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Activity Forums Adobe Premiere Pro H.264 transcode process on a PC

  • H.264 transcode process on a PC

    Posted by Alex Campbell on December 15, 2011 at 9:24 pm

    I know that this has been beaten to death, but I have not really figured out a resolution.
    I have been editing 1080p h.264 in PP5.5 and it is a real bear on my system (overclocked i7 with 16gb RAM.) I am wondering if any of the codecs that are built into adobe media encoder would be worth using for transcoding into an intermediate codec?
    I have tried the Avid codec / MPEG streamclip route and not been able to make it work. Is there any suggestions OTHER than buying neoscene?

    Thanks

    Alex Campbell replied 14 years, 4 months ago 3 Members · 3 Replies
  • 3 Replies
  • Steve Brame

    December 16, 2011 at 12:28 am

    Many like to use the Avid DNxHD codec as an intermediate. The Avid codecs are a free download, and will show up under the Quicktime format.

    Having said that, don’t count Cineform out. It’s a wonderful codec for editing. Be careful about Neoscene. It support a very specific range of cameras, mainly ‘prosumer’ ones, and can’t process the files from some pro cameras, like our Panasonic HMC-150. Found that out the hard way, and then had to then purchase Neo.

    Steve Brame
    creative illusions Productions

  • Jeff Pulera

    December 16, 2011 at 3:08 pm

    Hi Alex,

    When you say the H.264 clips are giving you trouble, how do you mean? Not playing back smoothly? If you don’t have Mercury Playback GPU acceleration enabled, that could be part of the issue. Do you have an Nvidia card installed? Can make a big difference

    Jeff Pulera
    Safe Harbor

  • Alex Campbell

    December 19, 2011 at 10:56 pm

    I am using an Nvidia card with MPE enabled, have an overclocked i7 and 16gb of RAM. On a timeline with multiple layers and effects, smooth playback is not happening.
    1080P h.264 is just really not easy on the machine. When I render the timeline, my CPU monitor will show 8 cores at 80-100% and sometimes up to 16gb RAM in use. This is not the case when I am editing with something like an HDV at 1080P.

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