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Activity Forums Adobe Premiere Pro Audio drifting with a constant frame rate?

  • Audio drifting with a constant frame rate?

    Posted by Laddie Mawery on April 7, 2014 at 7:51 pm

    I was hoping to move up from using Sony Vegas to the Adobe products, but I’ve run into some issues. The only main issue I really have is that no matter how I import a file, they either have an audio drifting issue or some sort of color distortion. I’ve never had any problems like this with Vegas, and I would really like to use the Adobe products for ease of use between Premiere and After Effects.

    The files I’m using, for the most part, are pretty big. Most are around 22GB with a length of around an hour to two hours(longer than that it splits into a separate file). I have shorter recordings with the same software and even some with my Canon T2i. For the most part the shorter files seem to work fine and the ones coming from my camera always work.

    Here’s the info from one of the files that has the drifting issue. It’s recorded from RECentral by Avermedia onto a SSD and then moved onto an external drive.

    Video:
    Length 1:42:13
    Frame Width 1920
    Frame Length 1080
    Date rate 55770kbps
    Total bitrate 56020kbps
    Frame Rate 29frames/second

    Audio:
    Bit rate 249kbps
    Channels 2(stereo)
    Audio sample rate 48kHz

    I set the sequence settings to match the video file before I import but it doesn’t seem to make a difference.

    Laddie Mawery replied 12 years ago 2 Members · 3 Replies
  • 3 Replies
  • Bala Chandran

    April 8, 2014 at 3:13 am

    Did you try first importing the file and then dragging it to “New Item” to create a timeline that will create one matching the footage exactly?

  • Laddie Mawery

    April 8, 2014 at 3:42 am

    I just tried it again after clearing the media cache and the same thing happens. It worked fine with files similar to the ones I’m using now back in early February. Since then I’ve only upgraded a few parts, which should still run the program just fine.

    Currently this is what’s in my computer
    ASRock Z77 Extreme 4
    G. Skill 8gb RAM
    Gigabyte GTX 770
    i7 3770k

  • Laddie Mawery

    April 9, 2014 at 4:37 pm

    I’m still having issues with this if anyone has any ideas on what may be causing the problem. At some points I’m also seeing some color distortion also.

    Edit: After looking through some posts on another forum, my footage is actually captured with a variable frame rate. Is there any way at all to make these files work in Premiere without using a program like HandBrake to convert it to a constant frame rate?

    I still don’t understand how I was able to import footage captured with the same bitrate and frame rate a few months ago and not having it work now.

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