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Thread: Frames per second - audio conundrum!

  1. Default Frames per second - audio conundrum!

    Not a software probem per se, but I wasn't sure where else to post this.

    I'm a bit confused on this one. Been thinking about it too long, and now my brain is muddled.

    If you have an audio sequence that runs from the timecode reference >, then that sequence is 2 minutes and 11 seconds, minus 3 frames.

    So, what is the EXACT length of this audio section? By my calculations, as there are 25 frames per second (this is video, not film), those 3 frames equate to 0.12 seconds. Is that right?

    So the exact length of this clip is 2 mins 10.88 seconds. Is that right, or am I all wrong here?

  2. #2
    Join Date
    Feb 2004
    Bracknell, Berkshire, UK


    Assuming it is indeed 25fps on your captured clip and your maths is correct then that is the length of the audio. That's how I would calculate it.

    But why is this an issue? What underlying issue or problem are you facing that has prompted this question?

  3. Default

    It's purely for a music cue sheet we are having to submit for a film which requests exact length of music clips used. It's standard practice.

    I have subsequently discovered the need to keep getting out the calculator was unnecessary though. It is in fact standard practice to just give the whole min/sec value, and then the frames over that that comprise less than a second. So my example before would be written 2 mins 10 secs 22 frames.

    So if anyone ever has this problem, that's what you do!

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