technical sketch

sketch:

     |B |               |S | Flask web server, Header[Werkzeug/2.0.2 Python/3.10.1]
     |r |listen         |e |-------> starRadio
     |o |------->   <-- |r |
     |w |GhettoRecorder |v |-------> planetRadio
     |s |--->    <----- |e |
     |e |               |r |-------> satteliteRadio
     |r |               |  |
     net: localhost     net: internet
     CORS: accept       CORS: deny
     audioNode: 1,-1    audioNode: 0, 0
     JavaScript,CSS     Python,SQL

Cross-Origin Resource Sharing mechanism (CORS)
i.a. prevents a Browser from analysing audio from internet