Ofufuza ochokera ku yunivesite ya Michigan ndi Osaka University njira yatsopano yowukira , kukulolani kuti mutengere patali malamulo a mawu pogwiritsa ntchito laser pazida zomwe zimathandizira kuwongolera mawu, monga olankhula anzeru, mapiritsi, mafoni a m'manja ndi makina owongolera kunyumba pogwiritsa ntchito Google Assistant, Amazon Alexa, Facebook Portal ndi Apple Siri. Pazoyesererazo, zidawoneka zomwe zidapangitsa kuti zitheke kulowetsa mawu mobisa kuchokera pamtunda wa 75 metres kudzera pagalasi lazenera ndi 110 mita pamalo otseguka.
Kuukira kwachokera ntchito , momwe kuyamwa kwa kusintha (modulated) kuwala ndi zinthu kumabweretsa chisangalalo cha kutentha kwa sing'anga, kusintha kwa kachulukidwe kazinthu ndi maonekedwe a mafunde a phokoso omwe amadziwika ndi ma microphone membrane. Mwa kusintha mphamvu ya laser ndikuyang'ana mtengo pa dzenje ndi maikolofoni, mutha kukwaniritsa kukondoweza kwa kugwedezeka kwamawu komwe sikudzamveka kwa ena, koma kumazindikirika ndi maikolofoni.
Kuwukiraku kumakhudza ma maikolofoni a electromechanical omwe amagwiritsidwa ntchito pazida zamakono ().
Pakati pazida zomwe ogula amayesedwa kuti atha kukhudzidwa ndi vutoli ndi mitundu yosiyanasiyana ya Google Home, Google NEST, Amazon Echo, Echo Plus/Spot/Dot, Facebook Portal Mini, Fire Cube TV, EchoBee 4, iPhone XR, iPad 6th Gen, Samsung Galaxy. S9 ndi Google Pixel 2, komanso maloko anzeru ndi makina owongolera mawu amagalimoto a Tesla ndi Ford. Pogwiritsa ntchito njira yowukira yomwe mukufuna, mutha kutengera kutulutsa lamulo lotsegula chitseko cha garaja, kugula zinthu pa intaneti, kuyesa kulosera PIN code kuti mupeze loko yanzeru, kapena kuyambitsa galimoto yomwe imathandizira kuwongolera mawu.
Nthawi zambiri, mphamvu ya laser ya 50 mW ndiyokwanira kuukira pamtunda wopitilira 60. Kuti achite chiwembucho, cholozera cha laser cha $14-$18, dalaivala wa laser Wavelength Electronics LD5CHA $339, Neoteck NTK059 audio amplifier, ndi $28 Opteka 650-1300mm telephoto lens. Kuti ayang'ane molondola mtengowo patali kwambiri ndi chipangizocho, oyesera adagwiritsa ntchito telesikopu ngati mawonekedwe owoneka bwino. Pafupipafupi, m'malo mwa laser, gwero lowala losakhazikika, monga .
Kuwukira nthawi zambiri sikufuna kuyerekezera mawu a eni ake, chifukwa kuzindikira mawu kumagwiritsidwa ntchito mukafika pa chipangizocho (kutsimikizira mwa kutchula "OK Google" kapena "Alexa", komwe kumatha kujambulidwa pasadakhale kenako ndikusinthiratu. chizindikiro pa nthawi ya kuukira). Mawonekedwe a mawu amathanso kunyengedwa ndi zida zamakono zophunzirira mawu pogwiritsa ntchito makina. Kuti aletse kuukira, opanga akulimbikitsidwa kugwiritsa ntchito njira zowonjezera zotsimikizira ogwiritsa ntchito, kugwiritsa ntchito deta kuchokera ku maikolofoni awiri, kapena kukhazikitsa chotchinga kutsogolo kwa maikolofoni chomwe chimatsekereza njira yolunjika ya kuwala.
Source: opennet.ru