Linked by Thom Holwerda on Wed 25th Aug 2010 22:19 UTC
Multimedia, AV A couple of days ago we talked about how the RIAA and NAB are planning on asking US Congress to mandate FM radio chips inside every cell phone. This plan was met with some ridicule, so the NAB decided to write a blog post addressing the critics. Most of the post is overshadowed by an overdose of America's favourite national pastime: WE ARE ALL GOING TO DIE. 9/11!
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RE[2]: Why?
by Tuishimi on Thu 26th Aug 2010 02:58 UTC in reply to "RE: Why?"
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Most popular air raid and warning sirens today produce a sound level of 127 dB at 100 feet and provide a typical one-mile radius coverage area. At 138 dB the Chrysler Air Raid Siren is approximately two times as loud and will provide a two and one-half mile radius coverage area with the same sound level at the distant edge. The most powerful siren available for purchase today (American Signal's Tempestâ„¢ T-135-ACâ„¢) produces a sound level of 135 dB at 100 feet. The 3dB higher output of the Chrysler Air Raid Siren, at 138 dB, represents twice as much sound energy output.

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