https://devzone.nordicsemi.com/f/nordic-q-a/51159/opus-audio-encoding-on-nrf52840Hi, I&#39;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&#39;ve seen similar questionsen-USTelligent Community 13Fri, 23 Aug 2019 11:26:20 GMThttps://devzone.nordicsemi.com/thread/205868?ContentTypeID=1Fri, 23 Aug 2019 11:26:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c5dad601-9c00-4315-a727-275b2712665aJoakim Jakobsen<p>Hi.&nbsp;</p> <p>Yes, w<span>e have a software implementation of Opus compression in our&nbsp;</span><a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sr3nrf52.firmware/audio.html?cp=10_3_1_2_1_0#audio_functionality">Smart Remote 3 reference design</a><span>, but this does not use decompression. Note that compressing/decompressing audio in real-time in software can be very CPU demanding, especially with higher bitrates.</span></p> <p><span>You can download the FW here:&nbsp;<a href="http://www.nordicsemi.com/eng/Products/Bluetooth-low-energy/nRFready-Smart-Remote-3-for-nRF52-Series#Downloads">http://www.nordicsemi.com/eng/Products/Bluetooth-low-energy/nRFready-Smart-Remote-3-for-nRF52-Series#Downloads</a>&nbsp; You do not need to buy the Smart Remote to download the FW.</span></p> <p><span>More information can be found in these previous threads:&nbsp;<br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/33414/opus-decoder">https://devzone.nordicsemi.com/f/nordic-q-a/33414/opus-decoder</a><br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/35646/sr3-52-fw-v1-2-opus-migrate-and-anr/137725#137725">https://devzone.nordicsemi.com/f/nordic-q-a/35646/sr3-52-fw-v1-2-opus-migrate-and-anr/137725#137725</a>&nbsp;<br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/48219/for-opus-applications-is-an-audio-dac-chip-required">https://devzone.nordicsemi.com/f/nordic-q-a/48219/for-opus-applications-is-an-audio-dac-chip-required</a>&nbsp;<br /><br /></span></p> <p><span></span></p> <p><span>Best regards,&nbsp;<br />Joakim</span></p><div style="clear:both;"></div>