audio analyser - indicate when people talk

[chusi]

the guys from https://mornin.fm/ did quite a nice job:

source code: https://github.com/fox-one/mornin.fm/blob/master/src/services/rpc.ts

also note that they seem to be using the same stack nuxt/vuetify/... and might solve some of the same problems (maybe get some inspiration?)

this might be an option to only show the local audio visuals, to show them for every speaker, something simpler might be good