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Opus audio encoding on NRF52840

Hi, I'm new here so please let me know if any additional information could help.

We are in need of encoding speech on a nRF52840 and are working in Opus and are having trouble making it fit in our compute budget. Browsing on here I've seen similar questions but I wasn't completely clear on a few things that I was hoping someone could answer.

Am I correct in that I've read that the nRFready Smart Remote 3 for nRF52 Series comes with an implementation of Opus that is optimized for nRF52? If so, does it require less overall compute? If that's the case, do we need to just buy the Smart Remote 3 DK in order to access this nRF52 optimized version of Opus?

Thanks for your help!

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