Sameecadaha safka safka Hordhac:
Af-hayeenka safka sidoo kale loo yaqaan af-hayeenka isku-dhafan ee toosan. Af-hayeenno badan ayaa lagu dari karaa koox af-hayeen oo leh isla mugga iyo wejiga (xariijinta khadka), af-hayeenkana waxaa loo yaqaan af-hayeenka safka khadka. Nidaamyada safka toosan badanaa si yar ayay u foorarsadaan si ay u gaaraan xagal daboolan oo weyn. Qaybta ugu weyn waxay lammaanaysaa goobta fog iyo qaybta qaloocan goobta u dhow. Ka dhig mid aan sinnayn toosnaanta toosan, xoogaa tamar acoustic ah ayaa lagu soo ururin karaa qaybta iyadoo aan ku filnayn soo noqnoqoshada sare.

Mabda'a sameecadaha safka:
Saf toosanwaa koox unugyo shucaac ah oo loo habeeyey xariiqyo toosan oo si dhow u kala fog, waxayna leeyihiin baaxad iyo marxalad isku mid ah. Hagaaji masaafada gudbinta oo yaree hoos u dhigista inta lagu jiro gudbinta codka. Fikradda safka toosan maanta ma aha oo kaliya. Waxaa asal ahaan soo jeediyay HF Olson, oo ah khabiir caan ah oo Mareykan ah oo ku takhasusay dhawaaqa. Sannadkii 1957, Mr.Olsen wuxuu daabacay buugga muusigga ee caadiga ah "Acoustic Engineering" (Acoustic Engineering), kaas oo ka hadlay in safka toosan uu si gaar ah ugu habboon yahay shucaaca dhawaaqa fog. Tani waa sababta oo ah safka toosan wuxuu bixiyaa toosin aad u wanaagsan oo daboolida toosan ah si loo helo saameyn cod oo wanaagsan.
Hadalka safkaCodsiyada r:
Waxaa loo isticmaali karaa isticmaalka moobaylka ama rakibidda go'an. Waa la is dulsaari karaa ama la sudhi karaa. Waxay leedahay adeegsiyo kala duwan, sida bandhigyada dalxiiska, riwaayadaha, tiyaatarada, guryaha opera, iwm. Waxaa loo isticmaali karaa isticmaalka moobaylka ama rakibidda go'an. Sameecadaha safka ah Meesha toosan ee dhidibka ugu weyn waa ul cidhiidhi ah, meesha sare ee tamartana waxay ku iftiimin kartaa masaafooyin dheer.