Ovoz

Ovoz, majmui sadohoi az jihati balandi, quvva va ohang (tembr) rynogune, ki bo yorii apparati Ovozi odam va hayvonhoi bo shush nafaskashanda barovarda meshavand hangomi harakathoi reflektorii mushaakhoi hanjara (atsa, sulfa va gayra) niz Ovoz ba vujud meoyad.

Ba vositai Ovoz odam ehsosot va fikri khudro bayon mekunad Oid ba hosil shudani Ovoz du nazariya mavjud ast: mushakiyu elastiki (mavzuni) va asabiyu mushaki. Muvofiqi nazariyai musha­kiyu elastiki pesh az baromadani harguna Ovoz sadopardahoe, ki az bayni onho havoi dokhili khirnoy meguzarad, vasl meshavand.

Az rui nazariyai asabiyu mushaki boshad adadi lappishi sadopardaho dar yak soniya ba adadi impulshoe, ki az sistemai markazii asab meoyad barobar meboshad. Balandin Ovoz ba basomadi lappishi sadopardaho, kuvvai Ovoz ba amplitudai lappishi sadopardaho vobasta buda, tembri Ovoz dar natijai ba toni asosi hamroh shudani tonhoi ilovagi (obertonho), ki aso­san dar qismi rezonatorii appara­ti Ovoz hosil meshavand tashakkul meyobad.

Tashakkuli Ovoz tadrijan (bazan yakbora) barobari inkishofi organizm, sistemai markazii asab va sistemai endokrini ba vujud meoyad Bo ziyod shudani sinnu sol diapazoni balandi, quvva va okhangi Ovoz vusat yofta, dar davrai piri mahdud meshavad. Tagyiryobii puravji Ovoz dar davrai balogat (az 11—12 to 18—19-solagi) mushohida meshavad va on az 5—6 moh to 2 3 (bazan to 5) sol davom mekunad.

Vayronshavii funksiyam Ovoz aso­san hantomi tagyiryobii patolo­gii panjara (nigared Laringit), dar natijai ikhtiloli yagon qismi appa­rat Ovoz, mondashavii kasbi yo maishii Ovoz, bemorihoi sistemai dilu pag va asab ba vujud meoyad.