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About Michael Chandler-Page
Michael Chandler-Page is a systems engineer at Cirrus Logic where he leads engineering product definition for the company’s latest Pro Audio family of converters. His career in the semiconductor industry includes a combined 12 years at Cirrus Logic and Wolfson Microelectronics (which was acquired by Cirrus Logic in 2014). Prior to joining Wolfson, Michael worked at Soundcraft, Sony Pro Audio Lab and Peavey Electronics, where he developed professional and commercial audio products, as well as conceiving and developing the AES50 pro audio networking technology. Michael earned a Master of Engineering degree in electrical and electronic engineering at Loughborough University, UK.

All items written by Michael Chandler-Page
No Zipper, No Pop! How ADC Hybrid Gain Control Can Enable Smooth, Pop-Free Microphone Preamp Gain Changes
November 29, 2023 by Michael Chandler-Page

No Zipper, No Pop! How ADC Hybrid Gain Control Can Enable Smooth, Pop-Free Microphone Preamp Gain Changes

This article explains the new hybrid gain control (HGC) feature of Cirrus Logic’s latest CS530xP family of Pro Audio ADCs and how these can eliminate noise problems when changing gain on digitally controlled mic preamps. This solution enables fine-resolution mic preamp gain control, with the feel of a traditional potentiometer but without audible pops or zipper noise by integrating control into the ADC, together with zero-cross detection and precisely synchronized digital gain control.
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