ADG888: Decoupling audio ground from power GND

Dear all,

the following schematic is for processing signals from/to different audio sources.

It uses a couple of ADG888 for the audio switching function, and a simple debouncer (MAX6816) to have a better control.

The question: is it better to keep the audio ground line separated from the main power supply GND ? Or is it mandatory?

Thank you for your idea!

M

audioswitch2.pdf
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