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hdradio
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The answer HDRADIO has 1 possible clue(s) in existing crosswords.
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Possible Crossword Clues |
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Digital technology that provides higher-quality sound |
Last Seen in these Crosswords & Puzzles |
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Oct 2 2016 New York Times |
Hdradio might refer to |
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HD Radio is a trademarked term for Xperi's in-band on-channel (IBOC) digital radio technology used by AM and FM radio stations to transmit audio and data by using a digital signal embedded "on-frequency" immediately above and below a station's standard analog signal, providing the means to listen to the same program in either HD (digital radio with less noise) or as a standard broadcast (analog radio with standard sound quality). The HD format also provides the means for a single radio station to simultaneously broadcast one or more different programs in addition to the program being transmitted on the radio station's analog channel. It was originally developed by iBiquity. In September 2015 iBiquity was acquired by DTS bringing the HD Radio technology under the same banner as DTS' eponymous theater surround sound systems.. It was later acquired by Xperi in 2016. * It was selected by the U.S. Federal Communications Commission (FCC) in 2002 as a digital audio broadcasting method for the United States, and is the only digital system approved by the FCC for digital AM/FM broadcasts in the United States. It is officially known as NRSC-5, with the latest version being NRSC-5-D. Other digital radio systems include FMeXtra, Digital Audio Broadcasting (DAB) (Eureka 147), Digital Radio Mondiale (DRM30 and DRM+ configurations), and Compatible AM-Digital (CAM-D). * While HD Radio does allow for an all-digital mode, this system currently is used by some AM and FM radio stations to simulcast both digital and analog audio within the same channel (a hybridized digital-analog signal) as well as to add new FM channels and text information. Although HD Radio broadcasting's content is currently free-to-air, listeners must purchase new receivers in order to receive the digital portion of the signal. * By May 2018, HD Radio technology was claimed to be used by more than 3500 individual services, mostly in the United States. This compares with more than 2200 services operating with the DAB system. * HD Radio increases the bandwidth required in the FM band to 400 kHz for the analog/digital hybrid version. This makes adoption outside the United States problematic. In the United States the FM broadcast band channels have a spacing of 200 kHz, as opposed to the 100 kHz that is normal elsewhere. The 200 kHz spacing means that in practice, stations having concurrent or adjacent coverage areas will not be spaced at less than 400 kHz in order to respect protection ratios which would not be met with 200 kHz spacing. This also leaves space for the digital sidebands. Outside the US, spacing can be 300 kHz, which causes problems with the digital sidebands. * The FCC has not indicated any intent to force off analog radio broadcasts as it has with analog television broadcasts, as it would not result in the recovery of any radio spectrum rights which could be sold. Thus, there is no deadline by which consumers must buy an HD Radio receiver. In addition, there are many more a... |