Shaandheeyayaasha joogsiga joogsiga ahi waxay awood u leeyihiin inay xannibaan ama ay yareeyaan calaamadaha kala duwanaanshiyaha soo noqnoqda ee gaarka ah, halka calaamadaha ka baxsan xadkaas ay yihiin kuwo hufan.
Shaandhooyinka joogsiga-joojintu waxay leeyihiin laba jeer oo goos goos ah, soo noqnoqoshada gooyn hooseeya iyo soo noqnoqoshada goynta sare, samaynta kala duwanaansho joogto ah oo loo yaqaan "passband".Calaamadaha ku jira xadhkaha xadhkaha baaska ayaa inta badan aan saamayn ku yeelan doona shaandhada.Shaandhooyinka joogsiga-joojinta waxay sameeyaan hal ama in ka badan oo kala duwan oo soo noqnoqda oo loo yaqaan "stopbands" oo ka baxsan xadka baasaaska.Calaamadaha inta u dhaxaysa xadhkaha joogsiga ayaa la yareeyey ama gebi ahaanba xidhay filtarka.