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Weird sound sync issue
So I shot a band in a studio recently. About 7 shots per song on two Black Magic cameras. During the shoot the band simply played along to the CD recording of each song, and they were pretty accurate with it.
Now I’m here in post, all the shots sync to each other really well but when I try and get it to sync back to the CD recording, it drifts. I thought it was that old 44100 vs 48000 Hz issue, so I re-ripped the CD in 48000 Hz, but still no joy.
What am I doing wrong here? Am I misinterpreting how the Hz thing works? The in-camera scratch tracks were recorded at 48000 Hz. Might the CD player we used have been playing it back at a fractionally different speed?