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Old 30-04-2007, 10:09
td1983
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Has anyone ever noticed on both video and audio tape that sometimes you can faintly hear the sound of what's about to come, just before you hear the sound in question? For example, you might be playing a cassette tape, and then you can faintly hear the sound of what song about to come next, then you hear the song properly. What's its correct term, and why does this occur?
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Old 30-04-2007, 10:17
Chris Simon
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There is indeed a term for it, punchthrough or printthrough or something like that. It's because when the magnetic tape is wound on a spool, layers that are pressed together can faintly magnetise each other so you get vague echoes of the track a few inches away from where it really is.
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Old 30-04-2007, 10:20
Chris Simon
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Ah yes.

http://en.wikipedia.org/wiki/Print-through
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Old 30-04-2007, 16:27
td1983
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Thanks! Took me 15 years to ask that question (from when I first came across it on my tape recorder)! At last, I know!

Last edited by td1983 : 30-04-2007 at 16:29.
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