Ubuntu 13.04 Hdmi Audio Problem

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Sound problems with HDMI connection - Ask Ubuntu

https://askubuntu.com/questions/46582/sound-problems-with-hdmi-connection#:~:text=Try%20looking%20in%20sound%20preferences%20%28click%20the%20volume,contain%20a%20dropdown%2C%20where%20you%20should%20see%20HDMI.

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sound - No HDMI audio in 13.04 - Ask Ubuntu

https://askubuntu.com/questions/291353/no-hdmi-audio-in-13-04

I have just upgraded from 12.10 to 13.04 and now everything works perfectly, except the fact that I have no audio via HDMI. I am using a Samsung tv-monitor connected via HDMI to my video card Asus EAH4670/DI/1GD3 (which has a Radeon HD 4670 gpu on it), installed phisically into my motherboard which is a MSI 770-C45.

ati - No sound through HDMI out, 13.04 - Ask Ubuntu

https://askubuntu.com/questions/285920/no-sound-through-hdmi-out-13-04

I just installed Ubuntu 13.04 on my media PC, and I successfully installed Catalyst 13.4 and everything works great except I get no sound out of HDMI out. In the sound dash there are 3 options but none make any difference: there is digital output (S/PDIF),headphones, and analogue output. Any help is appreciated. Thank you in advance.

Ubuntu 13.04 not detect the HDMI sound output

https://www.py4u.net/discuss/1120968

I don't have your hardware to verify (I can tell you it works fine on the previous hardware generation) this but I know my NVidia HDMI audio is broken on 13.04, the same fix may work for you this issues should be fixed in the next kernel update, in the meantime the mainline kernel (either 3.9rc8 or 3.8.8) should fix it Manual way:

No sound through HDMI since 13.04 : Ubuntu

https://www.reddit.com/r/Ubuntu/comments/1d5i7d/no_sound_through_hdmi_since_1304/

No sound through HDMI since 13.04. Since I upgraded from 12.10 to 13.04 I can't choose HDMI in the audio settings cause it's not there. I have a nVidia gtx 465 and the 310.44 driver. The problem is the same with 319.xx and nouveau. aplay -l **** Liste der Hardware-Geräte (PLAYBACK) **** Karte 0: NVidia [HDA NVidia], Gerät 0: ALC883 Analog ...

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