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MPEG-4 Book, The by Touradj Ebrahimi, Fernando Pereira

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16.3. Narrowband Digital Audio Broadcasting Test

The test described in this section was aimed at evaluating the suitability of MPEG-4 audio technology for an amplitude modulation (AM) digital audio broadcasting application, as described in [N2724]. Although so-called wideband codecs were included in this test, the test was called narrowband digital audio broadcasting (NADIB) [N2276], because AM uses 10- to 20-kHz bandwidth on the radio channel, whereas other digital audio broadcast schemes use more (e.g., IBOC-FM uses 200 to 300 kHz, and Eureka-DAB 1.5 MHz).

This test was conducted in collaboration with the NADIB consortium, a Eureka project (EU 1559) with the mandate of defining a worldwide usable standard for improving the existing analog service ...

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