Izikhulumi ezihlakaniphile, njenge-Amazon Echo noma i-Google Home, zingasetshenziswa ukuqapha izigqi zenhliziyo ngaphandle koxhumana nabo ngokomzimba kahle njengezinhlelo ezikhona zokuhlola.
Ososayensi abavela e-University of Washington (USA) bathuthukise uhlelo lomsindo olususelwa kubuchwepheshe lobuhlakani bokufakelwa obuyakwazi ukuthola ukushaya kwenhliziyo okungajwayelekile. Uhlelo luthumela imisindo engenangqondo emvelweni yayo esondele, bese ichaza amaza abonisiwe ukunquma izigqi zezinhliziyo ngazinye ezivela kumuntu ohlala eduze kwawo. Lobu buchwepheshe bungaba wusizo ekutholeni ukuphazamiseka kwesilinganiso senhliziyo, njenge-Cardiac Arrhythmias.
Imininingwane mayelana nale ntuthuko yanyatheliswa kwi-Communication Biology Journal.
Umsebenzi ophambili ekuthuthukisweni kwalobu buchwepheshe bekuwukutholwa kwemisindo yokushaya kwenhliziyo kanye nokugqamisa imisindo yokuphefumula, okusondele kakhulu. Ngaphezu kwalokho, ngoba isiginali yokuphefumula ayijwayelekile, kunzima ukumane uhlunge. Ngokusebenzisa iqiniso lokuthi izikhulumi zanamuhla ze- "Smart" zinamamakrofoni amaningi, abathuthukisi bakhe i-algorithm entsha yokwakha i-algorithm ukusiza ikholamu ukuthola ukushaya kwenhliziyo.
Ikholomu esuselwa kubuchwepheshe bezobuchwepheshe bokufakelwa isebenzisa i-algorithm ebheka amasiginali atholakala kumagciwane ambalwa kudivayisi ukuthola ukushaya kwenhliziyo. Lokhu kuyafana nokuthi izikhulumi zentengiso "ezihlakaniphile", ezinjenge-echo, zingasebenzisa imakrofoni eminingana ukugcizelela ivoti elilodwa egumbini eligcwele ezinye imisindo egcwele ezinye imisindo egcwele ezinye imisindo.
Abaphenyi bahlole ubuchwepheshe eqenjini lamavolontiya anempilo neqembu leziguli ezinezifo ezinhliziyo ezahlukahlukene, futhi waliqhathanisa ngokuqapha kwenhliziyo okujwayelekile kwenhliziyo. Uhlelo lwathola isikhawu se-Median phakathi kokushaqeka, obekungaphakathi kwama-millisecond angama-30 noma ngaphansi kwalokho okutholakele yithuluzi lokulawula, elibonisa ukuthi liqhathaniswa nephuzu lokubukwa ngokunemba.
Ngesikhathi sokufunda, ababambiqhaza babehleli phakathi kwemitha eyodwa kwikholomu ethumela imisindo egulayo egumbini. Ama-algorithms ayehlukaniswe futhi alandelwa ukushaya kwenhliziyo okuhlukile kusuka kumasiginali abhalisiwe abonisiwe.
Abantu abangu-26 abaphilile bahlanganyele esifundweni, iminyaka eyisilinganiso sayo eyayineminyaka engama-31, kanye nesilinganiso sabesifazane nabesilisa - 0.6. Eqenjini lesibili kwakuhlanganisa ababambiqhaza abangama-24 nge-Heart ukwephulwa kwenhliziyo, kufaka phakathi i-Arrhythmia evuthayo kanye nokwehluleka kwenhliziyo okuqinile, iminyaka yawo emaphakathi kakhulu idlula iminyaka engama-62.
Njengamanje, uhlelo lulungele ukubheka ngokushesha isigqi senhliziyo, futhi umsebenzisi udinga ukuba atholakale ngenhloso eduze kwensiza ngaphambi kokuthi ahlaziye izinga lokushaya kwenhliziyo. Noma kunjalo, abacwaningi banethemba lokuthi ekuhambeni kwesikhathi esizayo, ubuchwepheshe bazokwazi ukulawula ngokuqhubekayo isimo senhliziyo, ngisho nangesikhathi sokulala.
Iqiniso lokuthi izikhulumi zabathengi "Smart" sezivele zitholakala kabanzi, zinikeza ithuba lokudala ngesisekelo sazo "isizukulwane esilandelayo sezixazululo zokuqapha zezempilo", kusho ososayensi baseyunivesithi.