DMAs ndi chimodzi mwa zifukwa zomwe zikuwonetseratu kupambana kapena kulephera kwawonetsedwe
DMA ndi chiyani?
DMA ndi dera kapena dera kumene anthu amatha kusankha zomwezo pa wailesi yakanema ndi wailesi.
Nthawi zambiri zimagwirizanitsidwa ndi mizinda ikuluikulu, koma m'madera akumidzi, akhoza kuphatikizidwa.
Nielsen amapatulira dzikoli kukhala ma DMA 210. Madera awa akuimira msika wa TV pa 210.
DMAs ndizoposa mizinda. Mwachitsanzo, Philadelphia DMA sikumangotengera mzindawu, koma malo onse kumene maofesi a Philadelphia amayang'anitsitsa kwambiri. Philadelphia DMA ikuphatikizapo kumwera kwa New Jersey ndi ambiri a Delaware.
Chifukwa cha izo, malo a TV ku Philadelphia angafune kufalitsa nkhani kudutsa DMA osati mumzinda. Iwo amayesa kugulitsa malonda kwa makampani kudera lonselo.
Madera onse ku US ali mu DMA. Ma DMA ena amaloza malo akuluakulu, monga Salt Lake City DMA, omwe akuyenda kudutsa dziko lonse la Utah. Zina ndizochepa, monga Providence DMA, chifukwa cha mizinda yonse ya New England yomwe ili ndi malo awo enieni.
Chosankha chodziwitsa kuti DMA Nielsen amapereka chigawo chikutani ku zizoloŵezi zoyang'ana.
Ngati nyumba zoposa 50% muzipatala za Baltimore TV, ndiye kuti boma limapatsidwa ku Baltimore DMA. Izi ndi zoona ngakhale kuti derali liri pafupi kwambiri ndi mzinda wina, monga Washington, DC.
Nthaŵi zina, Nielsen adzasuntha dera kuchoka ku DMA imodzi kupita ku ina. Mwinamwake anthu mu chitsanzo county akudzidzimutsa kupeza Washington, DC maofesi pa makina awo makasitomala ndikusankha kuti apitirize kuyang'ana nkhani kuchokera ku likulu la dziko kusiyana ndi Baltimore.
Nyumba zoposa 50% zikuwonerera DC televizioni kuposa Baltimore TV, Nielsen idzasunthira deralo ku Washington, DC DMA.
Nielsen amasindikiza mndandanda wa pachaka wa DMAs ndi kukula kwa omvera. Pofika mu 2016, New York inali DMA yotsogolera.
DMAs ndi intaneti
Kuwonjezeka kwa intaneti ndi njira zina zowonetsera TV ndi wailesi zakhudza ma DMA. Anthu ambiri amagwiritsa ntchito mapulogalamu a pa intaneti kuti ayang'ane mawonetsero awo omwe amawakonda kapena amagwiritsa ntchito mailesi olembetsa olipira m'malo mwa zomwe zilipo poyera ku DMA yawo. Pokhala ndi zigawo zambiri zomwe omvera akusiya kuyankhulana, makamaka zaka zikwizikwi, DMAs ndi Nielson ziwonetsero zawona kusintha kwakukulu kwa chiwerengero chawo. Kuyambira mu 2016, Nielson anali kuyang'ana kuti asinthe machitidwe ake kuti aziwerengera ma TV ndi kutumiza ma radio kuti apeze chiwerengero cholondola, chomwe chidzakhudza momwe amalonda amagula nthawi.
DMAs ndi Phindu
DMA kapena mauthenga a msika wa media ndi ofunikira kwa malonda ndi ogula. Kukula kwa DMA ndi ntchito ya omvera zimatengera mtengo wa malonda. Mwachitsanzo, malonda pa televizioni ku New York City amawononga zambiri kuposa malonda ogulitsidwa mpweya pa siteshoni ku Lancaster, PA.