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Old 11th July 2009, 07:48 AM
Razorblade Offline
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Join Date: Mar 2005
Location: Lake Constance, Germany
Age: 37
Posts: 115
No sound via HDMI to Yamaha A/V receiver

I have a Yamaha RX-V465 A/V receiver connected to my TV via HDMI. The Yamaha does have a HDMI repeater for splitting up audio and video.
When I connect my Fedora 10 box directly to the TV via HDMI there's video and sound. So my setup seems to be ok.
But as soon as I connect my Fedora box to the A/V receiver via HDMI I do not get any sound towards the receiver. The receiver tells me that there's no audio input signal. But video is working fine then.

mplayer -ao alsa:device=hdmi putsomemp3here runs fine without errors.

Yamaha support says this might be a hardware related issue and I should apply the latest firmware for my HDMI equipment.
It's not a hardware related issue because when I boot windows on this box, I have video and sound via HDMI to my Yamaha.

It's an ASUS M3N78-VM with the latest NVIDIA drivers (185 I think) from the NVIDIA page.
Kernel is:
I can not upgrade to latest kernel because HDMI audio is not working then.
  • Razor-Box: AMD Phenom II 945, 4096MB DDR3, MSI (AMD 870), AMD 4850 PCI-E, Fedora_13_x64
  • Server-Box: AMD Sempron 140, 2048MB DDR2, ASROCK (NVIDIA chipset), onboard graphics, CentOS 5.5 x64
  • Myth-Box: AMD X2 4850e, 4GB DDR2, ASUS M3N78-VM, MythDora 10 x64
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a or v, hdmi, receiver, sound, yamaha

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