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Old 2007-06-23, 10:45 PM
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Recording/Mastering Engineer
 
Join Date: Nov 2006
Location: Victoria, BC, Canada
Audio - Pre-FM Re: 16 KHz stripe in Master Open Reel Recording

I recently transferred some King Biscuit Flower Hour vinyls (ZZ Top Passaic NJ 1980) that have a 16000 Hz stripe in them, too. I don't get that for any other transfers I've done, from vinyl or tape or anything. It dissappears during silence at end of sides, but is embedded in the music. I first thought it was interference (like a tv being on in the next room or something, but evidently not.
Since these albums were pressed specifically for radio broadcast, I'm thinking DIR Broadcasting put the signal in to the vinyl to carry over the radio better.
So, it doesn't mean that having a 16kHz stripe means it's POST-fm necessarily. My pre-fm vinyl source is what they played over fm. It's obviously been prepared for radio airplay when it was mastered and pressed. It's not just a mark of the radio station's transmitter...
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