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Forums Apple Final Cut Pro Legacy FCP and Decklink HD Pro ‘edit-to-tape’ audio problem

  • FCP and Decklink HD Pro ‘edit-to-tape’ audio problem

  • Michael Buday

    July 30, 2007 at 6:48 pm

    Hopefully a Decklink guru may know what’s going on here:

    Trying to assemble edit to a DVW-A500 via SDI and embedded audio. After recording, picture looks fine, but the audio has a ‘gritty’ texture when playing back (also via SDI embedded). Sounds almost like mis-matched sample-rates (media is uncompressed 10-bit NTSC, 16bit, 48Khz audio.

    However, if use the “print-to-tape” function via the same signal path, everything sounds great. Huh???

    Anyone experienced this whacky behavior before?

    FCP 5.14
    Decklink 6.3 drivers
    NTSC reference via Tektronix SG


    Michael Buday

  • John Christie

    July 30, 2007 at 7:49 pm

    It’s a deck sync issue. Along with the audio problem, you’ll probably notice that the error condition lights on the deck are red. If you have both the input and output connected between the deck and the decklink card, you’ll have this problem. Disconnect your output from the deck to the card while recording.


    John Christie

    Keyframes Editing

  • Michael Buday

    July 30, 2007 at 8:07 pm

    Thanks John, I’ll try that. An answer I received on the FCP-L suggested switching the deck’s OUTPUT REF to INPUT during edit-to-tape, which also worked.

    Michael Buday

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