source echo cancellation IC

kevinchime2

I'm sourcing a IC which is able to address or improve the echo problem on a wireless door phone or intercom. Can you share with me any your device which is eligible for this kind of application?

& M7 [( p1 p; ]; w8 SDue to the budget limit, the unit price of the IC is better less than USD 1.2 or even lower.
! R) I* ^$ m7 j- \- m
! q. t9 u5 ^" Y/ n3 bComment is much appreciated!
. C$ g! n$ F' ^Best regards!