posted by [identity profile] bugshaw.livejournal.com at 09:56am on 18/03/2008
I couldn't hear the 22.4kHz file at all.

Trying this on my Windows/IE machine I notice the tones get a lot quieter at 14.1kHz. If I turn the volume up I can still hear something annoying, but the pitch doesn't rise as you would expect from the frequency.

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