX to start with

    “I forgot to point out that the camera operator is also an extremely well-established professional editor with several decades of experience as well. He doesn’t offer his opinion lightly or carelessly. I just don’t agree with it.”

    Well point him to this thread to let him know that none of us agree with it either.

    ga

    gary adcock
    Studio37
    HD & Film Consultation
    Post and Production Workflows

  • Walter Biscardi

    April 4, 2007 at 3:21 pm

    [gary adcock]
    My question is for your cameraman – why did they not shoot 1080 in the HVX to start with”

    Just a wild guess here, but I’m thinking the camera person doesn’t have enough P2 cards or Firestores to shoot all the material they need so they’re shooting 720 to save space. If you know the final output is 1080i, then shoot 1080i.

    Sounds like the camera person is just being exceptionally lazy and passing off a lot of unnecessary work to Clay.

    Walter Biscardi, Jr.
    https://www.biscardicreative.com
    HD Editorial & Animation for Food Network’s “Good Eats”
    HD Editorial for “Assignment Earth”

    Read my blog! https://blogs.creativecow.net/WalterBiscardi

  • Gary Adcock

    April 4, 2007 at 3:28 pm

    [walter biscardi] “Sounds like the camera person is just being exceptionally lazy and passing off a lot of unnecessary work”

    Sounds like a camera person to me …..

    gary adcock
    Studio37
    HD & Film Consultation
    Post and Production Workflows

  • Clay Walker

    April 4, 2007 at 3:43 pm

    [gary adcock] “My question is for your cameraman – why did they not shoot 1080 in the HVX to start with”

    Hi Gary,

    Thanks for your responses. This is a good question and I think I can somewhat answer it. The various pieces were shot all over the world. We learned that the playback format would be 1080i after one of the pieces had been shot and the crew was on the road / out of the country.

    Why the switch wasn’t made to 1080i at that point, I can’t speak to… I would imagine that staying consistent and camera media storage were probably an issue.

  • Jeremy Garchow

    April 4, 2007 at 4:13 pm

    [Clay Walker] “I would imagine that staying consistent and camera media storage were probably an issue.”

    4 minutes of 1080 footage vs 20 minutes to 720p24N footage on an 8 gig P2 card makes the decision pretty easy especially whilst traveling around the world.

  • Mark Maness

    April 4, 2007 at 4:52 pm

    [JeremyG] “4 minutes of 1080 footage vs 20 minutes to 720p24N footage on an 8 gig P2 card makes the decision pretty easy especially whilst traveling around the world.”

    Very good point!

    We made that judgement call on a feature film for that very reason…

    _______________________________

    Wayne Carey
    Schazam Productions
    http://www.schazamproductions.com

  • Mark Maness

    April 4, 2007 at 4:54 pm

    Keep in mind…. Anytime you convert frame rates, you are talking lots and lots of time to compress… Especially H.264.

    _______________________________

    Wayne Carey
    Schazam Productions
    http://www.schazamproductions.com

  • Walter Biscardi

    April 4, 2007 at 5:05 pm

    [JeremyG] “4 minutes of 1080 footage vs 20 minutes to 720p24N footage on an 8 gig P2 card makes the decision pretty easy especially whilst traveling around the world.”

    If you’re traveling that much, that justifies purchasing a Firestore.

    Walter Biscardi, Jr.
    https://www.biscardicreative.com
    HD Editorial & Animation for Food Network’s “Good Eats”
    HD Editorial for “Assignment Earth”

    Read my blog! https://blogs.creativecow.net/WalterBiscardi

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