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Old February 22nd 07, 06:24 PM posted to rec.radio.shortwave
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Default HD Sync Detector

I swear my HD/IBOC receiver uses a Sync Detector while tuning AM MW BCB.

Does anyone concur or know HD receiver design characteristics?


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Old February 22nd 07, 08:10 PM posted to rec.radio.shortwave
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Default HD Sync Detector

Gueriteº schrieb:

I swear my HD/IBOC receiver uses a Sync Detector while tuning AM MW BCB.

Does anyone concur or know HD receiver design characteristics?


IF DSP seems pretty much a necessity for AM IBOC, and at least
pseudosynch detection appears to be fairly standard with DSP rigs.
(Whatever "pseudosynchronous" means exactly in this context. There are
quite a number of fairly different "synchronous detectors" to begin
with, and e.g. the Sony CXA1376 internal one and the AR7030's are hardly
comparable IMO, save for the fact that a product detector is involved.)

Another ironic footnote: It seems that RDS support is standard in FM
IBOC receivers, while otherwise it is not that common among receivers
sold outside Europe.

BTW, those who are already using DReaM for DRM decoding should try the
USB/LSB modes.

Stephan
--
Home: http://stephan.win31.de/
Queueing Theory à la Murphy: The folks in front of you take an
eternity, you're through in a second...
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Old February 23rd 07, 01:39 AM posted to rec.radio.shortwave
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Default HD Sync Detector

On Feb 22, 3:24?pm, "Guerite?" wrote:
I swear my HD/IBOC receiver uses a Sync Detector while tuning AM MW BCB.

Does anyone concur or know HD receiver design characteristics?


Well, besides roof-top mounted dipole antennas, and loop-antennas,
your ****ing HD Radio needs something to pull in and stabilze those
crappy repetitive HD signals.


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Old February 23rd 07, 06:48 PM posted to rec.radio.shortwave
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Default HD Sync Detector


wrote in message
oups.com...
On Feb 22, 3:24?pm, "Guerite?" wrote:
I swear my HD/IBOC receiver uses a Sync Detector while tuning AM MW BCB.

Does anyone concur or know HD receiver design characteristics?


Well, besides roof-top mounted dipole antennas, and loop-antennas,
your ****ing HD Radio needs something to pull in and stabilze those
crappy repetitive HD signals.


Missed your appointment with your ANALyst again?


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Old February 23rd 07, 11:02 PM posted to rec.radio.shortwave
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Default HD Sync Detector

On Feb 23, 3:48?pm, "Guerite?" wrote:
wrote in message

oups.com...

On Feb 22, 3:24?pm, "Guerite?" wrote:
I swear my HD/IBOC receiver uses a Sync Detector while tuning AM MW BCB.


Does anyone concur or know HD receiver design characteristics?


Well, besides roof-top mounted dipole antennas, and loop-antennas,
your ****ing HD Radio needs something to pull in and stabilze those
crappy repetitive HD signals.


Missed your appointment with your ANALyst again?


"In-Stat: Digital Radio Set to Take Off"

"In 2006, 73 percent of respondents to an In-Stat U.S. consumer survey
were aware of HD Radio on some level."

http://beradio.com/eyeoniboc/instat-digital-radio-set/

"Sirius, XM, and HD: Consumer interest reality check" (Alexaholic)

"While interest in satellite radio is diminishing, interest in HD
shows no signs of a pulse."

http://www.hear2.com/2007/02/sirius_....html#comments

This just confirms, the lack of interest for HD Radio, on Google
Trends:

http://www.google.com/trends?q=%22hd... =all&date=all

For now, HD Radio/IBOC is dead.



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Old February 24th 07, 02:32 AM posted to rec.radio.shortwave
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AGENDA

"I have been researching/posting on this subject for a year, and have a
zillion links set up, and know exactly how and where to find information, to
counter little punks like you and David Edurado"

-- amazing how much time you have wasted in your old age --

"A recent Arbitron/Edison Media Research study found that more than
one-third of Americans are interested in HD Radio, but nearly half said

they
would only purchase an HD Radio if it cost $100 or less."

http://www.hdradio.com

RW: What are your thoughts about whether or how AM should go digital at
night?

Mathews: I think there are problematic issues. The long and short of it is

a
lot of AM stations, just like FMs, have been getting reception in areas
where they aren't really technically protected. . But, at some point .

they'
re going to have to give up what they've been sort of getting for free all
this time anyway, that sort of non-protected listening area. .

[TRANLATION (in the voice of Don La Fontaine): AM IBOC DXing IS FOR REAL!]

RW: Because AM has to go digital at night. .

Mathews: It's one of those things where everybody is saying, "It can't
happen."
And I've said this from the beginning on HD, none of this is a question of
"If," it's a question of "When."

RW: Do your listeners notice when you go digital?

Mathews: They have no concept unless they have an HD Radio.

http://www.rwonline.com/pages/s.0049/t.352.html

Just as " has no concept.



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