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?

6 ]. ?% l: ?* z9 X) o3 L% Q# IDue to the budget limit, the unit price of the IC is better less than USD 1.2 or even lower.
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Comment is much appreciated!
, p* k) g) N8 vBest regards!