Audio application echo canceller LC823450 from ON Semiconductor. Link here (PDF)
This application note describes the performance of Echo canceller of LC823450 Series. The customer can improve the sound quality of hands free communication by using this canceller. Its function can be used for various products such as Wireless headset. Earbads or other voice communication products.
from Dangerous Prototypes https://ift.tt/2pUICR1