Has anyone else noticed WBZ's unlistenable signal

Garrett Wollman wollman@khavrinen.lcs.mit.edu
Tue Jan 18 16:22:14 EST 2005


<<On Tue, 18 Jan 2005 16:17:13 -0500, "gic" <gary@garysicecream.com> 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.

-GAWollman



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