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Testing ALL DIGITAL AM Radio, Seattle area.
http://radiomagonline.com/currents/k...hd_radio_0930/
Interesting! I have no idea how well this might work... IBOC hybrid digital/analog has IMHO, been very disappointing on the AM band, but the "full digital" transmissions would allow more power in the digital carriers, hopefully improving range and reliability of reception. In addition "full digital" will allow more than one programming source to be carried as "sub-channels", much like DTV. jr |
#2
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Very cool. I wish I was in that area so I could hear the signals.
I have not heard of any plans for multi-channel stations on AM HD, even in this all-digital format. All-digital FM HD Radio should allow up to eight channels per station, though.
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Chris Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did." |
#3
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jr |
#4
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in the bandwidth. For those that dont use AM IBOC puts out a loud hiss on both adjacent channels wiping them out. At nite both WABC & WJR both ran it & killed each other. Same owners so they stopped using it at nite. WBZ also has it but only days. The ultimate goal is the same as with HDTV. Wipe out the old system for profit. Hundreds of millions of radios useless & recycled. Almost all car radios useless....... If you dont think they would do it think again. We are getting things a vast majority dont want shoved down our throat. Thats it, BP going up fast. 73 Zeno |
#5
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Unlike the digital TV changeover, digital broadcast radio is neither mandatory nor scheduled to replace analog radio. If that ever happens, it will be because the market (audience) wants it.
Adjacent channels are never used in AM (or FM) broadcasting, in the same market area, so the wider sidebands are almost always a non-issue. (Except for the hobby of distant-station listening, which has nothing to do with the BUSINESS of broadcast radio, and is therefore irrelevant to the stations). That WABC/WJR situation is still the only case I have heard of, out of hundreds of AM HD Radio stations on the air, that was actually considered to be a problem by the station owners.
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Chris Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did." |
Audiokarma |
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That would be interesting. I wonder if any of my HD Radio tuners can select subchannels on the AM band. Supposedly, some of the earliest HD tuners could not do so on the FM band. Thanks for the note.
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Chris Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did." |
#7
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Yea digital am in my car sucks. No thanks. Digital FM mostly works but sometimes falls back to analog.
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#8
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I have listenend to that HD crap in the car.... Sounds like crap...... I usually disable it and listen in analog....... (Even though it still isnt 100% analog)
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#9
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Most if not all FM HD Radio stations here sound great in digital mode (within the limits of all broadcast radio sound). Much better than the analog versions in every case. Noise-free background, wider frequency response than analog FM broadcasts, and the convenient song title information on the display panels too.
(No, I am not in the HD Radio or broadcast business. I just really appreciate how well they work, especially on FM.)
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Chris Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did." |
#10
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I rather stay with analog .DTV sucks.We got forced in to it.Digital radio will suck too.
Soon if they make AM/FM band all digital .They probably shrink the bands down and auction off the extra channels to some bs wireless corp. I would not put it past them to do so. Sorry to be cold on this topic.I'm not a fan of digital radio or Sirius/XM satellite radio. Digital only say in my mp3 player ,Camcorder and computer.Anywhere else NOOOO...... |
Audiokarma |
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#12
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Analog is warm and beautiful |
#13
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Yep.I sucks big time along with digital cable .
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Chris Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did." |
#15
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Audiokarma |
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