Sound via hdmi and some streams doesn´t work anymore after sudo apt -get update/upgrade

[Kannick]

I Installed RaspberryCast on JessieLite and it worked like a spell with sound via a usb interface.
After Upgrading the system with sudo apt -get update/upgrade, the sound comes via hdmi and some internet streams like for example the ones from "Arte Mediathek" doesn´t work anymore. (can´t find a error log. It´s just nothing happenig when i share the link with my android phone).
The same symptomes appear with the also installed raspicast.
This already happened to times after a upgrade to different versions of JessieLite.