Mavuto Aakulu Asanu ndi Awiri ndi HD Radio
Popeza kuti makina opanga mafilimu omwe amavomereza kuti agwiritsidwe ntchito ku United States ndi FCC, HD Radio yapeza malonda ambiri kuyambira pamene sitima yoyamba inapita digito mu 2003. Kupeza teknoloji mumagalimoto kudzera mwa OEMs kunakhala kwanzeru kusunthira, kulingalira za kuchuluka kwa radiyo kumvetsera omvera omwe amangomvetsera pamene akuyendetsa gudumu, koma msewu wakhala wosakhala wofewa m'zaka zotsatizana.
Ngakhale kuchuluka kwa eni atsopano a galimoto ali ndi ma Radios HD, chiwerengero choopsya cha iwo sichidziwa-kapena mwina chisamala-chomwe icho chimatanthawuza ngakhale. Ndipo ngakhale pamene iwo atero, zolephera zina za mtunduwo, kuphatikizapo zokhudzana ndi zenizeni za malonda a wailesi, zimatanthawuza kuti HD Radio sikugwira ntchito nthawi zonse. Kotero pamene akudzinenera kuti mawonekedwewo afa, kapena kufa, sangakhale owonadi , apa pali mavuto asanu ndi limodzi omwe ali ndi radio lero:
01 ya 06
Kubvomerezeka Kwasintha
Pang'onopang'ono ndi nthawi yeniyeni, kutsimikizira, ndipo chikhalidwe cha BIchi chinapangidwira molingana ndi kugwiritsidwa ntchito kwa wogula. Mwachitsanzo, imodzi mwa magalimoto atsopano atatu ogulitsidwa mu 2013 inaphatikizapo ndondomeko ya HD Radio. Komabe, izo zimasiyabe magalimoto ambiri akale akuyendetsa kunja uko ndi mafilimu a analog ndipo palibe chifukwa chomveka chosinthira, makamaka ndi njira zomwe zili ngati wailesi ya pa Intaneti. Poyerekeza ndi ziwirizi, mu 2012 anthu pafupifupi 34 peresenti ya anthu a ku America amamvetsera mauthenga a pa intaneti akumvetsera-kuphatikizapo maulendo awiri monga Pandora ndi mitsinje ya intaneti ya AM ndi FM - poyerekezera ndi 2 peresenti yomwe inamvetsera ku HD Radio.
Vuto lalikulu ndilokulandira pulogalamu yamakono opanga ma TV a HD, popeza simungagwiritse ntchito HD Radio palibe amene akugwiritsa ntchito telojiya kulengeza chizindikiro cha digito. Ngakhale kuti chiwerengero cha maofesi omwe anakhazikitsa chitukukochi chinakula pang'onopang'ono pakati pa 2003 ndi 2006, malo ochepa apanga mawonekedwe chaka chilichonse kuyambira pamenepo. Ngati mumakhala m'dera lomwe muli HD yabwino yofalitsa, ndiye izi sizinthu. Kwa iwo omwe amakhala m'madera omwe amagwiritsidwa ntchito ndi magetsi ochepa, kapena ayi, ma TV, makanema angakhalepobe.
02 a 06
OEMs Akhoza Kutaya Radiyo Ponse Ponse
Panthawi inayake, zolembazo zikuwoneka kuti zili pa khoma la makina opangidwa ndi mafakitale, monga analog kapena digito. Anthu ambiri odzipanga automakers anali atadzipereka kuchotsa ma wailesi a AM / FM, ndi HD Radio ndi proxy, kuchokera pa mabashoni awo apaka 2014. Izi sizinachitike, ndipo ma vodiyo amayang'ana kuti atsala pang'ono kuphedwa, koma chithunzichi chikadalibe matope.
Makampani opanga ma wailesi komanso BIquity, makamaka akuti amagwira ntchito ndi akuluakulu omwe amagwiritsa ntchito mafilimu kuti asunge mafilimu a OEM voti stereos, koma ngati mayina akuluakulu ogulitsa magalimoto amasankha kupita njira ina, zikhoza kukhala za HD Radio .
03 a 06
Mauthenga a pa wailesi a HD angasokonezeke ndi malo opangira
Chifukwa cha njira zamakono zogwiritsira ntchito BIquity (IBOC) zamagetsi (IBOC), magalimoto omwe amasankha kugwiritsa ntchito chitukukochi amatumiza zida zawo zoyambirira za analog ndi "bandan" zam'manja pamunsi ndi pamwamba pafupipafupi. Ngati mphamvu zomwe zimaperekedwa kwa ma sideband ndizokwanira, zimatha kupita m'mitsinje yoyandikana nthawi yomweyo pamwamba ndi pansi pa siteshoni yomwe ikugwiritsa ntchito IBOC. Izi zingachititse kusokonezeka kuononga chidziwitso chakumvetsera kwa aliyense yemwe amayesa kuyendetsa m'malo awo.
04 ya 06
Mauthenga a pa wailesi a HD angasokoneze ndi mauthenga awo a analog
Mofananamo momwe ma digital sidesband amatha kulowera mafupipafupi pafupi ndikuyambitsa kusokoneza, amatha kusokoneza chizindikiro chawo cha analog. Izi ndizovuta kwambiri pamene zikuchitika chifukwa chimodzi mwa zinthu zofunikira kwambiri kugulitsa IBOC ndilolo limapereka chizindikiro cha digito ndi analogue kuti agawane nthawi yomweyo yomwe idagwiritsidwa ntchito ndi chizindikiro cha analog. Chimodzimodzinso ndi nsomba-22 chifukwa chakuti mphamvu yochepa yamagetsi imabweretsa mauthenga a HD omwe palibe amene angalandire, pamene wamphamvuyo ingasokoneze chizindikiro cha analog, chomwe ndi pafupifupi pafupifupi aliyense akumvetsera mpaka poyamba.
05 ya 06
Palibe Amene Amadziwa Zimene HD Radio Ali
Izi zikuwoneka bwino, koma anthu odabwitsa sakudziwa kuti HD Radio ndiyani, kusokoneza ndi satelesi , kapena chabe sakufuna. Pogwiritsa ntchito makina opangira mafilimu ndi m'manja mwa ogula, chidwi sichinayambe kuwuka pamwamba pa 8 peresenti.
Izi ndizosokoneza kwambiri mukamaganizira kuti makampani opanga ma wailesi amakula mofulumira kumapeto kwa nthawi imeneyo, ngakhale kuti amakumana ndi mpikisano wothamanga kuchokera ku mauthenga a pa intaneti ndi ma intaneti ena. Inde, mwina pali chifukwa chosowa chidwi:
06 ya 06
Palibe Amene Amafunsidwa Kwa Radio ya HD
Kuzizira, chowonadi chovuta ndi chakuti HD Radio ndi mawonekedwe pofufuza omvera omwe sanafunsepo poyamba. Nthawi zina, kulingalira omvera kusanakhalepo kumabweretsa mpikisano wopikisana, ndipo amalonda omwe amatha kuchita chozizwitsa chaching'onong'onochi nthawi zambiri amatchulidwa ngati ozindikira.
Ndipo pankhani ya HD Radio, motsogoleredwa ndi FCC, zikuwoneka ngati makadi a BIquity anali pamalo kuti athetse mgwirizano waukulu pokhudzana ndi msika watsopano. Koma m'zaka zomwe zapita kuchokera ku IBOC atavomerezedwa ngati chipangizo chokhacho chojambulira pa wailesi ku United States, zinthu sizingatheke.