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IBiquity’s digital audio broadcasting (DAB) system isn’t most spe...

IBiquity’s digital audio broadcasting (DAB) system isn’t most spectrum-efficient, and may be least, according to ex parte filing at FCC by National Federation of Community Bcstrs. (NFCB). Group said iBiquity approach locked in existing channel allotment system “with all…

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its inefficiencies.” Pure digital system could pack in several times more stations, NFCB said, making it easier for nonbroadcasters to launch stations: “By proffering a digital plan that accords digital capacity to incumbent licensees, and only them, iBiquity is treading a path that in television proved disastrous.” NFCB said FCC instead should have selected all-new spectrum band for DAB, such as portion of TV spectrum being freed by digital transition, such as Ch. 6, which would yield 30 additional FM channels: “That would be a horrifying prospect to Clear Channel no doubt, but also a public benefit that the Commission should not ignore.”