[IRCA] WBT's Digital Test - "Is There Hope For A Digital > AM

2013-08-22 Thread Bob Young
The descriptions I read below of AM IBOC describe exactly how WBZ IBOC sounds 
to me: horrible. AM radio sounded great years ago before the current NRSC audio 
mask was implemented.

Bob Young
Millbury, ma
KB1OKL

> 
> Message: 4
> Date: Thu, 22 Aug 2013 10:01:50 -0500
> From: "Stewart, Joseph R" 
> To: "irca@hard-core-dx.com" 
> Subject: Re: [IRCA] WBT's Digital Test - "Is There Hope For A Digital
>   AM
> Message-ID:
>   <96662f42b7fac9489c72164de62ed9881180bfe...@evh2-ms1.edubear.net>
> Content-Type: text/plain; charset="us-ascii"
> 
> Re Steve Ponder's post about the Radio Insight article
> (http://radioinsight.com/blog/headlines/84743/is-there-hope-for-a-digital-am-band/)...
> Has anybody listened to the audio clip of the test?  The WBT signal goes to 
> digital near the end of the clip, starting with the CBS top-of-hour "bong" 
> and into the newscast.  Yes, the sudden drop to near-zero noise is 
> impressive... but the actual SOUND quality is gawd-awful, like an especially 
> bad webstream.  Sure, it's got more "high end" than the analog signal--but 
> it's gargly, hashy, artifact-ridden, and nearly unlistenable.  The analog, 
> while bandwidth-limited, is MUCH more pleasant to listen to!  "FM-quality" my 
> foot (and various other extremities)!
> 
> Randy Stewart
> Arts Producer
> KSMU
> 901 S. National
> Springfield MO 65897
> 
> 
> 
> 
> 
> 
> 
> 
> ----------
> 
> Message: 5
> Date: Thu, 22 Aug 2013 08:28:05 -0700
> From: "Rick Lewis" 
> To: "Mailing list for the International Radio Club of America"
>   
> Subject: Re: [IRCA] WBT's Digital Test - "Is There Hope For A Digital
>   AM
> Message-ID: 
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Randy,
> That's what I thought, too.
> Swishy, very artificial-sounding. You know what I do with a web stream that 
> sounds like that? I ignore it and go somewhere else.
> And if that's what IBOC-only AM sounds like, that's exactly what I'd do.
> Although I've heard very few, so far I haven't heard, live or recorded, any 
> AM IBOC that's pleasing to my ears.
> I don't like the audio artifacts. I like hearing more high frequencies, but 
> if they come with artifacts, I'd rather not have the highs.
> --
> Rick 
> 
> 

  
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[IRCA] WBT's Digital Test - "Is There Hope For A Digital AM Band?"

2013-08-21 Thread Stephen H. Ponder
Article from Radio Insight ...

http://radioinsight.com/blog/headlines/84743/is-there-hope-for-a-digital-am-band/

73 & Good DX,

Steve Ponder, N5WBI
Houston, TX
_
Sent from my Kindle Fire HD 8.9

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Re: [IRCA] WBT's Digital Test - "Is There Hope For A Digital AM

2013-08-22 Thread Stewart, Joseph R
Re Steve Ponder's post about the Radio Insight article
(http://radioinsight.com/blog/headlines/84743/is-there-hope-for-a-digital-am-band/)...
Has anybody listened to the audio clip of the test?  The WBT signal goes to 
digital near the end of the clip, starting with the CBS top-of-hour "bong" and 
into the newscast.  Yes, the sudden drop to near-zero noise is impressive... 
but the actual SOUND quality is gawd-awful, like an especially bad webstream.  
Sure, it's got more "high end" than the analog signal--but it's gargly, hashy, 
artifact-ridden, and nearly unlistenable.  The analog, while bandwidth-limited, 
is MUCH more pleasant to listen to!  "FM-quality" my foot (and various other 
extremities)!

Randy Stewart
Arts Producer
KSMU
901 S. National
Springfield MO 65897






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Re: [IRCA] WBT's Digital Test - "Is There Hope For A Digital AM

2013-08-22 Thread Rick Lewis
Randy,
That's what I thought, too.
Swishy, very artificial-sounding. You know what I do with a web stream that 
sounds like that? I ignore it and go somewhere else.
And if that's what IBOC-only AM sounds like, that's exactly what I'd do.
Although I've heard very few, so far I haven't heard, live or recorded, any 
AM IBOC that's pleasing to my ears.
I don't like the audio artifacts. I like hearing more high frequencies, but 
if they come with artifacts, I'd rather not have the highs.
--
Rick 

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Re: [IRCA] WBT's Digital Test - "Is There Hope For A Digital AM

2013-08-22 Thread Mike Sanburn
Perhaps somebody should pass this information along to the folks at WBT.   
--Mike Sanburn

> From: randystew...@missouristate.edu
> To: irca@hard-core-dx.com
> Date: Thu, 22 Aug 2013 10:01:50 -0500
> Subject: Re: [IRCA] WBT's Digital Test - "Is There Hope For A Digital AM
> 
> Re Steve Ponder's post about the Radio Insight article
> (http://radioinsight.com/blog/headlines/84743/is-there-hope-for-a-digital-am-band/)...
> Has anybody listened to the audio clip of the test?  The WBT signal goes to 
> digital near the end of the clip, starting with the CBS top-of-hour "bong" 
> and into the newscast.  Yes, the sudden drop to near-zero noise is 
> impressive... but the actual SOUND quality is gawd-awful, like an especially 
> bad webstream.  Sure, it's got more "high end" than the analog signal--but 
> it's gargly, hashy, artifact-ridden, and nearly unlistenable.  The analog, 
> while bandwidth-limited, is MUCH more pleasant to listen to!  "FM-quality" my 
> foot (and various other extremities)!
> 
> Randy Stewart
> Arts Producer
> KSMU
> 901 S. National
> Springfield MO 65897
> 
> 
> 
> 
> 
> 
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Re: [IRCA] WBT's Digital Test - "Is There Hope For A Digital AM Band?"

2013-08-22 Thread Russ Edmunds


This particular test only hits one aspect. It doesn't give any indication as to 
what would occur with co-channel digital stations or adjacent channels.

When I look at the number of AM stations vs TV, and the number of small 
stations of AM; when I look at the number of FM stations vs the number
which have implemented the IBOC hybrid; and when I look at the much smaller 
proportion of AM's which have gone that route, I just can't see full digital
on AM.


Russ Edmunds
15 mi NNW of Philadelphia 
Grid FN20id







 From: Stephen H. Ponder 
To: ABDX ; "ultralightdx@yahoogroups com" 
; "irca@hard-core-dx com"  
Sent: Wednesday, August 21, 2013 10:08 PM
Subject: [IRCA] WBT's Digital Test - "Is There Hope For A Digital AM Band?"
 

Article from Radio Insight ...

http://radioinsight.com/blog/headlines/84743/is-there-hope-for-a-digital-am-band/

73 & Good DX,

Steve Ponder, N5WBI
Houston, TX
_
Sent from my Kindle Fire HD 8.9

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