[BC] Balancing processing from analog to digital

Dana Puopolo dpuopolo
Fri Dec 22 21:21:55 CST 2006


This was actually allowed back in the '70's. U.S. FM stations could use Dolby
B with 25 us pre-emphasis.  

-D

------ Original Message ------
Received: Fri, 22 Dec 2006 10:11:47 PM EST
From: "Glen Kippel" <glen.kippel at gmail.com>
To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
Subject: Re: [BC] Balancing processing from analog to digital

On 12/22/06, Cowboy <curt at spam-o-matic.net> wrote:
It seems that putting the processor in the listener's radio would be ideal,
but it wouldn't.
How many listeners would care, and how many broadcasters would lament
that they can't control what they now do ?
It might appeal to a few purists, but beyond that, I don't see it having
any practicality at all.
------------------

Some years ago (I forgot how many) I suggested using dbx noise-reduction
processing, with the encoder at the transmitter and a decoder chip in the
receivers, and the station could back of on their processing
proportionately.  Non-dbx-equipped receivers would just notice a few dB more
compression, and those appropriately chipped would achieve some improvement
in S/N.
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