Can someone list the difference in standards between the most current US standard vs. the 1990s JP A ...
anon893 發表於 2021-2-15 21:39 
They are two different systems.
AM Stereo was first introduced in 1980s, and was adopted by US, Canada, Australia, Japan...but it required a specific AM stereo radio to decode the signal and no one wanted to buy a new radio just for that so it failed.
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