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  • Mysteriously missing Sony BPAV clips when using BlackMagic Video Assist

     Bob Cole updated 3 years, 5 months ago 1 Member · 1 Post
  • Bob Cole

    April 7, 2017 at 6:37 pm

    I use BlackMagic’s Video Assist when shooting chroma key with my EX1R. This gives me ProRes HQ 10-bit files which are quite nice for keying. The VA is automatically triggered whenever I press the EX1R’s Record button.

    This week, when I used PluralEyes to sync up takes, I noticed that the VA recorded several clips which were valid “takes,” where the Sony EX1R did not create a file. The Sony files are sequentially numbered, and there are no missing numbers; the takes jumped from –86 to –87, but there are three VA clips in between. The VA clips are also sequentially numbered, with nothing missing.

    I have the VA clips, so there’s no crisis here. But I would like to know how this could happen.

    Again… once it is set up, I don’t even touch the VA; and the VA only records when you press “Record” on the Sony — but the Sony didn’t record all the takes that the VA did.

    (musical theme from Twilight Zone)

    Bob C

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