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Forum: HD Radio   12-22-2008, 07:36 AM
Replies: 2
Views: 1,569
Posted By bradpeters
The following review by a radio engineer...

The following review by a radio engineer appeared recently in a leading trade publication:

http://www.rwonline.com/article/71710
Forum: HD Radio   11-24-2008, 06:17 AM
Replies: 7
Views: 3,592
Posted By bradpeters
Let's be clear (no pun intended): analogue FM is...

Let's be clear (no pun intended): analogue FM is where the Sony XDR-HD1 really shines. With its noise-suppression technology (or whatever "magic" sets it apart), the Sony will deliver quiet...
Forum: HD Radio   11-21-2008, 12:11 PM
Replies: 358
Views: 97,343
Posted By bradpeters
If digital reception were reliably good, indeed,...

If digital reception were reliably good, indeed, there would be no reason for forced analogue except for curiosity or testing. But in my "real world", reception often is not reliable. So I would...
Forum: HD Radio   09-18-2008, 10:57 AM
Replies: 2
Views: 1,213
Posted By bradpeters
Richard, I also have a Sangean HDT-1 and I...

Richard,

I also have a Sangean HDT-1 and I have a Sony XDR-F1HD. I feel certain that's the one you're considering. I also contemplated an HDT-1X, because I admired its upgrades over the HDT-1....
Forum: HD Radio   08-23-2008, 02:35 PM
Replies: 32
Views: 3,208
Posted By bradpeters
The FCC catches blame for many things, but let's...

The FCC catches blame for many things, but let's not accuse the Commission of blocking the HD-R power increase when it hasn't even taken up the issue yet. The radio industry (which owns iBiquity)...
Forum: HD Radio   06-28-2008, 07:14 PM
Replies: 9
Views: 1,451
Posted By bradpeters
Mike, I thought I had narrowed the drop-out...

Mike,

I thought I had narrowed the drop-out problem on KXKL-HD3 to multipath, but I no longer think so. I've tried it several times today, using different antennas and orientations, but the...
Forum: HD Radio   05-15-2008, 07:08 AM
Replies: 9
Views: 1,451
Posted By bradpeters
I experience HD3 dropouts on a couple of...

I experience HD3 dropouts on a couple of stations in Denver, even though their HD1 and HD2 streams remain solid. Both of the HD3s are 24 kbps mono.

The stations are owned by the same group, but...
Forum: HD Radio   05-09-2008, 10:12 AM
Replies: 18
Views: 2,312
Posted By bradpeters
"Hybrid" in the context of HD Radio originally...

"Hybrid" in the context of HD Radio originally referred to the capability of the IBOC system to combine (hybridize) both analogue and digital transmissions in the same frequency spectrum. The FCC's...
Forum: HD Radio   05-08-2008, 08:20 AM
Replies: 0
Views: 1,049
Posted By bradpeters
Has anyone had an opportunity to compare the new...

Has anyone had an opportunity to compare the new Sony XDR-F1HD home tuner with Sony's HD automobile tuner, the XT-100HD?

Sony's website says the car unit utilizes technology to reduce digital...
Forum: HD Radio   05-05-2008, 05:38 AM
Replies: 17
Views: 2,129
Posted By bradpeters
Nope, the FCC currently has no plans to mandate...

Nope, the FCC currently has no plans to mandate a digital transition in radio. The Commission bought the radio industry's plea to let the "marketplace" decide when digital will replace analogue....
Forum: HD Radio   05-04-2008, 07:40 AM
Replies: 17
Views: 2,129
Posted By bradpeters
Sorry, Mr. John. I let my imagination run away...

Sorry, Mr. John. I let my imagination run away with me.

Many people compare the advent of HD Radio with that of analogue FM fifty years ago; FM was an oddity that didn't take off for more than a...
Forum: HD Radio   05-03-2008, 06:52 PM
Replies: 17
Views: 2,129
Posted By bradpeters
Mr. Jiggs (?), The FCC's HD protocol...

Mr. Jiggs (?),

The FCC's HD protocol requires that a station's main (or only) HD channel simulcast its analogue programming. If analogue and digital transmissions are well synchronized, as they...
Forum: HD Radio   05-03-2008, 06:37 PM
Replies: 18
Views: 2,312
Posted By bradpeters
I don't know about Master. If he left Sangean,...

