Ahịrị okwu akara Okwu Mmalite:
Ahịrị ARAY ARAY maara ihe dị ka onye na-asụ likear. Enwere ike ijikọ ọtụtụ ndị na-ekwu okwu na otu okwu na otu ọnọdụ na usoro (ahịrị akara), na a na-akpọ onye na-ekwu okwu akara akara akara. Sistem Linear Systems na-agbakarị ntakịrị iji nweta akụkụ buru ibu. Akụkụ abụọ nke akụkụ dị anya na akụkụ dị mgbagwoju anya gaa n'ọhịa dị nso. Mee ka ihe dị elu Asymmetry, enwere ike ikpokọta ụdị ike acoustic na akụkụ nke ezughi oke.

Equarykpụrụ Okwu Ọkà okwu kwuru:
Linearbụ otu ndị otu radieshon na-ahazi n'usoro ahịrị ma na-enwe otu njupụta na usoro. Meziwanye ebe a na-ebubata mgbasa ozi ma belata ibe ya n'oge nnyefe. Echiche nke ịdị larịị bụ naanị ebe ahụ taa. Ọ bụ ya na HF Olson kwuru, ọ bụ ọkachamara America a ma ama. N'afọ 1957, Mr.Olsen bipụtara akwụkwọ ozi oge gboo "(acoustic" (nke acoustonernernearding), nke gbara ahịrị ahụ na-adabara radieshon ogologo oge. Nke a bụ n'ihi na lineuar na-enye ezigbo nsọtụ nke vetikal maka ezigbo mmetụta ụda.
Akara akarar ngwa:
Enwere ike iji ya maka iji ma ọ bụ nwụnye edozi. Enwere ike idozi ya ma ọ bụ dina. O nwere otutu ojiji dị iche iche, dịka ọrụ nlegharị anya, egwuri egwu, ụlọ ihe nkiri, ụlọ opera, na ndị ọzọ. Enwere ike iji ya maka iji ma ọ bụ nwụnye edozi. Ahịrị na-ekwu na ọkà okwu na-ekwu okwu na-akwụ ụgwọ nke bụ nnukwu igwe na-eme mkpọtụ, ike na ike ike nwere ike ịdaba n'ebe dị anya.