In Reply to: Well, Hybrid Digital isn't FM, doesn't sound all that good, and posted by Timbo in Oz on October 8, 2014 at 17:54:15:
I can tell you that where I live, there are very few analog-only FM stations and no apparent rush to abandon the HD Radio technology. Most cars are now shipping with HD-capable receivers.
FM HD Radio has worked very well for me and the audio quality is better; no multipath, extended frequency response, more programming. We do have a couple or three local stations that actually care about the sound quality.
AM stations locally running HD Radio are just as scarce as analog-only FM stations. Not a great loss for me as there's little music programming on the AM band that I want to listen to. But I have to admit that the AM market has mostly dropped HD Radio in all but very large markets.
Although, last weekend KKXA 1520 was running full digital AM HD Radio in several test broadcasts. Far stronger signal and I was able to get HD lock. Alas, it was country music, in mono and not stereo. The audio quality was essentially equal to analog mono FM.
Given the high performance of DSP-based receiver chipsets, there's no reason even analog-only AM/FM tuners couldn't be cheaply produced. I don't think HD Radio is mandated on new equipment, but any new tuner I buy in the future will have to support digital broadcast.
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Follow Ups
- RE: Well, Hybrid Digital isn't FM, doesn't sound all that good, and - centaurfm 20:12:31 10/08/14 (1)
- The digitaisation might help with noise, but the bit rates are way too low for high quality sound - Timbo in Oz 20:35:09 10/08/14 (0)