In professional audio designs, digitally controlled microphone preamp gain can be a challenging integration point. Many systems combine stepped analog gain with a matching digital adjustment to create the experience of smooth, continuous control. The timing of those gain changes matters. When the analog and digital steps are not precisely coordinated, audible transients can occur. During rapid gain adjustments, these transients may become noticeable as pop or zipper noise. Read more [Picture source: TOP-electronics on linkedin.com]
