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TLV320AIC3254: Audio front-end with Accoustic Echo Cancelation

Part Number: TLV320AIC3254
Other Parts Discussed in Thread: TLV320AIC3268

In the context of a new project, we are developing a hands-free VoIP phoning system.

Our application processor is a Cortex M4 with an integrated IP stack but lacks the necessary processing power for echo cancellation.

I came across your audio front-end solutions, such as the TLV320AIC3254, which seem promising for our requirements. However, the wide range of products in this family is a bit confusing, and I'm unsure whether all "programmable minidsp" options support echo cancellation.

Could help in choosing a reerence that supports AEC ? Does TI provide AEC stack and support for these "mini DSP" ? Are there any royalties associated with their usage?

Many thanks.