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Microphone Feedback AutoControl

SigmaDSP & SigmaStudio JMJEngineeringConsulting Jun 25, 2020 00:00 1 replies Original on forum ↗
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JMJEngineeringConsulting Question
Jun 25, 2020 00:00

Is it possible to do microphone autofeedback control in ADAU1701? By this, I mean detection of onset of acoustic feedback and suppression with notch filter. Are there any pre-built blocks in SigmaStudio that would accomplish this?

Thanks!

Audio Signal Processors

SigmaDSP Audio Processors

adau1701

DaveThib Reply
Mar 14, 2022 00:00

Hello

This post will help you. There are two different approaches described with links to other posts.

(+) How to determine which frequency band has highest magnitude - Q&A - SigmaDSP Processors and SigmaStudio Development Tool - EngineerZone (analog.com)

Dave T