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[ubuntu] HDMI Loses Audio

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linux-howto

http://ubuntuforums.org – Hi. I've done some poking around and while I found some threads with HDMI audio issues, none seemed exactly like what I'm experiencing, so I wanted to ask for some help. My system is a: MythTV Box running 12.04 / .25myth. It's connected to an HDMI receiver that then transmits both audio and video to a 47" 1080p tv. On bootup and while watching tv, all works normally - correct resolution, sound & video working properly. Problems:In the event that the receiver is turned off, turning receiver back on results in video but no audio On occassion, screen resolution will change from 1 (Hardware)