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  #67  
Old 2007-05-12, 06:28 PM
Tubular
 
Re: Are mp3 master recordings allowed @TTD???

Even cassettes recorded on a lower end deck in which the spectrum cuts off at 15, 16 or 17 kHz aren't too bad (except maybe for lack of lower bass response) because once people get past their teenage years they can't hear above 16 or 17kHz anyway. I forget what country it was, maybe England, but this building or shopping mall used to have a big problem with rowdy teens hanging out around the outside. So they installed a device that emitted high frequency noise. Anybody above the age of 18 or 19 coudn't hear it, but all the younger teens couldn't stand the noise and stopped hanging out there. Problem solved.
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