Has anyone else noticed WBZ's unlistenable signal
Tue Jan 18 16:22:14 EST 2005
<<On Tue, 18 Jan 2005 16:17:13 -0500, "gic" <firstname.lastname@example.org> said:
> During the day it is VERY noticeable when WBZ has their IBOC carrier turned
> on - an annoying rushing sound is under all their audio. How can they think
> that this is an improvement to their signal!?!
The IBOC sidebands are transmitted in quadrature, so it's invisible to
envelope detectors. Only people with synchronous detectors hear it.
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