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  • Posted by Jack Hammand on September 24, 2009 at 8:33 pm

    I would like to start this project over…. I must be doing something wrong in FCP6. I have a MP4 file from a Flip Camera of a event….. which is video and audio. I also have a Audio CD with the same event recorded as AIFF. Here is the problem… when I put both into FCP6 the Audio AIFF from the CD is roughly 33% faster than the audio and video from the MP4 of the Flip camera. I want to use the video MP4 with the Audio AIFF…. but the 33 % faster speed of the audio AIFF will not match up with the slower video. How can I stretch this audio AIFF to match the video (and audio) of the MP4? ( I tried to use Soundtrack Pro but was unsuccessful)

    Ralph Atkinson replied 16 years, 10 months ago 3 Members · 4 Replies
  • 4 Replies
  • Steve Eisen

    September 24, 2009 at 10:20 pm

    Get yourself MPEG Streamclip (free download) and convert the mp4 file into an editable codec (ProRes, DV, etc.).

    Make sure your aif file is 48k 16 bit.

    Steve Eisen
    Eisen Video Productions
    Board of Directors
    Chicago Final Cut Pro Users Group

  • Ralph Atkinson

    September 25, 2009 at 12:54 am

    A standard audio CD is 44.1k/16 bit. If you have just ripped the audio from the CD using something like Itunes it will be an AIFF 44.1k.

    Either re-rip your CD as a 48K file using something like Cubase or Logic or convert your file to 48k before dropping it into your project. To convert it, bring the audio file into Soundtrack Pro, and choose process>resample>48000. Then save the file making sure you select sample rate 48000.

    Ralph

  • Steve Eisen

    September 25, 2009 at 1:01 am

    iTunes, Compressor or QuickTime Pro can do it in one simple step.

    Steve Eisen
    Eisen Video Productions
    Board of Directors
    Chicago Final Cut Pro Users Group

  • Ralph Atkinson

    September 25, 2009 at 1:24 am

    Thanks,
    Thats good to know, much quicker.

    Ralph

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