I experience this issue with Pandora and the DirecTV Gemini streaming device. The sound from the Pandora app on the Gemini device will stop working. I tried exiting the app or logging off my account on the device and restarting the app to no avail.  When I exit the app and return to Gemini TV streaming, the sound returns. I have tried various other attempts but to no avail. My only consistent solution is to unplug the Gemini device, and the sound returns to the Pandora app. ... View more