Digital-television radio , DTV radio , or DTR describes the audio channels that are provided with a digital television service.[ 1] These channels are delivered by cable television, direct-broadcast satellite or digital terrestrial television .[ 2] In terms of variety, DTR falls somewhere between regular AM and FM radio, and satellite radio .[ 3] [ 4] [ 5] However, because it is delivered through a digital signal, the actual sound quality can exceed both.[ 6]
DTR may be available for free,[ 7] [ 8] or as part of a subscription television service. DTR music and audio channels are often provided as part of the "basic" television subscription service or package.[ 9] [ 10]
In a 2014 study, 11% of Americans listened to DTV radio on an average day,[ 11] with 5.2% of time spent listening to audio attributed to DTV Radio.[ 12]
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