I don't know about Master. If he left Sangean, it should have been on very good terms. Sony would do well to hire him. I was disappointed to discover that their customer service reps don't know the...
Forum: HD Radio   05-03-2008, 08:13 AM
Replies: 18
Views: 2,312
Posted By bradpeters
Has anyone heard whether Sony is developing a...

Has anyone heard whether Sony is developing a high-end FM tuner with HD capability? And when such a product may come to market?

I received my Sony XDR-F1HD tuner yesterday, and I am astonished by...
Forum: HD Radio   04-10-2008, 08:23 AM
Replies: 6
Views: 1,967
Posted By bradpeters
A situation report on the proposed IBOC FM power...

A situation report on the proposed IBOC FM power increase appeared yesterday at http://www.rwonline.com/pages/s.0049/t.12575.html. The NAB Engineering Conference begins this weekend, so we may soon...
Forum: HD Radio   04-02-2008, 03:58 PM
Replies: 4
Views: 1,165
Posted By bradpeters
Denver has finally introduced HD3, with four...

Denver has finally introduced HD3, with four streams now on the air. I am told that at least three of them are 24 kbps monaural streams. One of the streams is all-music, and the lack of stereo is...
Forum: HD Radio   03-13-2008, 01:10 PM
Replies: 9
Views: 1,408
Posted By bradpeters
Thanks again, Brian. Your explanation about the...

Thanks again, Brian. Your explanation about the different spectrum locations of HD1/HD2and HD3 disproves my theory that adjacent-channel interference may have caused the drop-outs. Co-channel...
Forum: HD Radio   03-13-2008, 08:09 AM
Replies: 9
Views: 1,408
Posted By bradpeters
Thanks to all for your responses, especially to...

Thanks to all for your responses, especially to Brian for his detailed suggestions.

I have Version 1.2F; DSP: DRI-352-001751DF-CMRL-VO14; MP3. Do any of those specs confirm known bugs?

Brian...
Forum: HD Radio   03-12-2008, 08:38 AM
Replies: 9
Views: 1,408
Posted By bradpeters
I am experiencing intermittent reception...

I am experiencing intermittent reception ("drop-outs") on an HD3 channel with my Sangean HDT-1, and I wonder whether anyone else is having a similar problem. I contacted the station's chief...
Forum: HD Radio   02-04-2008, 09:54 AM
Replies: 3
Views: 1,139
Posted By bradpeters
FMW, I encourage you to try, but my...

FMW,

I encourage you to try, but my experience (and that of many who have posted on this forum) is that a digital signal is unlikely to compete with a noisy analogue one. I have line-of-sight to...
Forum: HD Radio   02-01-2008, 06:14 AM
Replies: 5
Views: 1,449
Posted By bradpeters
The NAB is asking the FCC for a 10dB power...

The NAB is asking the FCC for a 10dB power increase for IBOC:

http://www.rwonline.com/pages/s.0100/t.11018.html
Forum: HD Radio   01-17-2008, 06:30 AM
Replies: 8
Views: 2,526
Posted By bradpeters
A new, mostly postive, review of the HDT-1X from...

A new, mostly postive, review of the HDT-1X from Radio World:

http://www.rwonline.com/pages/s.0051/t.10660.html
Forum: HD Radio   12-17-2007, 09:50 AM
Replies: 36
Views: 3,663
Posted By bradpeters
Doug, As you may have noticed, KYGO(FM) is...

Doug,

As you may have noticed, KYGO(FM) is simulcasting KKFN(AM) on its HD2, even though KKFN also broadcasts in HD on AM. KKFN becomes the second Denver HD-AM that also appears on FM -- KCFR...
Forum: HD Radio   11-27-2007, 11:25 AM
Replies: 0
Views: 931
Posted By bradpeters
Volvo has announced that it will offer HD radio...

Volvo has announced that it will offer HD radio as standard equipment in some of its new cars next fall. HD won't take off until other manufacturers make similar commitments to HD.
...
Forum: HD Radio   11-17-2007, 07:36 AM
Replies: 10
Views: 5,720
Posted By bradpeters
Motorcop, Sorry I'm just responding to your...

Motorcop,

Sorry I'm just responding to your post. I haven't logged on lately.

A friend of mine purchased an I-Sonic more than a year ago and has had a lot of trouble with it. He has returned...
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