Google Nest Community

I've been using the Home app on my phone at my house to stream a feed from a nest camera on the same network. It starts streaming using Wifi, but will randomly switch to mobile data, cheweing though my plan data. It does this despite installing a loc...

The ambient noise in the room is such that the microphone cuts in and out when streaming. It would be nice if the mic were always on, or turned on for louder noises. Can this be adjusted?