[BC] WCBS dumps IBOC, returns to "High Definition" AM

[Bailey, Scott]

I just bought a 2003 Ford Explorer, and I was shocked that it had AM
Stereo on it, and it was really wideband. Excellent audio response, and
mono AMs sound almost the same as the FMs!  The Delco Radio in my 2005
Chevy Monte Carlo is awful on AM.  Bandwidth down to nearly 4 KC!
"Lets ban all DELCO AM Radios!"

If the auto & portable radio manufactures would listen to us, plus the
FCC, we COULD bring back wideband AM, and it would save AM for the time
being. You would see more music stations like mine pop back up on the am
dial.

Scott

-----Original Message-----
From: broadcast-bounces at radiolists.net
[mailto:broadcast-bounces at radiolists.net] On Behalf Of Stevan A. White
Sent: Thursday, June 29, 2006 12:16 PM
To: 'Broadcasters' Mailing List'
Subject: RE: [BC] WCBS dumps IBOC, returns to "High Definition" AM

Yep, me too!

Best Regards,
Steve White, W5SAW
SW Commercial Electronics


-----Original Message-----
From: Steve [mailto:shnewman at alaweb.com] 
Sent: Wednesday, June 28, 2006 8:20 PM
To: Broadcasters' Mailing List
Subject: Re: [BC] WCBS dumps IBOC, returns to "High Definition" AM


I think it's a good argument for bringing back wideband radios and 
forgetting digital on the AM band. OK..now crucify me. :)

Steve Newman
Steve Walker Productions
Opp, AL  36467

----- Original Message ----- 
From: "Bill Harms" <wharms at philcobill.com>
To: <broadcast at radiolists.net>
Sent: Wednesday, June 28, 2006 8:11 PM
Subject: Re: [BC] WCBS dumps IBOC, returns to "High Definition" AM


> Is this a good argument for skipping the analog-digital stage and 
> going straight to the digital only stage?
>
> Bill Harms
> Elkirdge, Maryland
>
> On 28 Jun 2006 at 16:09, ] wrote:
>
>> After less than a week of transmitting the IBOC buzz, NYC's 880 WCBS 
>> has returned to "High Definition" analog AM with crisp, clear 10 kHz 
>> audio. A possible reason for this may be the numerous complaints they

>> received due to the 8-1/2 second delay the IBOC exciter added to 
>> their audio, which made their Yankees play-by-play out of synch for 
>> people listening at the game or while watching it on TV.  I first 
>> noticed the IBOC hash generator was off during a Yankees game today, 
>> but now during normal "Newsradio" programming it is still off, and 
>> their audio sounds a lot better too.
>>
>> When they had the IBOC on, their analog audio was still pretty crisp 
>> (they had it in 8 kHz bandwidth mode) but it had a strange kind of 
>> clipping distortion which made the announcers sound like they were 
>> holding their nose while they spoke, and for an all-news format that 
>> can get rather annoying.  There was also some rather obvious slack in

>> the AGC; when jumping from one programming element to the next, the 
>> audio would often start out very quiet and gradually ramp up in 
>> level.  With their old
>> processing (Optimod 9100?) now back in service, there is still a
little
>> gain-riding in these instances but it is a lot smoother and all of
that
>> nasty distortion is gone.  And of course on a wideband receiver there
is
>> no mistaking that beautiful full-bandwidth audio!
>>
>>
>>
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>
>
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