Noise activation on Indoor Google wired Nest Camera

[amitro]

Hi, I have an 2nd Gen Indoor wired camera but have not subscribed to Nest aware. The camera works fine when activated by motion but does not activate with sound alone e.g. conversation, children voices, loud clap, coughing etc 

Can you please advise if the camera can activate on sound alone (i.e. with no motion. and if so what settings must I have selected for this to work in my google Home app on iphone. 

[MplsCustomer]

@amitro 

Unfortunately, for all 2nd gen Google Nest cameras and doorbells, we can only get sound notifications for carbon monoxide detector alarms and smoke detector alarms, under Events | Heard events.